The LTM4616 is a complete dual 2-phase 8A per channel switch mode DC/DC power regulator system in a 15mm ? 15mm surface mount LGA or BGA package. Included in the package are the switching controller, power FETs, inductor and all support components. Operating from an input voltage range of 2.7V to 5.5V, the LTM4616 supports two outputs within a voltage range of 0.6V to 5V, each set by a single external resistor. This high efficiency design delivers up to 8A continuous current (10A peak) for each output. Only bulk input and output capacitors are needed, depending on ripple requirement. The part can also be configured for a 2-phase single output at up to 16A.The low profile package enables utilization of unused space on the back side of PC boards for high density point-ofload regulation.Fault protection features include overvoltage protection, overcurrent protection and thermal shutdown. The power module is offered in space saving and thermally enhanced 15mm ? 15mm ? 2.82mm LGA and 15mm ? 15mm ? 3.42mm BGA packages. The LTM4616 is available with SnPb (BGA) or RoHS compliant terminal finish.Applications Telecom, Networking and Industrial Equipment Storage and ATCA, PCI Express Cards Battery Operated Equipment

The LTM8032 is an electromagnetic compatible (EMC) 36V, 2A DC/DC step-down ?Module? (power module) regulator designed to meet the radiated emissions requirements of EN55022. Conducted emission requirements can be met by adding standard filter components. Included in the package are the switching controller, power switches, inductor, filters and all support components. Operating over an input voltage range of 3.6V to 36V, the LTM8032 supports an output voltage range of 0.8V to 10V, and a switching frequency range of 200kHz to 2.4MHz, each set by a single resistor. Only the bulk input and output filter capacitors are needed to finish the design. The low profile package enables utilization of unused space on the bottom of PC boards for high density point of load regulation.The LTM8032 is packaged in a thermally enhanced, compact and low profile overmolded land grid array (LGA) and ball grid array (BGA) packages suitable for automated assembly by standard surface mount equipment. The LTM8032 is available with SnPb (BGA) or RoHS compliant terminal finish.Applications Automotive Battery Regulation Power for Portable Products Distributed Supply Regulation Industrial Supplies Wall Transformer Regulation

Demonstration Circuit 1394A shows how the LT3480 high voltage step-down regulator can be used with the LTC4098 USB-compatible Li-Ion battery charger to design a 2 input source battery charger circuit that also provides power to the load from the LT3480, a 5V wall adapter or the batteries based on available power. The LTC4098 interfaces with a number of ADI switching regulators to provide a high efficiency, high voltage power path. The LT3480 operates from 8V to 38V (60V transients) and provides 2A with a voltage range that is mode and load dependent.

The LTC2656 is a family of octal 16-/12-bit rail-to-rail DACs with a precision integrated reference. The DACs have built-in high performance, rail-to-rail, output buffers and are guaranteed monotonic.The LTC2656-L has a full-scale output of 2.5V with the integrated 10ppm/?C reference and operates from a single 2.7V to 5.5V supply. The LTC2656-H has a full-scale output of 4.096V with the integrated reference and operates from a 4.5V to 5.5V supply. Each DAC can also operate with an external reference, which sets the DAC full-scale output to two times the external reference voltage.These DACs communicate via a SPI/MICROWIRE? compatible 4-wire serial interface which operates at clock rates up to 50MHz. The LTC2656 incorporates a power-on reset circuit that is controlled by the PORSEL pin. If PORSEL is tied to GND the DACs reset to zero-scale. If PORSEL is tied to VCC, the DACs reset to mid-scale.ApplicationsMobile CommunicationsProcess Control and Industrial AutomationInstrumentationAutomatic Test EquipmentAutomotive

The LT1170/LT1171/LT1172 are monolithic high power switching regulators. They can be operated in all standard switching configurations including buck, boost, flyback, forward, inverting and ?Cuk.? A high current, high efficiency switch is included on the die along with all oscillator, control and protection circuitry. Integration of all functions allows the LT1170/LT1171/LT1172 to be built in a standard 5-pin TO-3 or TO-220 power package as well as the 8-pin packages (LT1172). This makes them extremely easy to use and provides ?bust proof? operation similar to that obtained with 3-pin linear regulators. The LT1170/LT1171/LT1172 operate with supply voltages from 3V to 60V, and draw only 6mA quiescent current. They can deliver load power up to 100W with no external power devices. By utilizing current-mode switching techniques, they provide excellent AC and DC load and line regulation. The LT1170/LT1171/LT1172 have many unique features not found even on the vastly more difficult to use low power control chips presently available. They use adaptive antisat switch drive to allow very wide ranging load currents with no loss in efficiency. An externally activated shutdown mode reduces total supply current to 50?A typically for standby operation.Applications Logic Supply 5V at 10A 5V Logic to ?15V Op Amp Supply Battery Upconverter Power Inverter (+ to ?) or (? to +) Fully Floating Multiple OutputsUser Note:This data sheet is only intended to provide specifications, graphs, and a general functional description of the LT1170/LT1171/LT1172. Application circuits are included to show the capability of the LT1170/LT1171/LT1172. A complete design manual (AN19) should be obtained to assist in developing new designs. This manual contains a comprehensive discussion of both the LT1070 and the external components used with it, as well as complete formulas for calculating the values of these components. The manual can also be used for the LT1170/LT1171/LT1172 by factoring in the higher frequency. A CAD design program called SwitcherCAD? is also available.

Demonstration circuit 1403A is a dual current mode PWM step-down DC/DC converter featuring the LT3692A. The demo circuit is designed for 5V and 3.3V outputs from a 7V to 36V input. The current capability of each channel is up to 3A. Though the LT3692A has over-voltage protection to 60V, the demo board is not designed to highlight this feature.

Demonstration circuit 1406A features three LT3746's, a 32-channel 20mA LED driver with buck controller and serial interface. The three LT3746’s are connected in series to control 32 OSRAM RGB LEDs stuffed on the demo board. Each IC drives a separate color. The demo board input voltage range is 9V to 40V and the LED output voltage is 4.2V for the blue and green LEDs, and 3V for the red LEDs. Each channel has an individually adjustable 12-bit (4096-step) grayscale PWM dimming control and a 6-bit (64-step) dot correction current adjustment.  Individual open/short LED and overtemperature flags are sent back during status read-back.  The evaluation software installed in a host computer communicates with the DC1406A via the interface board DC590B, an USB serial controller.

DC1417A: Demo Board for the LT6230 215MHz, Rail-to-Rail Output, 1.1nV√Hz, 3.5mA Op Amp Family.

Demonstration circuit 1428A features the dual output LT3645 step-down regulator plus linear regulator. The circuit is designed to convert a 5V to 36V (55V transients) input source to 3.3V at 500mA using the buck regulator and this output is linear regulated down to provide 2.5V at 200mA. Thus the two outputs provide 300mA (buck) and 200mA (LDO).

Demonstration circuit 1433 is an adjustable 5A linear regulator featuring the LT3070. The LT3070 is a low dropout voltage, UltraFast™ transient response linear regulator. The device supplies up to 5A of output current with a typical dropout voltage of 85mV. A 0.01μF reference bypass capacitor decreases output voltage noise to 25μVRMS. The LT3070’s high bandwidth permits the use of low ESR ceramic capacitors. Output voltage is digitally selectable in 50mV increments over a 0.8V to 1.8V range. The demo board has a 1.2V to 3V input voltage range and a 2.5V to 3.6V BIAS voltage range. A margining function allows the user to tolerance system output voltage in increments of ±1%, ±3% or ±5%. To maintain proper performance and regulation, the BIAS supply voltage must be higher than the IN supply voltage. For a given VOUT, the BIAS voltage must satisfy the following conditions: 2.2 ≤ VBIAS ≤ 3.6V and VBIAS ≥ (1.25 · VOUT + 1V). For VOUT ≤ 0.95V, the minimum bias voltage is limited to 2.2V.

Demonstration circuit 1439A is an adjustable dual monolithic step-down switching regulator with two adjustable power-on reset timers and an adjustable watchdog timer. The regulator operates off inputs up to 36V and withstands transients up to 60V. The two buck outputs are capable of generating up to 800mA each and both of them have independent RUN/SS function.

The LTC3603 is a high efficiency, monolithic synchronous step-down DC/DC converter utilizing a constant-frequency, current mode architecture. It operates from an input voltage range of 4.5V to 15V and provides an adjustable regulated output voltage from 0.6V to 14.5V while delivering up to 2.5A of output current. The internal synchronous power switch with 45m? on-resistance increases efficiency and eliminates the need for an external Schottky diode. The switching frequency can either be set by an external resistor or synchronized to an external clock. OPTI-LOOP? compensation allows the transient response to be optimized over a wide range of loads and output capacitors.The LTC3603 can be configured for either Burst Mode operation or forced continuous operation. Forced continuous operation reduces noise and RF interference, while Burst Mode operation provides the highest efficiency at light loads. In Burst Mode operation, external control of the burst clamp level allows the output voltage ripple to be adjusted according to the requirements of the application.Applications Point-of-Load Supplies Portable Instruments Communications Infrastructure

DC1455A: Demo Board for the LTC5598 5MHz to 1600MHz High Linearity Direct Quadrature Modulator.

The LTC3588-2 integrates a low-loss full-wave bridge rectifier with a high efficiency buck converter to form a complete energy harvesting solution optimized for high output impedance energy sources such as piezoelectric, solar, or magnetic transducers.An ultralow quiescent current undervoltage lockout (UVLO) mode with a 16V rising threshold enables efficient energy extraction from sources with high open circuit voltages. This energy is transferred from the input capacitor to the output via a high efficiency synchronous buck regulator. The 16V UVLO threshold also allows for input to output current multiplication through the buck regulator. The buck features a sleep state that minimizes both input and output quiescent currents while in regulation.Four output voltages of 3.45V, 4.1V, 4.5V and 5.0V are pin selectable with up to 100mA of continuous output current, and suit Li-Ion and LiFePO4 batteries as well as supercapacitors. An input protective shunt set at 20V provides overvoltage protection. Output Voltage (Switcher) UVLO Quiescent Current LTC3588-1 Selectable 1.8V, 2.5V, 3.3V or 3.6V 4.04V(Rising) 2.87V(Falling) 950nA (No Load) 450nA (UVLO) LTC3588-2 Selectable 3.45V, 4.1V, 4.5V or 5V 16V(Rising) 14V(Falling) 1,500nA (No Load) 830nA (UVLO) Applications Piezoelectric Energy Harvesting Electro-Mechanical Energy Harvesting Low Power Battery Charging Wireless HVAC Sensors Mobile Asset Tracking Tire Pressure Sensors Battery Replacement for Industrial Sensors

The LTC3620 is a high efficiency, synchronous buck regulator, suitable for very low power, very small footprint applications powered by a single Li-Ion battery.The internal synchronous switches increase efficiency and eliminate the need for external Schottky diodes. Low output voltages are easily supported by the 0.6V feedback reference voltage. The LTC3620-1 option is internally programmed to provide a 1.1V output.The LTC3620 uses a unique variable frequency architecture to minimize power loss and achieve high efficiency. The switching frequency is proportional to the load current, and an internal frequency clamp forces a minimum switching frequency at light loads to minimize noise in the audio range. The user can program the frequency of this clamp by applying an external clock to the FMIN/MODE pin.The battery status output, LOBATB, indicates when the input voltage drops below 3V. To help prevent damage to the battery, an undervoltage lockout (UVLO) circuit shuts down the part if the input voltage falls below 2.8V.The LTC3620 is available in a low profile, 2mm ? 2mm 8-lead DFN package.Applications Hearing Aids Wireless Headsets Li-Ion Cell Applications Button Cell Replacement

DC1464A: Demo Board for the LTC6412 800MHz, 31dB Range Analog-Controlled VGA.

DC1492A: Demo Board for the LTC2462 Ultra-Tiny, 16-Bit ΔΣ ADCs with 10ppm/°C Max Precision Reference.

The LTC2942 measures battery charge state, battery voltage and chip temperature in handheld PC and portable product applications. Its operating range is perfectly suited for single-cell Li-Ion batteries. A precision coulomb counter integrates current through a sense resistor between the battery?s positive terminal and the load or charger. Battery voltage and on-chip temperature are measured with an internal 14-bit No Latency ??? ADC. The three measured quantities (charge, voltage and temperature) are stored in internal registers accessible via the on-board SMBus/I2C interface.The LTC2942 features programmable high and low thresholds for all three measured quantities. If a programmed threshold is exceeded, the device communicates an alert using either the SMBus alert protocol or by setting a flag in the internal status register.The LTC2942 requires only a single low value sense resistor to set the measured current range. Integrated Sense Resistor LTC2942 No LTC2942-1 Yes Applications Low Power Handheld Products Cellular Phones MP3 Players Cameras GPS

The LTC2392-16 is a low noise, high speed 16-bit successive approximation register (SAR) ADC. Operating from a single 5V supply, the LTC2392-16 supports a large ?4.096V fully differential input range, making it ideal for high performance applications which require maximum dynamic range. The LTC2392-16 achieves ?2LSB INL max, no missing codes at 16-bits and 94dB SNR (typ). The LTC2392-16 includes a precision internal reference with a guaranteed 0.5% initial accuracy and a ?20ppm/?C (max) temperature coefficient. Fast 500ksps throughput with no cycle latency in both parallel and serial interface modes makes the LTC2392-16 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2392-16 dissipates only 110mW at 500ksps, while both nap and sleep power-down modes are provided to further reduce power during inactive periods.Applications Medical Imaging High Speed Data Acquisition Digital Signal Processing Industrial Process Control Instrumentation ATE

DC1503A-B: Demo Board for the LTM2881 Complete Isolated RS485/RS422 µModule Transceiver Plus Power.