The LTC6362 is a low power, low noise differential op amp with rail-to-rail input and output swing that has been optimized to drive low power SAR ADCs. The amplifier may be configured to buffer a fully differential input signal or convert a single-ended input signal to a differential output signal.

The LTC2368-16 is a low noise, low power, high speed 16-bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, the LTC2368-16 has a 0V to VREF pseudo-differential unipolar input range with VREF ranging from 2.5V to 5.1V. The LTC2368-16 consumes only 13.5mW and achieves ?0.75LSB INL maximum, no missing codes at 16 bits with 94.7dB SNR.The LTC2368-16 has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-chain mode. The fast 2Msps throughput with no cycle latency makes the LTC2368-16 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2368-16 automatically powers down between conversions, leading to reduced power dissipation that scales with the sampling rate.Applications Medical Imaging High Speed Data Acquisition Portable or Compact Instrumentation Industrial Process Control Low Power Battery-Operated Instrumentation ATE

DC1813A-C Demo Board for: LTC2367-16 16-Bit, 500ksps, Pseudo- Differential Unipolar SAR ADC with 94.7dB SNR LT6202 Single 100MHz, Rail-to-Rail Input and Output, Ultralow 1.9nVrtHz Noise, Low Power Op Amps LTC6655 0.25ppm Noise, Low Drift Precision References

The LTC2369-18 is a low noise, low power, high speed 18-bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, the LTC2369-18 has a 0V to VREF pseudo-differential unipolar input range with VREF ranging from 2.5V to 5.1V. The LTC2369-18 consumes only 18mW and achieves ?2.5LSB INL maximum, no missing codes at 18 bits with 96.5dB SNR.The LTC2369-18 has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-chain mode. The fast 1.6Msps throughput with no cycle latency makes the LTC2369-18 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2369-18 automatically powers down between conversions, leading to reduced power dissipation that scales with the sampling rate.Applications Medical Imaging High Speed Data Acquisition Portable or Compact Instrumentation Industrial Process Control Low Power Battery-Operated Instrumentation ATE

The LT3799-1 is an isolated flyback controller with power factor correction specifically designed for driving LEDs. The controller operates using critical conduction mode allowing the use of a small transformer. Using a novel current sensing scheme, the controller is able to deliver a well regulated current to the secondary side without using an opto-coupler. A strong gate driver is included to drive an external high voltage MOSFET. Utilizing an onboard multiplier, the LT3799-1 typically achieves power factors of 0.97. The FAULT pin provides notification of open and short LED conditions. The LT3799-1 offers improved line regulation over the LT3799, but is not designed for use with a TRIAC dimmer.The LT3799-1 uses a micropower hysteretic start-up to efficiently operate at offline input voltages, with a third winding to provide power to the part. An internal LDO provides a well regulated supply for the part?s internal circuitry and gate driver. Triac Dimmable LED Current Regulator LT3799 Yes ? 10% LT3799-1 No ? 5% Applications Offline 4W to 100W+ LED Applications High DC VIN LED Applications

Demo circuit 1818A features the LTM8001 μModule regulator that includes a 5A switching regulator and an array of five 1.1A low noise LDOs. The demo board operates from a 6V to 36V input and is configured so the switching regulator provides an output that also powers the LDOs. The LDOs in turn provide three outputs – one from a single LDO and two outputs each formed by paralleling two LDOs together.

DC1826A-A Demo Board for: LTC2389-18 18-Bit, 2.5Msps SAR ADC with Pin-Configurable Analog Input Range and 99.8dB SNR LTC6655 0.25ppm Noise, Low Drift Precision References LT6201 Dual 165MHz, Rail-to-Rail Input and Output, 0.95nV/√Hz Low Noise, Op Amp Family

The LT3795 is a DC/DC controller designed to regulate a constant-current or constant-voltage and is ideal for driving LEDs. It drives a low side external N-channel power MOSFET from an internal regulated 7.7V supply. The fixed frequency and current mode architecture result in stable operation over a wide range of supply and output voltages. Spread spectrum frequency modulation (SSFM) can be activated for improved electromagnetic compatibility (EMC) performance. The ground referred voltage FB pin serves as the input for several LED protection features, and also allows the converter to operate as a constant-voltage source. The maximum output current is set by an external resistor, and the output current amplifier has a rail-to-rail common mode range. The LT3795 also includes a separate input current sensing amplifier that is used to limit input current. The TG pin inverts and level shifts the PWM signal to drive the gate of the external PMOS. The PWM input provides LED dimming ratios of up to 3000:1, and the CTRL inputs provide additional analog dimming capability.APPLICATIONS High Power LED, High Voltage LED Battery Chargers Accurate Current Limited Voltage Regulators

The LT1786F is a fixed frequency, current mode, switching regulator that provides the control function for Cold Cathode Fluorescent Lighting (CCFL). The IC includes an efficient high current switch, an oscillator, output drive logic, control circuitry and a micropower 6-bit 100?A full-scale current output DAC. The DAC provides simple ?bits-to-lamp-current control? and communicates using the 2-wire SMBus serial interface. The LT1786F acts as an SMBus slave device using one of two selectable SMBus addresses set by the address pin ADR.On Power-up, the DAC output current assumes midrange or zero scale, depending on the logic state of the ADR pin.The entire IC can be shut down through the SMBSUS pin or by setting the SHDN bit = 1 in the SMBus command byte. Digital data for the DAC output current is retained internally and the supply current drops to 40?A for standby operation. The active low SHDN pin disables the CCFL control circuitry, but keeps the DAC alive. Supply current in this operating mode drops to 150?A.The LT1786F control circuitry operates from a logic supply voltage of 3.3V or 5V. The IC also has a battery supply pin that operates from 4.5V to 30V. The LT1786F draws 6mA typical quiescent current. A 200kHz switching frequency minimizes magnetic component size. Current mode switching techniques with cycle-by-cycle limiting gives high reliability and simple loop frequency compensation. The LT1786F is available in a 16-pin narrow SO package.Applications Notebook and Palmtop Computers Portable Instruments Personal Digital Assistants

Demonstration circuit 1830B is a battery charger controller and PowerPath™ manager featuring the LTC4000. This board should be connected to a front end DC/DC power supply for a complete charger solution.

Demonstration circuit 1830B is a battery charger controller and PowerPath™ manager with maximum power point control (MPPC) featuring the LTC4000-1. MPPC extracts near maximum power from high impedance sources such as solar panels, wind turbines or fuel cells. MPPC is achieved by means of an input voltage regulation control loop. This board should be connected to a front-end DC/DC power supply for a complete charger solution.

The LTC6803 is a 2nd generation, complete battery monitoring IC that includes a 12-bit ADC, a precision voltage reference, a high voltage input multiplexer and a serial interface. Each LTC6803 can measure up to 12 series connected battery cells or supercapacitors. Many LTC6803 devices can be stacked to measure the voltage of each cell in a long battery string. Each LTC6803-2/LTC6803-4 has an individually addressable serial interface, allowing up to 16 LTC6803-2/LTC6803-4 devices to interface to one control processor and operate simultaneously. Each cell input has an associated MOSFET switch for discharging overcharged cells. The LTC6803-2 connects the bottom of the stack to V? internally. It is pin compatible with the LTC6802-2, providing a drop-in upgrade. The LTC6803-4 separates the bottom of the stack from V?, improving cell 1 measurement accuracy.The LTC6803 provides a standby mode to reduce supply current to 12?A. Furthermore, the LTC6803 can be powered from an isolated supply, providing a technique to reduce battery stack current draw to zero.The related LTC6803-1 and LTC6803-3 offer a serial interface that allows the serial ports of multiple LTC6803-1 or LTC6803-3 devices to be daisy chained without optocouplers or isolators. SPI Interface Isolated V? LTC6802 Pin Compatible LTC6803-1 Daisy Chain No Yes LTC6803-2 Addressable No Yes LTC6803-3 Daisy Chain Yes No LTC6803-4 Addressable Yes No Applications Electric and Hybrid Electric Vehicles High Power Portable Equipment Backup Battery Systems Electric Bicycles, Motorcycles, Scooters

The LT3976 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 40V. Low quiescent current design consumes only 3.3?A of supply current while regulating with no load. Low ripple Burst Mode operation maintains high efficiency at low output currents while keeping the output ripple below 15mV in a typical application. The LT3976 can supply up to 5A of load current and has current limit foldback to limit power dissipation during short-circuit. A low dropout voltage of 500mV is maintained when the input voltage drops below the programmed output voltage, such as during automotive cold crank.An internally compensated current mode topology is used for fast transient response and good loop stability. A high efficiency 75m? switch is included on the die along with a boost Schottky diode. An accurate 1.02V threshold enable pin can be driven directly from a microcontroller or used as a programmable undervoltage lockout. A capacitor on the SS pin provides a controlled inrush current (soft-start). A power good flag signals when VOUT reaches 91.6% of the programmed output voltage. The LT3976 is available in small 16-lead MSOP and 24-lead 3mm ? 5mm QFN packages with exposed pad for low thermal resistance.Applications Automotive Battery Regulation Portable Products Industrial Supplies

DC1850A-B: Demo Board for the LTC4366-1/LTC4366-2 High Voltage Surge Stopper.

The LTC2379-18 is a low noise, low power, high speed 18-bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, the LTC2379-18 has a ?VREF fully differential input range with VREF ranging from 2.5V to 5.1V. The LTC2379-18 consumes only 18mW and achieves ?2LSB INL maximum, no missing codes at 18?bits with 101.2dB SNR.The LTC2379-18 has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisychain mode. The fast 1.6Msps throughput with no cycle latency makes the LTC2379-18 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2379-18 automatically powers down between conversions, leading to reduced power dissipation that scales with the sampling rate.The LTC2379-18 features a unique digital gain compression (DGC) function, which eliminates the driver amplifier?s negative supply while preserving the full resolution of the ADC. When enabled, the ADC performs a digital scaling function that maps zero-scale code from 0V to 0.1 ? VREF and full-scale code from VREF to 0.9 ? VREF. For a typical reference voltage of 5V, the full-scale input range is now 0.5V to 4.5V, which provides adequate headroom for powering the driving amplifier from a single 5.5V supply.Applications Medical Imaging High Speed Data Acquisition Portable or Compact Instrumentation Industrial Process Control Low Power Battery-Operated Instrumentation ATE

DC1870A is a 1.5A low dropout linear regulator featuring the LT3081. The device is designed for rugged industrial applications and can be paralleled for higher output current or heat spreading. Besides paralleling, the LT3081 also presents other features including adjustability to zero VOUT, reverse protection for input and output-to-input voltages, temperature monitor, output current monitor, etc. A key feature of the LT3081 is the extended safe operating area (SOA). With the precision zero TC 50μA reference current source, a single resistor programs the output voltage to any level between zero and 34.5V. Internal protection circuitry includes reverse-battery and reverse-current protection, current limiting and thermal limiting.

DC1884A-A: Demo Board for LTM9011-14 14-Bit, 125Msps Low Power Octal ADCs.

The LTM9011-14/LTM9010-14/LTM9009-14 are 8-channel, simultaneous sampling 14-bit A/D converters designed for digitizing high frequency, wide dynamic range signals. AC performance includes 73.1dB SNR and 88dB spurious free dynamic range (SFDR). Low power consumption per channel reduces heat in high channel count applications. Integrated bypass capacitance and flow-through pinout reduces overall board space requirements.DC specs include ?1LSB INL (typ), ?0.3LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 1.2LSBRMS.The digital outputs are serial LVDS to minimize the number of data lines. Each channel outputs two bits at a time (2-lane mode). At lower sampling rates there is a one bit per channel option (1-lane mode).The ENC+ and ENC? inputs may be driven differentially or single-ended with a sine wave, PECL, LVDS, TTL, or CMOS inputs. An internal clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles.Applications Communications Cellular Base Stations Software Defined Radios Portable Medical Imaging Multichannel Data Acquisition Nondestructive Testing

Demonstration circuit 1886B features the LTC4232 and the LTC4232-1 5A integrated Hot Swap™ controllers. The LTC4232 is ideally suited for demanding power distribution control in 2.9V to 15V applications for hot board insertion protection, high side power switching, and electronic circuit breaker functions.

The LTM4624 is a complete 4A step-down switching mode ?Module??(micromodule) regulator in a tiny 6.25mm ? 6.25mm ? 5.01mm BGA package. Included in the package are the switching controller, power FETs, inductor and support components. Operating over an input voltage range of 4V to 14V or 2.375V to 14V with an external bias supply, the LTM4624 supports an output voltage range of 0.6V to 5.5V, set by a single external resistor. Its high efficiency design delivers 4A continuous, 5A peak, output current. Only bulk input and output capacitors are needed.The LTM4624 supports selectable discontinuous mode operation and output voltage tracking for supply rail sequencing. Its high switching frequency and current mode control enable a very fast transient response to line and load changes without sacrificing stability.Fault protection features include overvoltage, overcurrent and overtemperature protection.The LTM4624 is available with SnPb (BGA) or RoHS compliant terminal finish.Applications Telecom, Datacom, Networking and Industrial?Equipment Medical Diagnostic Equipment Data Storage Rack Units and Cards Test and Debug Systems