Dual 100mA, Low Dropout, Low Noise, Micropower Regulator with Independent Inputs Features: Low Noise: 20µVRMS (10Hz to 100kHz) Low Quiescent Current: 25µA/Channel Independent Inputs Wide Input Voltage Range: 1.8V to 20V Output Current: 100mA/Channel Very Low Shutdown Current: <0.1µA Low Dropout Voltage: 300mV at 100mA Adjustable Output from 1.22V to 20V Stable with 1µF Output Capacitor Stable with Aluminum, Tantalum or Ceramic Capacitors Reverse Battery Protected No Protection Diodes Needed Overcurrent and Overtemperature Protected Tracking/Sequencing Capability Thermally Enhanced 10-Lead MSOP and DFN Packages

3A, DC/DC Converter with Dual Rail-to-Rail Current Sense Features: Dual 100mV Rail-to-Rail Current Sense Amplifiers Wide Input Voltage Range: 2.5V to 25V 3A, 42V Internal Switch High Efficiency Power Conversion: Up to 93% Drives LEDs in Boost, Buck-Boost or Buck Mode Frequency Set by External Resistor: 200kHz to 3.5MHz Programmable Soft-Start Low VCESAT Switch: 0.3V at 2.5A Capable of Positive and Negative Output Voltages (Boost, Inverting, SEPIC, Flyback) Available in Thermally Enhanced 20-Lead (4mm × 4mm) QFN and 20-Lead TSSOP Packages

100V Current Mode Synchronous Switching Regulator Controller Features: High Voltage Operation: Up to 100V Large 1Ω Gate Drivers No Current Sense Resistor Required Dual N-Channel MOSFET Synchronous Drive Extremely Fast Transient Response ±0.5% 0.8V Voltage Reference Programmable Output Voltage Tracking/Soft-Start Generates 10V Driver Supply from Input Supply Synchronizable to External Clock Selectable Pulse Skip Mode Operation Power Good Output Voltage Monitor Adjustable On-Time/Frequency: tON(MIN) < 100ns Adjustable Cycle-by-Cycle Current Limit Programmable Undervoltage Lockout Output Overvoltage Protection 28-Pin SSOP Package

Negative Voltage Hot Swap Controllers with ADC and IC Monitoring Features:Allows Safe Insertion into Live –48V Backplanes10-Bit ADC Monitors Current and VoltagesI2C/SMBus Interface or Single-Wire Broadcast ModeFloating Topology Allows Very High Voltage OperationIndependently Adjustable Inrush and Overcurrent LimitsControlled Soft-Start InrushAdjustable UV/OV Thresholds and HysteresisSequenced Power Good Outputs with DelaysAdjustable Power Good Input TimeoutProgrammable Latchoff or Auto-Retry After FaultsAlerts Host After FaultsAvailable in 28-Lead Narrow SSOP and 24-Lead (4mm × 5mm) QFN Packages

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

Ultralow Noise 1A Switching Regulator Features: Greatly Reduced Conducted and Radiated EMI (<100µVP-P in Typical Application) Low Switching Harmonic Content Independent Control of Switch Voltage and Current Slew Rates Two 1A Current Limited Power Switches Regulates Positive and Negative Voltages 20kHz to 250kHz Oscillator Frequency Easily Synchronized to External Clock Wide Input Voltage Range: 2.7V to 23V Low Shutdown Current: 12µA Typical Easier Layout than with Conventional Switchers Outputs Can Be Forced to 50% Duty Cycle for Unregulated Applications

Ultrathin Quad Module Regulator with Configurable 3A Output Array Features: Quad Output Step-Down µModule® Regulator with 3A per Output Wide Input Voltage Range: 4V to 20V 2.375V to 20V with External Bias 0.6V to 3.3V Output Voltage 3A DC Output Current Each Channel ±1.5% Total Output Voltage Regulation Current Mode Control, Fast Transient Response Parallelable for Higher Output Current Output Voltage Tracking Internal Temperature Sensing Diode Output External Frequency Synchronization Overvoltage, Current and Temperature Protection 9mm × 15mm × 1.82mm LGA and 9mm × 15mm × 2.42mm BGA Packages