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

Isolated, Precision Gate Driver with 2 A Output Features: 2.3 A peak output current (<2 Ω RDSON_x) 2.5 V to 6.5 V VDD1 input 4.5V to 35 V VDD2 output  UVLO at 2.3 V VDD1 Multiple UVLO options on VDD2 Grade A—4.4 V (typical) positive going threshold Grade B—7.3 V (typical) positive going threshold Grade C—11.3 V (typical) positive going threshold Precise timing characteristics  79 ns maximum isolator and driver propagation delay falling edge (ADuM4120) CMOS input logic levels  High common-mode transient immunity: 150 kV/μs High junction temperature operation: 125°C  Default low output Safety and regulatory approvals (pending) UL recognition per UL 1577  5 kV rms for 1 minute SOIC long package CSA Component Acceptance Notice 5A  VDE certificate of conformity (pending) DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 849 V peak  8 mm creepage Wide body, 6-lead SOIC with increased creepage

2.7 V to 16 V Hot Swap Controller with Current Sense Output Features: Allows Safe Board Insertion and Removal from a Live Backplane Controls Supply Voltages from 2.7 V to 16.5V Current Sense Output Voltage Adjustable Analog Current Limit with Circuit Breaker Fast Response Limits Peak Fault Current Automatic Retry or Latch-Off On Current Fault Charge Pumped Gate Drive for External N-FET Switch True Soft Start Control of Initial Current Profile Undervoltage Lockout 8-pin TSOT Package

Doubler Charge Pumps with Low Noise Linear Regulator Features: Low Output Noise: 60µVRMS (100kHz BW) Adjustable or Fixed Boosted Output Adjustable Output Voltage Range: 2.5V to 5.5V Fixed Output Voltages: 3.3V, 5V Wide Input Voltage Range: 1.8V to 4.4V Uses Small Ceramic Capacitors No Inductors Required Output Current up to 50mA 550kHz Switching Frequency Low Operating Current: 150µA Low Shutdown Current: 1µA Internal Thermal Shutdown and Current Limiting Available in 8-Pin MSOP and SO Packages

Quad 40VIN, Silent Switcher Module Regulator with Configurable 3A Output Array Features: Four Complete Step-Down Switching Power Supplies Low Noise Silent Switcher® Architecture CISPR22 Class B Compliant CISPR25 Class 5 Compliant Wide Input Voltage Range: 3V to 40V Wide Output Voltage Range: 0.8V to 8V 3A Continuous Output Current per Channel at 12VIN, 3.3VOUT, TA = 80°C 4A Continuous Output Current per Channel at 12VIN, 3.3VOUT, fSW = 2MHz, TA = 60°C Multiphase or Multi-μModule Parallelable for Increased Output Current Low Thermal Resistance, θJA = 8.4°C/W, θJCtop = 5.0°C/W, θJCbot = 1.8°C/W Selectable Switching Frequency: 200kHz to 3MHz Compact Package

A 7-Bit Current DAC with PMBus Interface Features: ±0.8% IDAC Positive Output Current Accuracy (Over Temp) ±1.5% IDAC Negative Output Current Accuracy (Over Temp) PMBus/I2C Compliant Serial Interface Input Voltage Range: 2.5V to 5.5V High Impedance at IDAC Output When Disabled Wide IDAC Operation Voltage (0.4V to 2.0V) 7-Bit Programmable DAC Output Current for DC/DC VOUT Control Wide Range IDAC Output Current: ±16μA to ±256μA Programmable Slew Rate: 500ns ~ 3ms per Bit Available in a 10-Lead (3mm × 2mm) DFN Package

1 A/0.6 A, DC-to-DC Switching Regulator with Independent Positive and Negative Outputs Features: Wide input supply voltage range: 2.85 V to 15 V Generates well regulated, independently resistor programmable VPOS and VNEG outputs Boost regulator to generate VPOS output Adjustable positive output to 39 V Integrated 1.0 A main switch Optional single-ended primary-inductor converter (SEPIC) configuration for automatic step-up/step-down Inverting regulator to generate VNEG output Adjustable negative output to VIN − 39 V Integrated 0.6 A main switch True shutdown for both positive and negative outputs 1.2 MHz/2.4 MHz switching frequency with optional external frequency synchronization from 1.0 MHz to 2.6 MHz Resistor programmable soft start timer Slew rate control for lower system noise Individual precision enable and flexible start-up sequence control for symmetric start, VPOS first, or VNEG first Out-of-phase operation UVLO, OCP, OVP, and TSD protection 4 mm × 4 mm, 20-lead LFCSP and 20-lead TSSOP −40°C to +125°C junction temperature range Supported by the ADIsimPower tool set

20 V, 200 mA, Low Noise, CMOS LDO Linear Regulator Features: Low noise: 11 μV rms independent of fixed output voltage PSRR of 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz, VOUT ≤ 5 V, VIN = 7 V Input voltage range: 2.7 V to 20 V Maximum output current: 200 mA Initial accuracy: ±0.8% Accuracy over line, load, and temperature −1.2% to +1.5%, TJ = −40°C to +85°C ±1.8%, TJ = −40°C to +125°C Low dropout voltage: 200 mV (typical) at a 200 mA load,  VOUT = 5 V User programmable soft start (LFCSP and SOIC only) Low quiescent current, IGND = 50 μA (typical) with no load Low shutdown current: 1.8 μA at VIN = 5 V, 3.0 μA at VIN = 20 V Stable with a small 2.2 μF ceramic output capacitor Fixed output voltage options: 1.8 V, 2.5 V, 3.3 V, 4.5 V, and 5.0 V 16 standard voltages between 1.2 V and 5.0 V are available Adjustable output from 1.2 V to VIN – VDO, output can be adjusted above initial set point Precision enable 2 mm × 2 mm, 6-lead LFCSP, 8-Lead SOIC, 5-Lead TSOT AEC-Q100 qualified for automotive applications