LTC3309B | 3.3V to 1.8V at 6A, 6.6MHz Low EMI Buck Regulator in a 0.47cm2 Solution
Analog Devices Inc.The LTC3309B is a very small, high efficiency, low noise, monolithic synchronous 6A step-down DC/DC converter operating from a 2.25V to 5.5V input supply. Using constant frequency, peak current mode control at switching frequencies 3MHz-10MHz and minimum on-time as low as 22ns, this regulator achieves fast transient response with small external components. Silent Switcher architecture minimizes EMI emissions. The LTC3309B operates in forced continuous or pulse skip mode for low noise, or the low-ripple Burst Mode operation for high efficiency at light loads, ideal for battery-powered systems. The IC regulates output voltages as low as 500mV. Other features include output over-voltage protection, short-circuit protection, thermal shut-down, clock synchronization, and up to 100% duty cycle operation for low dropout. The device is available in a low profile 12-lead 2mm ? 2mm נ0.74mm LQFN package with exposed pad for low thermal resistance.APPLICATIONSOptical Networking, Servers, Telecom Automotive, Industrial, CommunicationsDistributed DC Power Systems (POL) FPGA, ASIC, ?P Core Supplies
DC3080A-KIT
Analog Devices Inc.The LTC4126-ADJ is a low-power wireless single-cell Li-Ion battery charger with an integrated step-down DC/DC regulator. The step-down regulator is a low-noise multimode charge pump which is powered from the battery and provides a regulated 1.2V at the output. The switching frequency is set to either 50kHz or 75kHz depending on the mode to keep any switching noise out of the audible range.The constant-current constant-voltage Li-Ion battery charger has automatic recharge, automatic termination by safety timer, and battery temperature monitoring via an NTC pin. Charge current is programmable from 1mA to 50mA via an external resistor. Undervoltage protection disconnects the battery from all loads when the battery voltage is below 3.0V.The small package and minimal external component count make the LTC4126-ADJ and its variants suitable for hearing aid applications and other low power portable devices. See the chart in the data sheet.APPLICATIONSHearing AidsLow Power Li-Ion Powered DevicesWireless HeadsetsIoT Wearables
DC3082A-B
Analog Devices Inc.The LTM4681 is a quad 31.25A or single 125A stepdown??Module? (power module) DC/DC regulator featuring?remote configurability and telemetry-monitoring?of power management parameters over PMBus. The?LTM4681 is comprised of digitally programmable analog?control loops, precision mixed-signal circuitry, EEPROM,?power MOSFETs, inductors and supporting components.The LTM4681?s 2-wire serial interface allows outputs?to be margined, tuned and ramped up and down at programmable?slew rates with sequencing delay times. True input current sense, output currents and voltages, output?power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not?required. At start-up, output voltages, switching frequency,?and channel phase angle assignments can be set by pinstrapping?resistors. The LTpowerPlay? GUI and DC1613?USB-to-PMBus converter and demo kits are available.?The LTM4681 is offered in a 15mm ? 22mm ? 8.17mm?BGA package available with SnPb or RoHS compliant?terminal finish.APPLICATIONS Multi-Rail Processor Power, Configurable Core Power
LTM4681 Demo Board | PolyPhase Single Output Step-Down µModule Regulator with Digital PSM: 4 × LTM4681 at 480A
Analog Devices Inc.Demonstration circuit DC3082A-C features the LTM4681: the wide input and output voltage range, high efficiency and power density, high current PolyPhase® single output DC/DC step-down μModule® regulator with digital power system management. DC3082A-C is configured as 16-phase single output using 4× LTM4681. The factory default input voltage is 12V typical, output voltage is 1V at 480A typical or 500A peak with recommended 400LFM forced airflow. The demo board output voltages can be adjusted from 0.6V to 1V. Programming the output voltages to any value that is greater than 1V, requires derating output current based on thermal derating curves provided in the data sheet of the LTM4681. Heat sink or other appropriate electronic cooling systems can also be used in conjunction with forced airflow to further optimize the output power when the output is on and loaded with maximum output current. The factory default switching frequency is preset at 350kHz typical. DC3082A-C comes with PMBus interface and digital power system management functions. An onboard 12-pin connector is available for users to connect the dongle DC1613A to the demo board, provides an easy way to communicate and program the part using LTpowerPlay® software development tool. LTpowerPlay software and I2C/PMBus/SMBus dongle DC1613A allows users to monitor real time telemetry of input and output voltages, input and output current, switching frequency, internal IC die temperatures, power stage component temperatures and fault logs. Programmable parameters include device address, output voltages, control loop compensation, switching frequency, phase interleaving, DCM or CCM mode of operation, digital soft-start, sequencing and time based shutdown, fault responses to input and output overvoltage, output overcurrent, IC die and power component overtemperature.
The LTM4681 is available in a thermally enhanced, low profile 330-Lead (15mm × 22mm × 8.17mm) BGA package. It is recommended to read the data sheet and the demo manual of LTM4681 prior to use or making any hardware changes to DC3082A-C.
LTpowerPlay software can be downloaded here.
USB to PMBus Controller Dongle DC1613A for use with LTpowerPlay is available here.
LTC2980-24 | 24-Channel Power Supply System Featuring the LTC2980-24 Power System Manager
Analog Devices Inc.The DC3097A-KIT is a demonstration system for the LTC2980-24 for the 24-channel I2C/SMBus/PMBus Power System Manager (PSM) with EEPROM. It consists of 4 circuit boards, namely one DC3094A board and three DC1361B boards. The LTC2980-24 monitors and controls 24 power supply rails which are provided by three DC1361B power supply boards that plug into the DC3094A. The system demonstrates the ability of the LTC2980-24 to sequence, trim, margin, supervise, monitor, and log faults for the twenty-four power supplies. Together these four boards form a sophisticated, 24-channel, digitally programmable and digitally managed power supply system.
The board set contains twenty-four independent power supply rails, by having the three DC1361B boards. All 24 rails are based on LTM4603 DC/DC μModule® switching regulators. The DC1361B board is pre-configured with output voltages ranging from 0.8V to 3.3V. The power supply channels may be reconfigured to different output voltages by changing the feedback resistors. The LTC2980-24 can be configured to monitor current on odd numbered channels. The DC1361B board has been designed to allow the user to enable this feature on Channel 7. In this configuration, Channel 7 measures the current on Channel 6’s 1V output.
The LTpowerPlay® graphical user interface (GUI) supports this demonstration system and enables complete control of all the features of the LTC2980-24. Together, the LTpowerPlay software and DC3094A hardware system create a powerful development environment for designing and testing configuration settings of the LTC2980-24. LTpowerPlay stores these settings in the LTC2980-24 internal EEPROM or in a project file. The software displays all the configuration settings and real time measurements from the Power System Management IC. Telemetry allows easy access and decoding of the fault log created by the LTC2980-24. The board comes pre-programmed with the EEPROM values appropriate for the twenty-four power supply rails. Just plug and play!
Order preprogrammed devices from Analog Devices Express (ADX) using LTpowerPlay:
www.analog.com/programming
The DC3097A-KIT demo boards can be powered by an external power supply, such as a +12VDC supply. Communication with the software is provided through the DC1613 USB-to-I2C/SMBus/PMBus Controller. The following items are required:
+12VDC Power Supply
USB-to-I2C/SMBus/PMBus Controller (DC1613)
LTpowerPlay Software
DC3122A
Analog Devices Inc.The LTC3307A is a very small, high efficiency, low noise, monolithic synchronous 3A step-down DC/DC converter operating from a 2.25V to 5.5V input supply. Using constant frequency, peak current mode control at switching frequencies 1MHz to 3MHz and minimum on-time as low as 22ns, this regulator achieves fast transient response with small external components. Silent Switcher architecture minimizes EMI emissions.The LTC3307A operates in forced continuous or pulse skip mode for low noise, or low-ripple Burst Mode operation for high efficiency at light loads, ideal for battery-powered systems. The IC regulates output voltages as low as 500mV. Other features include output overvoltage protection, short-circuit protection, thermal shutdown, clock synchronization, and up to 100% duty cycle operation for low dropout. The device is available in a low profile 12-lead 2mm ? 2mm ? 0.74mm LQFN package with exposed pad for low thermal resistance.APPLICATIONS Optical Networking, Servers, Telecom Automotive, Industrial, Communications Distributed DC Power Systems (POL) FPGA, ASIC, ?P Core Supplies Battery Operated Systems
DC3129A-KIT
Analog Devices Inc.The LTC5597 is a high accuracy RMS power detector that provides a very wide RF input bandwidth, from 100MHz up to 70GHz. This makes the device suitable for a wide range of RF and microwave applications, such as point-to-point microwave links, instrumentation and power control applications. The DC output voltage of the detector is an accurate representation of the average signal power applied to the RF input. The response is linear-in-dB with 28.5mV/dB logarithmic slope over a 35dB dynamic range with typically better than ?1dB accuracy. The detector is particularly suited for measurement of waveforms with crest factor (CF) as high as 12dB, and waveforms that exhibit a significant variation of the crest factor during measurement. To achieve higher accuracy and lower output ripple, the averaging bandwidth can be externally adjusted by a capacitor connected between the FLTR and OUT pins. The enable interface switches the device between active measurement mode and a low power shutdown mode.Applications Point-to-Point Microwave Links SATCOM Instrumentation and Measurement Equipment Military Radios 5G, LTE, WiFi, Wireless Networks RMS Power Measurement Receive and Transmit Gain Control RF PA Transmit Power Control
EV1HMC539ALP3
Analog Devices Inc.The HMC539ALP3/539ALP3E is a broadband5-bit GaAs IC digital attenuator in a low cost leadless surface mount package. This single positive control line per bit digital attenuator utilizes an offchip AC ground capacitor for near DC operation,making it suitable for a wide variety of RF and IFapplications. Covering DC to 4 GHz, the insertion loss is less than 0.7 dB typical. The attenuatorbit values are 0.25 (LSB), 0.5, 1, 2, and 4 dB for atotal attenuation of 7.75 dB. Attenuation accuracy isexcellent at ? 0.05 dB typical step error. The attenu-ator also features a high IIP3 of +62 dBm. Five TTL/CMOS control inputs are used to select each attenuation state. A single Vdd bias of +3V to +5V is required.Applications Cellular infrastructure ISM, MMDS, WLAN, WiMAX, WiBro Microwave radio and VSAT Test equipment and sensors
EV1HMC540SLP3
Analog Devices Inc.The HMC540SLP3E is a broadband 4-bit Silicon IC digital attenuator in a low cost leadless surface mount package. This single positive control line per bit digital attenuator utilizes off chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. Covering 0.1 to 8 GHz, the insertion loss is less than 1 dB typical. The attenuator bit values are 1 (LSB), 2, 4 and 8 dB for a total attenuation of 15 dB. Attenuation accuracy is excellent at ? 0.2 dB typical step error. The attenuator also features a IIP3 of +56dBm. Four TTL/CMOS control inputs are used to select each attenuation state. It can operate with a single Vdd ranging from +3.3V to 5V.APPLICATIONS Cellular Infrastructure ISM, MMDS, WLAN, WiMAX, WiBro Microwave Radio & VSAT Test Equipment and Sensors
EV1HMC574AMS8
Analog Devices Inc.The HMC574AMS8E is low-cost SPDT switchin 8-lead MSOP packages for use in transmit/receive applications which requires very lowdistortion at high incident power levels. Thedevice can control signals from DC to 3 GHz andis especially suited for Cellular/3G infrastructure,WiMAX and WiBro applications with only 0.3 dBtypical insertion loss. The design provides 5 wattpower handling performance and +63 dBm thirdorder intercept at +8 Volt bias. RF1 and RF2 arereflective shorts when ?Off.?Applications Cellular/3G infrastructure Private mobile radio handsets WLAN, WiMAX and WiBro Automotive telematics Test equipment
EV1HMC618ALP3
Analog Devices Inc.The HMC618ALP3E is a GaAs pHEMT MMIC Low Noise Amplifier that is ideal for Cellular/3G and LTE/WiMAX/4G basestation front-end receivers operating between 1.2 - 2.2 GHz. The amplifier has been optimized to provide 0.75 dB noise figure, 19 dB gain and +36 dBm output IP3 from a single supply of +5V. Input and output return losses are excellent and the LNA requires minimal external matching and bias decoupling components. The HMC618ALP3E shares the same package and pinout with the HMC617LP3E 0.55 - 1.2 GHz LNA. The HMC618ALP3E can be biased with +3V to +5V and features an externally adjustable supply current which allows the designer to tailor the linearity performance of the LNA for each application. The HMC618ALP3E offers improved noise figure versus the previously released HMC375LP3(E) and the HMC382LP3(E).Applications Cellular/3G and LTE/WiMAX/4G BTS & Infrastructure Repeaters and Femto Cells Public Safety Radio
EV1HMC641ALC4
Analog Devices Inc.The HMC641ALC4 is a broadband non-reflective GaAs pHEMT SP4T switch in a compact 4x4 mm ceramic package. Covering DC to 20 GHz, this switch offers high isolation, low insertion loss and on-chip termination of isolated ports. This switch also includes an on board binary decoder circuit which reduces the number of required logic control lines from four to two. The HMC641ALC4 is controlled with 0/ -5V logic, exhibits fast switching speed and consumes much less DC current than pin diode based solutions.APPLICATIONS Telecom Infrastructure Microwave Radio & VSAT Military & Space Hybrids Test Instrumentation SATCOM & Sensors
EV1HMC7357LP5G
Analog Devices Inc.The HMC7357 is a three-stage GaAs pHEMT MMIC Medium Power Amplifier that operates between 5.5 and 8.5 GHz. The amplifier provides 29 dB of gain and +35 dBm of saturated output power at 34% PAE from a +8V supply. With an excellent Output IP3 of +41.5 dBm, the HMC7357 is ideal for linear applications such as high capacity point-to-point and point-to-multi-point radios or VSAT/SATCOM applications demanding +35 dBm of efficient saturated output power. The RF I/Os are internally matched to 50 Ohms for ease of use. The HMC7357 is packaged in a leadless 5x5 mm plastic surface mount package and is compatible with surface mount manufacturing techniques.Applications Point-to-Point Radios Point-to-Multi-Point Radios VSAT & SATCOM
EV1HMC7885FH18
Analog Devices Inc.The HMC7885 is a 32 W gallium nitride (GaN), monolithicmicrowave integrated circuit (MMIC) power amplifier (PA)module that operates between 2 GHz and 6 GHz, and is providedin an 18-lead hermetically sealed module. The amplifier typicallyprovides 21 dB of small signal gain and 45 dBm of saturated radiofrequency (RF) output power. The amplifier draws 2200 mA ofquiescent current (IDD) from a 28 V dc supply. The RF input andoutput are dc blocked and matched to 50 ? for ease of use.Applications Test and measurement equipment Communications Electronic warfare (EW) Military Traveling wave tube (TWT) replacements SATCOM Commercial and military radars
EV1HMC797APM5
Analog Devices Inc.The HMC797APM5E is a GaAs MMIC pHEMT Distributed Power Amplifier which operates between DC and 22 GHz. The amplifier provides 15 dB of gain, +29 dBm of output power at 1 dB gain compression, +31 dBm of saturated output power, and 25% PAE while requiring 400 mA from a +10 V supply. With up to +41 dBm of output IP3, the HMC797APM5E is ideal for high linearity applications in military and space as well as test equipment where high order modulations are used. This versatile PA exhibits a positive gain slope from 2 to 20 GHz making it ideal for EW, ECM, Radar and test equipment applications. The HMC797APM5E amplifier I/Os are internally matched to 50 ? facilitating integration into mutli-chip-modules (MCMs), is packaged in a leadless QFN 5x5 mm surface mount package, and requires no external matching components.Applications Test Instrumentation Military & Space Fiber Optics
EV1HMC802ALP3
Analog Devices Inc.The HMC802ALP3E is a broadband bidirectional 1-bitGaAs IC digital attenuator in a low cost leadless sur-face mount package. This single positive control linedigital attenuator utilizes off chip AC ground capac-itors for near DC operation, making it suitable for awide variety of RF and IF applications. Covering DCto 10 GHz, the insertion loss is less than 3 dB typicaland attenuation accuracy is excellent at ?0.6 dB typ-ical. The attenuator also features a high IIP3 of +55dBm. One TTL/CMOS control input is used to selectthe attenuation state and a single Vdd bias of +5V isrequired. Applications Test equipment and sensors ISM, MMDS, WLAN,?WiMAX, WiBro Microwave radio & VSAT Cellular infrastructure
EV1HMC8205BF10
Analog Devices Inc.The HMC8205BF10 is a gallium nitride (GaN) broadband power amplifier delivering 45.5 dBm (35 W) with 38% power added efficiency (PAE) across an instantaneous bandwidth of 0.3 GHz to 6 GHz. No external matching is required to achieve full band operation. Additionally, no external inductor is required to bias the amplifier. Also, dc blocking capacitors for the RFIN and RFOUT pins are integrated into the HMC8205BF10.The HMC8205BF10 is ideal for pulsed or continuous wave(CW) applications, such as military jammers, wirelessinfrastructure, radar, and general-purpose amplification.The HMC8205BF10 amplifier is a 10-lead ceramic leaded chip carrier (LDCC).The HMC8205BCHIPS is a gallium nitride (GaN), broadbandpower amplifier that delivers 45.5 dBm (35 W) with 40% poweradded efficiency (PAE) across an instantaneous bandwidth of0.4 GHz to 6 GHz. No external matching is required to achievefull band operation. No external inductor is required to bias theamplifier. In addition, dc blocking capacitors for the RFIN andRFOUT pins are integrated into the HMC8205BCHIPS.The HMC8205BCHIPS is ideal for pulsed or continuous wave(CW) applications, such as military jammers, wirelessinfrastructure, radar, and general-purpose amplification.APPLICATIONS Military jammers Commercial and military radar Power amplifier stage for wireless infrastructure? Test and measurement equipment
EV1HMC832ALP6G
Analog Devices Inc.The HMC832A is a 3.3 V, high performance, wideband, fractional-N, phase-locked loop (PLL) that features an integrated voltage controlled oscillator (VCO) with a fundamental frequency of 1500 MHz to 3000 MHz and an integrated VCO output divider (divide by 1, 2, 4, 6, ? 62) that enables the HMC832A to generate continuous frequencies from 25 MHz to 3000 MHz. The integrated phase detector (PD) and ?-? modulator, capable of operating at up to 100 MHz, permit wider loop bandwidths and faster frequency tuning with excellent spectral performance.Industry leading phase noise and spurious performance, across all frequencies, enable the HMC832A to minimize blocker effects, and to improve receiver sensitivity and transmitter spectral purity. A low noise floor (?160 dBc/Hz) eliminates any contribution to modulator/mixer noise floor in transmitter applications.The HMC832A is footprint compatible to the market leading HMC830 PLL with an integrated VCO. It features 3.3 V supply and an innovative programmable performance technology that enables the HMC832A to tailor current consumption and corresponding noise floor performance to individual applications by selecting either a low current consumption mode or a high performance mode for an improved noise floor performance.Additional features of the HMC832A include 12 dB of RF output gain control in 1 dB steps; an output mute function to automatically mute the output during frequency changes when the device is not locked; selectable output return loss; programmable differential or single-ended outputs, with the ability to select either output in single-ended mode; and a ?-? modulator exact frequency mode that enables users to generate output frequencies with 0 Hz frequency error; and a register configurable 3.3 V or 1.8 V serial port interface (SPI).Applications Cellular infrastructure Microwave radios WiMax, WiFi Communications test equipment CATV equipment DDS replacement Military Tunable reference sources for spurious-free performance
EV1HMC8415LP6G
Analog Devices Inc.The HMC8415LP6GE is a gallium nitride (GaN), power amplifier, delivering 40 W (46 dBm) with more than 37.5% power added efficiency (PAE) across a bandwidth of 9 GHz to 10.5 GHz.The HMC8415LP6GE is ideal for pulsed applications, such as wireless weather, marine, and military radar applications.APPLICATIONS Weather radars Marine radars Military radars
EV1HMC8500PM5
Analog Devices Inc.The HMC8500PM5E is a gallium nitride (GaN), broadbandpower amplifier delivering 10 W (40 dBm), typical, with up to 55% power added efficiency (PAE) across an instantaneousbandwidth of 0.01 GHz to 2.8 GHz, at an input power of 30 dBm. The typical gain flatness is 3 dB at small signal levels.The HMC8500PM5E is ideal for pulsed or continuous wave(CW) applications, such as wireless infrastructure, radars,public mobile radios, and general-purpose amplification.The HMC8500PM5E amplifier is externally tuned using lowcost, surface-mount components and is available in a compactLFCSP package.Note that, throughout this data sheet, multifunction pins, such as RFIN/VGG, are referred to either by the entire pin name or by a single function of the pin, for example, RFIN, when only that function is relevantAPPLICATIONS Extended battery operation for public mobile radios Power amplifier stage for wireless infrastructures Test and measurement equipment Commercial and military radars General-purpose transmitter amplification
