The ADP1706?/ ADP1707 / ADP1708?are CMOS, low dropout linear regulators that operate from 2.5 V to 5.5 V and provide up to 1 A of output current. Using an advanced proprietary architecture, they provide high power supply rejection and achieve excellent line and load transient response with a small 4.7 ?F ceramic output capacitor.The ADP1706 / ADP1707 are available in 16 fixed output volt-age options. The ADP1708 is available in an adjustable version, which allows output voltages that range from 0.8 V to 5.0 V via an external divider. The ADP1706 allows an external soft start capacitor to be connected to program the start-up time; the ADP1707 and ADP1708 contain internal soft start capacitors that give a typical start-up time of 100 ?s. The ADP1707 includes a tracking feature that allows the output to follow an external voltage rail or reference.The ADP1706 / ADP1707 / ADP1708 are available in an 8-lead, exposed paddle SOIC package and an 8-lead, 3 mm ? 3 mm exposed paddle LFCSP, making them not only very compact solutions but also providing excellent thermal performance for applications requiring up to 1 A of output current in a small, low profile footprint.APPLICATIONS Notebook computers Memory components Telecommunications equipment Network equipment DSP/FPGA/microprocessor supplies Instrumentation equipment/data acquisition systems

The ADP1710/ADP1711 are low dropout linear regulators that operate from 2.5 V to 5.5 V and provide up to 150 mA of output current. Utilizing a novel scaling architecture, ground current drawn is a very low 40 ?A, when driving a 100 ?A load, making the ADP1710/ADP1711 ideal for battery-operated portable equipment.The ADP1710 and the ADP1711 are each available in sixteen fixed output voltage options. The ADP1710 is also available in an adjustable version, which allows output voltages that range from 0.8 V to 5 V via an external divider. The ADP1711 allows for a reference bypass capacitor to be connected, which reduces output voltage noise and improves power supply rejection. The ADP1710/ADP1711 are optimized for stable operation with small 1 ?F ceramic output capacitors, allowing for good transient performance while occupying minimal board space. An enable pin controls the output voltage on both devices. There is also an under-voltage lockout circuit on both devices, which disables the regulator if IN drops below a minimum threshold. An internal soft start gives a typical start-up time of 80 ?s. Short-circuit protection and thermal overload protection circuits prevent damage to the devices in adverse conditions. Both the ADP1710 and the ADP1711 are available in tiny 5 leadTSOT packages, for the smallest footprint solution to all your power needs.ApplicationsMobile phones Digital camera and audio devices Portable and battery-powered equipment Post dc-dc regulation

The ADP1715 / ADP1716?are low dropout, CMOS linear regulators that operate from 2.5 V to 5.5 V and provide up to 500 mA of output current. Using an advanced proprietary architecture, they provide high power supply rejection and achieve excellent line and load transient response with just a small 2.2 ?F ceramic output capacitor.Three versions of this part are available, one with fixed output voltage options and variable soft start (ADP1715), one with adjustable output voltage and fixed soft start (ADP1715 Adjustable), and one with voltage tracking in fixed output voltage options (ADP1716). The fixed output voltage options are internally set to one of sixteen values between 0.75 V and 3.3 V; the adjustable output voltage can be set to any value between 0.8 V and 5.0 V by an external voltage divider connected from OUT to ADJ. The variable soft start uses an external capacitor at SS to control the output voltage ramp. Tracking limits the output voltage to the at-or-below voltage at the TRK pin.The ADP1715 / ADP1716 are available in 8-lead thermally enhanced MSOP packages, making them not only a very compact solution but also providing excellent thermal performance for applications requiring up to 500 mA of output current in a small, low profile footprint.APPLICATIONS Notebook computers Memory components Telecommunications equipment Network Equipment DSP/FPGA/?P supplies Instrumentation equipment/data acquisition systems

The?ADP170?/ ADP171 /?ADP172 are low voltage input, low quiescentcurrent, low-dropout (LDO) linear regulators that operate from1.6 V to 3.6 V and provide up to 300 mA of output current. Thelow 55 mV dropout voltage at 300 mA load improves efficiencyand allows operation over a wide input voltage range. The low23 ?A of quiescent current at no load makes theADP170 / ADP171 / ADP172?ideal for battery-operated portable equipment.TheADP170 is capable of 31 fixed-output voltage options, ranging from 0.8 V to 3.0 V. ADP171 is an adjustable version, which allows output voltages that range from 0.8 V to3.0 V via an external divider. The ADP170 / ADP171 areoptimized for stable operation with small 1 ?F ceramic outputcapacitors. Ideal for powering digital processors, the ADP170 / ADP171 exhibit good transient performance andoccupy minimal board space. Compared with commodity typesof LDOs, the ADP170 / ADP171 provide 20 dB to 40 dB betterpower supply rejection ratio (PSRR) at 100 kHz, making the ADP170 / ADP171 an ideal power source for analog-to-digitalconverter (ADC) mixed-signal processor systems and allowinguse of smaller size bypass capacitors. In addition, low outputnoise performance without the need for an additional bypasscapacitor further reduces printed circuit board (PCB)component count.Short-circuit protection and thermal overload protectioncircuits prevent damage in adverse conditions. TheADP170 / ADP171 are available in tiny 5-lead TSOT for thesmallest footprint solution to meet a variety of portable powerapplications.APPLICATIONS Mobile phones Digital camera and audio devices Portable and battery-powered equipment DSP/FPGA/microprocessor supplies Post dc-dc regulation

DC1593A-E: Demo Board for LTC2635-12 Quad 12-Bit I2C VOUT DACs with 10ppm/°C Reference.

Demonstration circuit DC1597A features the LTM8031, a step-down converter certified to meet the EN55022 radiated emissions standard. The LTM8031 is configured to deliver a 3.3V output from a 5V to 36V input with a 750kHz operating frequency. The wide input range supports a variety of input sources, such as automotive batteries, wall adaptors and industrial supplies. Under light load conditions, the LTM8031 enters Burst Mode® operation to deliver high efficiency over a broad current range and maintain low output ripple.

Demonstration circuit DC1601B is a PolyPhase® power supply featuring the LTM4607 power module, a complete high efficiency switching mode buck-boost power supply. The DC1601B input voltage range is from 6V to 36V and is capable of delivering high power through paralleled LTM4607 modules. The demo circuit can deliver up to 10A of output current for two paralleled modules (DC1601B-A). The DC1601B demonstrates that paralleling modules is easy and reliable. The output voltage for the board is 12V. The rated load current per module is 5A in boost mode, however current derating may be necessary under certain VIN, VOUT, frequency, and thermal conditions. An onboard external clock is provided for synchronization and interleaving of phases to minimize input and output ripple. An internal phase-locked loop allows the LTM4607 to be synchronized to an external clock within the range of 200kHz to 400kHz. The LTM4607 default switching frequency on the DC1601B is set to 300kHz through the onboard LTC6902 clock generator which interleaves the paralleled phases.

The LTC2936 is an EEPROM configurable voltage supervisor which can simultaneously monitor up to six power supply voltage inputs. Each voltage detector offers I2C programmable overvoltage/undervoltage thresholds in various ranges and increments and a dedicated comparator output.Two general purpose inputs (GPI) can be configured as programmable manual reset (MR), UV disable (UVDIS), margin (MARG), Write Protect (WP) or auxiliary comparator (AUXC) inputs. Three general purpose pins (GPIO) can be configured for input or output operation. When configured as an input, a GPIO pin can be mapped to any other GPIO configured as output. The GPIO pins can also be configured as ALERT or fault outputs. Faults can be configured with programmable delay-on-release times. Output type and polarity are also configurable.Status and history registers log faults and can be polled via the I2C interface. A fault snapshot is also backed up in internal EEPROM. All parameters are programmable via the I2C interface. Configuration EEPROM supports autonomous operation without additional software.Applications High Availability Computer Systems Network Servers Telecom Equipment Data Storage

Demonstration circuit 1608A features the LT3745, a 16-channel 50mA buck LED driver controller and serial interface. Each channel drives a single LED. Three LT3745's are connected in series with each one controlling a color in a 16 LED RGD array. Each channel has an individually adjustable 12-bit (4096-step) grayscale PWM dimming control and a 6-bit (64-step) dot correction current adjustment. The demo board input voltage range is 9V to 40V and the buck controller outputs 3.4V or 4.2V depending on the color of the LED.

DC1620A-H: Demo Board for LTC2144-14 14-Bit, 105Msps Low Power Dual ADCs.

DC1620A-L: Demo Board for LTC2140-14 14-Bit, 25Msps Low Power Dual ADCs.

The LTC4227 offers ideal diode-OR and Hot Swap? functions for two power rails by controlling external Nchannel MOSFETs. MOSFETs acting as ideal diodes replace two high power Schottky diodes and the associated heat sinks, saving power and board area. A Hot Swap control MOSFET allows a board to be safely inserted and removed from a live backplane by limiting inrush current. The supply output is also protected against short-circuit faults with a fast acting current limit and internal timed circuit breaker.The LTC4227 regulates the forward voltage drop across the MOSFETs to ensure smooth current transfer from one supply to the other without oscillation. The ideal diodes turn on quickly to reduce the load voltage droop during supply switchover. If the input supply fails or is shorted, a fast turn-off minimizes reverse-current transients.The LTC4227 allows turn-on/off control, and reports fault and power good status for the supply. Part Overcurrent Fault Start-Up Delay LTC4227-1 Latch Off 100ms LTC4227-2 Retry 100ms LTC4227-3 Latch Off 1.6ms LTC4227-4 Retry 1.6ms Applications Redundant Power Supplies and Supply Holdup Computer Systems and Servers Telecom Networks

DC1627A-B: Demo Board for the LTC4226 Wide Operating Range Dual Hot Swap Controller.

The LTC2933 is an EEPROM configurable voltage supervisor which can simultaneously monitor up to six power supply voltage inputs. Each voltage detector offers I2C programmable over/undervoltage thresholds in various ranges and increments.Two general purpose inputs (GPI) can be configured as programmable manual reset (MR), UV disable (UVDIS), margin (MARG) or auxiliary comparator (AUXC) inputs. Three general purpose pins (GPIO) can be configured for input or output operation. When configured as an input, a GPIO pin can be mapped to any other GPIO configured as output. The GPIO pins can also be configured as ALERT or fault outputs. Faults can be configured with programmable delay-on-release times. Output type and polarity are also configurable.Status and history registers log faults and can be polled via the I2C interface. A fault log snapshot is also backed up in internal EEPROM. All parameters are programmable via the I2C interface. Configuration EEPROM supports autonomous operation without additional software.Applications High Availability Computer Systems Network Servers Telecom Equipment Data Storage

The LTC4412 controls an external P-channel MOSFET to create a near ideal diode function for power switchover or load sharing. This permits highly efficient OR?ing of multiple power sources for extended battery life and low self-heating. When conducting, the voltage drop across the MOSFET is typically 20mV. For applications with a wall adapter or other auxiliary power source, the load is automatically disconnected from the battery when the auxiliary source is connected. Two or more LTC4412s may be interconnected to allow load sharing between multiple batteries or charging of multiple batteries from a single charger.The wide supply operating range supports operation from one to six Li-Ion cells in series. The low quiescent current (11?A typical) is independent of the load current. The gate driver includes an internal voltage clamp for MOSFET protection.The STAT pin can be used to enable an auxiliary P-channel MOSFET power switch when an auxiliary supply is detected. This pin may also be used to indicate to a microcontroller that an auxiliary supply is connected. The control (CTL) input enables the user to force the primary MOSFET off and the STAT pin low.The LTC4412 is available in a low profile (1mm) ThinSOT package. ? Supply Range LTC4412 2.5V ? 28V (36V max) LTC4412HV 2.5V ? 36V (40V max) Applications Cellular Phones Notebook and Handheld Computers Digital Cameras USB-Powered Peripherals Uninterruptible Power Supplies Logic Controlled Power Switch

The LTC5564 is a precision, RF power detector for applications in the 600MHz to 15GHz frequency range. The LTC5564 operates with input power levels from ?24dBm to 16dBm.A temperature compensated Schottky diode peak detector, gain-selectable operational amplifier, and fast comparator are combined in a small 16-lead 3mm ? 3mm QFN package.The RF input signal is peak detected and then sensed by both a comparator and amplifier. The comparator provides a 9ns response time to input levels exceeding VREF along with a latch enable/disable function. The gain selectable operational amplifier provides a 350V/?s slew rate and 75MHz of demodulation bandwidth to the analog output.VOUTADJ and VREF pins allow for the adjustment of VOUT offset and VCOMP switch point voltages, respectively.Applications RF Signal Presence Detectors for: 802.11a, 802.11b,?802.11g, 802.15, Optical Data Links, Wireless Data?Modems, Wireless and Cable Infrastructure 5.8GHz ISM Band Radios MMDS Microwave Links PA Power Supply Envelope Tracking Control Fast Alarm RF Power Monitor Envelope Detector Ultra-Wideband Radio Radar Detector

DC1652A: Demo Board for LTC6803-2 and -4 Multicell Battery Stack Monitor.

Demonstration Circuit DC1658A is a 20V High Efficiency Nanopower Step-Down Regulator featuring the LTC3388-1/ LTC3388-3. The LTC3388 is an ultralow quiescent current power supply designed to regulate the output voltage by means of a nanopower high efficiency synchronous buck regulator. The input current is only 720nA typical at no load while maintaining output voltage regulation, capable of supplying 50mA of load current. The LTC3388-1/ LTC3388-3 also incorporates an accurate undervoltage lockout feature to disable the converter and maintain a low quiescent current state when the input voltage falls below 2.3V. In regulation, the LTC3388-1/LTC3388-3 enter a sleep state in which both input and output quiescent currents are minimal. The buck converter turns on and off as needed to maintain regulation. An additional standby mode disables the buck switching while the  output is in regulation for short duration loads requiring low ripple.

DC1659A-A: Demo Board for the LT6109 High Side Current Sense Amplifier with Reference and Comparators.

DC1664A: Demo Board for the LTC3109 Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager.