55V Buck-Boost Multi-Chemistry Battery Charger Features: Wide Voltage Range: 4.5V to 55V Input, Up to 55V Output (60V Absolute Maximums) Synchronous Buck-Boost DC/DC Controller Li-Ion and Lead-Acid Charge Algorithms ±0.5% Float Voltage Accuracy ±5% Charge Current Accuracy Instant-On for Heavily Discharged Batteries Ideal Diode Controller Provides Low Loss PowerPath When Input Power is Limited Input Voltage Regulation for High Impedance Input Supplies and Solar Panel Peak Power Operation Onboard Timer for Protection and Termination Bad Battery Detection with Auto-Reset NTC Input for Temperature Qualified Charging Binary Coded Open-Collector Status Pins Low Profile (0.75mm) 38-Pin 5mm × 7mm QFN Package

Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Life Extender Features: Dual Input, Single Output DC/DCs with Input Prioritizer Energy Harvesting Input: 3.0V to 19V Buck DC/DC Primary Cell Input: 1.8V to 5.5V Buck-Boost DC/DC Zero Battery IQ When Energy Harvesting Source is Available Ultralow Quiescent Current: 750nA at No-Load Low Noise LDO Post Regulator Integrated Supercapacitor Balancer Up to 50mA of Output Current Programmable DC/DC and LDO Output Voltages, Buck UVLO, and Buck-Boost Peak Input Current Integrated Low Loss Full-Wave Bridge Rectifier Input Protective Shunt: Up to 25mA at VIN ≥ 20V 5mm × 5mm QFN-32 Package

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

10A Guaranteed SOA Hot Swap Controller Features:Allows Safe Board Insertion into a Live BackplaneSmall Footprint10mΩ MOSFET Including RSENSESafe Operating Area Guaranteed at 41W, 30msWide Operating Voltage Range: 2.9V to 15VAdjustable, 11% Accurate Current LimitCurrent and Temperature Monitor OutputsOvertemperature ProtectionAdjustable Current Limit Timer Before FaultPower Good and Fault OutputsAdjustable Inrush Current Control2.5% Accurate Undervoltage and Overvoltage ProtectionAvailable in 38-Lead (5mm × 9mm) QFN PackagePin Compatible with LTC4234

55V Buck-Boost Multi-Chemistry Battery Charger Features: Wide Voltage Range: 4.5V to 55V Input, Up to 55V Output (60V Absolute Maximums) Synchronous Buck-Boost DC/DC Controller Li-Ion and Lead-Acid Charge Algorithms ±0.5% Float Voltage Accuracy ±5% Charge Current Accuracy Instant-On for Heavily Discharged Batteries Ideal Diode Controller Provides Low Loss PowerPath When Input Power is Limited Input Voltage Regulation for High Impedance Input Supplies and Solar Panel Peak Power Operation Onboard Timer for Protection and Termination Bad Battery Detection with Auto-Reset NTC Input for Temperature Qualified Charging Binary Coded Open-Collector Status Pins Low Profile (0.75mm) 38-Pin 5mm × 7mm QFN Package

Dual 42V Synchronous Monolithic Step-Down Regulator with 6.5A Quiescent Current Features: Wide Input Voltage Range: 3.4V to 42V 2.5A and 1.5A Buck Regulators with Separate Inputs Fast Minimum Switch On-Time: 35ns Ultralow Quiescent Current Burst Mode® Operation: 6.5μA IQ Regulating 12VIN to 5VOUT and 3.3VOUT Output Ripple < 15mV 180° Out of Phase Switching Adjustable: 200kHz to 3MHz Synchronizable: 250kHz to 3MHz Accurate 1V Enable Pin Thresholds Internal Compensation Output Soft-Start and Tracking TSSOP Package: Output Stays at or Below Regulation Voltage During Adjacent Pin Short or When a Pin Is Left Floating Thermally Enhanced 28-Lead TSSOP and 3mm × 6mm QFN Packages

Dual Output PolyPhase Step-Down DC/DC Voltage Mode Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Monitor Voltage, Current, Temperature and Faults Digitally Programmable Voltage, Current Limit, Soft-Start/Stop, Sequencing, Margining, AVP and UV/OV Thresholds 3V ≤ VINSNS ≤ 38V, 0.5V ≤ VOUT ≤ 5.25V ±0.5% Output Voltage Accuracy Programmable PWM Frequency or External Clock Synchronization from 250kHz to 1.25MHz Accurate PolyPhase® Current Sharing Internal EEPROM with Fault Logging and ECC IC Supply Range: 3V to 13.2V Resistor or Inductor DCR Current Sensing Optional Resistor Programming for Key Parameters 40-Pin (6mm × 6mm) QFN Package AEC-Q100 Qualified for Automotive Applications

4-Channel 8A Configurable Buck DC/DCs with Watchdog and Power-On Reset Features: 8 × 1A Buck Power Stages Configurable as 2, 3 or 4 Output Channels 8 Unique Output Configurations (1A to 4A Per Channel) Independent VIN Supplies for Each DC/DC (2.25V to 5.5V) Low Total No Load Supply Current: 15μA In Shutdown (All Channels Off) 68μA One Channel Active in Burst Mode® Operation 18μA Per Additional Channel Precision Enable Pin Thresholds for Autonomous Sequencing 1MHz to 3MHz RT Programmable Frequency (2MHz Default) or PLL Synchronization Temp Monitor Indicates Die Temperature CT Programmed Watchdog Timer Independent RST Pins Indicate Buck in Regulation Thermally Enhanced 38-Lead 5mm × 7mm QFN and TSSOP Packages

Boost/SEPIC/Inverting DC/DC Converter with 1A, 65V Switch, Soft-Start and Synchronization Features: 1A, 65V Power Switch Adjustable Switching Frequency Single Feedback Resistor Sets VOUT Synchronizable to External Clock High Gain SHDN Pin Accepts Slowly Varying Input Signals Wide Input Voltage Range: 2.55V to 40V Low VCESAT Switch: 400mV at 0.75A (Typical) Integrated Soft-Start Function Easily Configurable as a Boost, SEPIC, or Inverting Converter User Configurable Undervoltage Lockout (UVLO) Pin Compatible with LT3580 Tiny Thermally Enhanced 8-Lead 3mm × 3mm DFN and 8-Lead MSOP Packages AEC-Q100 Qualified for Automotive Applications

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4.5V to 60V (65V Abs Max) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 99% • VIN Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE) No External Bootstrap Diodes Required Low Operating IQ: 29μA (One Channel On) Selectable Gate Drive UVLO Thresholds Out-of-Phase Operation Reduces Required Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency: 75kHz to 850kHz Selectable Continuous, Pulse Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit (LTC3892/LTC3892-2) Very Low Dropout Operation: 99% Duty Cycle Power Good Output Voltage Monitors (LTC3892/LTC3892-2) Low Shutdown IQ: 3.6μA Small 32-Lead 5mm × 5mm QFN Package (LTC3892/LTC3892-2) or TSSOP Package (LTC3892-1)