Multichannel Power Supply Sequencer and Supervisor Features: Easily Configure Power Management without Software  Controls Up to Four Supplies per Device  Cascades for Additional Supplies Staged Supply Sequencing with Adjustable Time Positions Fault Event Reporting with Diagnostics  Selectable System Shutdown on Fault 1.5% Undervoltage Monitor Accuracy Overvoltage and/or Fault Indication Configurable Undervoltage and Overvoltage Thresholds Charge Pumped Enable Pins Drive N-Channel MOSFETs Operates from 2.9V to 16.5V 5mm × 7mm 38-lead QFN and 36-lead SSOP 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

PolyPhase, High Efficiency, Synchronous Step-Down Switching Regulator Features: Dual Controller Operates from One to Twelve Phases Reduces Required Input Capacitance and Power Supply Induced Noise Current Mode Control Ensures Current Sharing Phase-Lockable Fixed Frequency: 150kHz to 300kHz 1.8MHz Effective Switching Frequency True Remote Sensing Differential Amplifier OPTI-LOOP™ Compensation Reduces COUT ±1% Output Voltage Accuracy Power Good Output Voltage Monitor (LTC1629-PG) Wide VIN Range: 4V to 36V Operation Very Low Dropout Operation: 99% Duty Cycle Adjustable Soft-Start Current Ramping Internal Current Foldback Plus Shutdown Timer Overvoltage Soft-Latch Eliminates Nuisance Trips Micropower Shutdown Available in 28-Lead SSOP Package

Ultracompact 4A, 15V, Full Bridge Driver with SPI Features: 25-Bit Digital Output Voltage Control Wide Input Voltage Range: 3.1V to 15V ±4A Output Current High Output Power: Up to 54W1 High Efficiency at High Frequency 92.6% Efficiency at 4A, 15VIN, fSW = 3MHz SPI Interface Allows User to: Set Output Regulation Voltage Set Output Current Limits Check Device Status Enable/Disable Output Integrated 4A Power Switches Silent Switcher® Architecture Analog Output for Diagnostics/Telemetry Adjustable and Synchronizable: 500kHz to 3MHz Small 3mm × 3mm 18-Lead LQFN1 VTEC = ±13.5V/±4A with VIN = 15V, fSW = 1MHz

Micropower, Regulated Charge Pump DC/DC Converters Features: 5V Output Current: 100mA (VIN ≥ 3V) 3.3V Output Current: 80mA (VIN ≥ 2.5V) Ultralow Power: 20µA Quiescent Current Regulated Output Voltage: 3.3V ±4%, 5V ±4%, ADJ VIN Range: 2V to 5.5V 800kHz Switching Frequency No Inductors Very Low Shutdown Current: <2µA Shutdown Disconnects Load from VIN PowerGood/Undervoltage Output Adjustable Soft-Start Time Short-Circuit/Thermal Protection Available in 8-Pin MSOP

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

2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulator Features: Output Stages Operate Antiphase Reducing Input and Output Capacitance Requirements and Power Supply Induced Noise Dual Input Supply Capability for Load Sharing 5-Bit Mobile VID Code: VOUT = 0.6V to 1.75V ±1% Output Voltage Accuracy True Remote Sensing Differential Amplifier Power Good Output Voltage Monitor Supports Active Voltage Positioning Current Mode Control Ensures Current Sharing OPTI-LOOP™ Compensation Minimizes COUT Three Operational Modes: PWM, Burst and Cycle Skip Programmable Fixed Frequency: 150kHz to 300kHz Wide VIN Range: 4V to 36V Operation Adjustable Soft-Start Current Ramping Internal Current Foldback and Short-Circuit Shutdown Overvoltage Soft Latch Eliminates Nuisance Trips Available in 36-Lead Narrow SSOP Package

Dual, 550kHz, 2-Phase Synchronous Step-Down Switching Regulator Features: Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Power Good Output Voltage Indicator Phase-Lockable Fixed Frequency 250kHz to 550kHz Dual N-Channel MOSFET Synchronous Drive Wide VIN Range: 3.5V to 36V Operation Very Low Dropout Operation: 99% Duty Cycle Adjustable Soft-Start Current Ramping Foldback Output Current Limiting Latched Short-Circuit Shutdown with Defeat Option Output Overvoltage Protection Remote Output Voltage Sense Low Shutdown IQ : 20µA 5V and 3.3V Regulators 3 Selectable Operating Modes: Constant-Frequency, Burst Mode® Operation and PWM Available in 32-Pin 5mm x 5mm QFN and 28-Pin SSOP Packages

High Voltage 3A, 200kHz Step-Down Switching Regulator with 100A Quiescent Current Features: Wide Input Range: 3.3V to 60V 3A Peak Switch Current Burst Mode® Operation: 100µA Quiescent Current Low Shutdown Current: IQ < 1µA Power Good Flag with Programmable Threshold Load Dump Protection to 60V 200kHz Switching Frequency Saturating Switch Design: 0.1 Peak Switch Current Maintained Over Full Duty Cycle Range 1.25V Feedback Reference Voltage Easily Synchronizable Soft-Start Capability Small 16-Pin Thermally Enhanced TSSOP Package