Low IQ Boost/SEPIC/Inverting Converter with 1A, 60V Switch Features: 3V to 40V Input Voltage Range Ultralow Quiescent Current and Low Ripple Burst Mode® Operation: IQ = 6μA 1A, 60V Power Switch Positive or Negative Output Voltage Programming with a Single Feedback Pin Fixed 2MHz Switching Frequency Accurate 1.6V EN/UVLO Pin Threshold Internal Compensation and Soft-Start Low Profile (1mm) ThinSOT™ Package Low Profile (0.75mm) 8-Lead (3mm × 2mm) DFN Package DFN Package is AEC-Q100 Qualified ThinSOT Package AEC-Q100 Qualification is in Progress

Surge Stopper with Ideal Diode Features: Wide Operating Voltage Range: 4V to 80V Withstands Surges Over 80V with VCC Clamp Adjustable Output Clamp Voltage Ideal Diode Controller Holds Up Output Voltage During Input Brownouts Reverse Input Protection to -40V Reverse Output Protection to -20V Overcurrent Protection Low 10μA Shutdown Current at 12V Adjustable Fault Timer 0.1% Retry Duty Cycle During Faults (LTC4364-2) Available in 4mm x 3mm 14-Lead DFN, 16-Lead MSOP, and 16-Lead SO Packages AEC-Q100 Qualified for Automotive Applications

LTPoE++/PoE+/PoE PD Forward/Flyback Controller Features: IEEE802.3af/at and LTPoE++™ 90W Powered Device (PD) with Forward/Flyback Controller LT4276A Supports All of the Following Standards: LTPoE++ 38.7W, 52.7W, 70W and 90W IEEE 802.3at 25.5W Compliant IEEE 802.3af up to 13W Compliant LT4276B is IEEE 802.3at/af Compliant LT4276C is IEEE 802.3af Compliant Superior Surge Protection (100V Absolute Maximum) Wide Junction Temperature Range (–40°C to 125°C) Auxiliary Power Support as Low as 9V No Opto-Isolator Required for Flyback Operation External Hot Swap™ N-Channel MOSFET for Lowest Power Dissipation and Highest System Efficiency >94% End-to-End Efficiency with LT4321 Ideal Bridge Available in a 28-Lead 4mm × 5mm QFN Package

Dual, 2-Phase, Synchronous Controller with Low Value DCR Sensing and Temperature Compensation Features: Low Value DCR Current Sensing Programmable DCR Temperature Compensation ±0.5% 0.6V Output Voltage Accuracy Dual True Remote Sensing Differential Amplifiers Phase-Lockable Fixed Frequency 250kHz to 720kHz Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise Dual N-Channel MOSFET Synchronous Drive Wide VIN Range: 4.5V to 38V Operation Output Voltage Range with Low DCR: 0.6V to 3.5V, without Low DCR: 0.6V to 5V Adjustable Soft-Start Current Ramping or Tracking Foldback Output Current Limiting Clock Input and Output for Up to 12-Phase Operation Short-Circuit Soft Recovery Output Overvoltage Protection Power Good Output Voltage Monitor 40-Lead QFN Packages AEC-Q100 Qualified for Automotive Applications

60V PolyPhase Synchronous Boost Controller with PassThru Features:PolyPhase® Operation Reduces Required Input and Output Capacitance and Power Supply Induced NoiseSynchronous Operation for Highest Efficiency and Reduced Heat DissipationWide VIN Range: 4.5V to 60V (65V Abs Max); Operates Down to 2.3V After Start-UpOutput Voltage Up to 60V±1% 1.200V Reference VoltageRSENSE or Inductor DCR Current Sensing100% Duty Cycle Capability for Synchronous MOSFETLow Quiescent Current: 28μAPhase-Lockable Frequency (75kHz to 850kHz)Programmable Fixed Frequency (50kHz to 900kHz)Power Good Output Voltage MonitorLow Shutdown Current, IQ < 4μAInternal LDO Powers Gate Drive from VBIAS or EXTVCCThermally Enhanced Low Profile 28-Pin 4mm × 5mm QFN Package and Narrow SSOP Package

Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read Back includes VIN, IIN, VOUT, IOUT, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV and Frequency Synchronization (250kHz to 1MHz) ±0.5% Output Voltage Accuracy Over Temperature Integrated 16-Bit ADC Internal EEPROM with ECC and Fault Logging Integrated Powerful N-Channel MOSFET Gate Drivers Power Conversion Wide VIN Range: 4.5V to 24V VOUT Range: 0.5V to 5.4V (4V on VOUT0) Analog Current Mode Control Loop Accurate PolyPhase® Current Sharing for Up to 6 Phases Available in a 40-Pin (6mm × 6mm) QFN Package AEC-Q100 Qualified for Automotive Applications

Backup Battery Controller with Fixed Output Features: Not Recommended For New Designs. Contact Analog Devices for Potential Replacement. Complete Battery Backup System in an SO-8, 16-Pin GN or SO Package Generates Fixed Backup Voltage (3.07V/4.63V) from a Single 1.2V NiCd Button Cell Automatic Main Supply to Backup Switching Minimum 100mW Output Power Automatic Fast Recharge of NiCd Battery Programmable NiCd Trickle Charge Current Smart NiCd Charger Minimizes Recharge Time and Maximizes System Efficiency After Backup Onboard Power-Up and Push-Button Reset Generator Performs VCC Supervisory Functions Reset Assertion Guaranteed at VCC = 1V Short-Circuit Protection Thermal Limiting

0.25ppm Noise, Low Drift Precision References Features: Low Noise: 0.25ppmP-P (0.1Hz to 10Hz) 625nVP-P for the LTC6655-2.5 0.21ppmRMS (10Hz to 1kHz) for the LTC6655LN CNR = 100µF Low Drift: 2ppm/°C Max High Accuracy: ±0.025% Max No Humidity Sensitivity (LS8 Package) Thermal Hysteresis (LS8): 30ppm (–40°C to 85°C) Long-Term Drift (LS8): 20ppm/√kHr 100% Tested at –40°C, 25°C and 125°C Load Regulation: <10ppm/mA Sinks and Sources Current: ±5mA Low Dropout: 500mV Maximum Supply Voltage: 13.2V Low Power Shutdown: <20µA Max Available Output Voltages: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V, 5V Available in an 8-Lead MSOP and High Stability Hermetic 5mm × 5mm LS8 Packages

Ultrathin 20VIN, 3A Step-Down DC/DC Module (Power Module) Regulator Features: <2mm Height, Complete Solution in <1cm2 (Single-Sided PCB) or 0.5cm2 (Dual-Sided PCB) Wide Input Voltage Range: 4V to 20V Input Voltage Down to 2.375V with External Bias 0.6V to 5.5V Output Voltage 3A DC Output Current ±1.5% Maximum Total DC Output Voltage Error Current Mode Control, Fast Transient Response Low EMI EN55022 Class B Compliant External Frequency Synchronization Multiphase Operation with Current Sharing Output Voltage Tracking Selectable Discontinuous Mode Power Good Indicator Overvoltage, Overcurrent and Overtemperature Protection Ultrathin (6.25mm × 6.25mm × 1.82mm) LGA Package and (6.25mm × 6.25mm × 2.42mm) BGA Package

Low Cost, Low Power, True RMS-to-DC Converter Features: Converts an ac voltage waveform to a dc voltage and then converts to the true rms, average rectified, or absolute value 200 mV rms full-scale input range (larger inputs with input attenuator) High input impedance: 1012 Ω  Low input bias current: 25 pA maximum High accuracy: ±0.3 mV ± 0.3% of reading RMS conversion with signal crest factors up to 5 Wide power supply range: +2.8 V, −3.2 V to ±16.5 V Low power: 200 μA maximum supply current Buffered voltage output No external trims needed for specified accuracy Related device: the AD737 features a power-down control with standby current of only 25 μA; the dc output voltage is negative and the output impedance is 8 kΩ