Dual 5V, 2A Synchronous Step-Down DC/DCs in Tiny LQFN and WLCSP Features: Dual Outputs Each with 2A Output Current High Efficiency: 19mΩ NMOS and 75mΩ PMOS Wide Bandwidth, Fast Transient Response Switching Frequency Synchronizable Up to 3MHz VIN Range: 2.25V to 5.5V VOUT Range: 0.5V to VIN VOUT Accuracy: ±1% Low Ripple Burst Mode® Operation Peak Current Mode Control Minimum On-Time: 25ns Safely Tolerates Inductor Saturation in Overload Shutdown Current: 1.2µA Precision 400mV Enable Thresholds Internal Soft-Start and Compensation Power Good Output Low Profile, Thermally Enhanced 12-Lead 2mm × 2mm × 0.74mm LQFN and 16-Ball 1.64mm × 1.64mm × 0.5mm WLCSP Packages AEC-Q100 Qualified for Automotive Applications

Dual 5V, 2A Synchronous Step-Down DC/DCs in Tiny LQFN and WLCSP Features: Dual Outputs Each with 2A Output Current High Efficiency: 19mΩ NMOS and 75mΩ PMOS Wide Bandwidth, Fast Transient Response Switching Frequency Synchronizable Up to 3MHz VIN Range: 2.25V to 5.5V VOUT Range: 0.5V to VIN VOUT Accuracy: ±1% Low Ripple Burst Mode® Operation Peak Current Mode Control Minimum On-Time: 25ns Safely Tolerates Inductor Saturation in Overload Shutdown Current: 1.2µA Precision 400mV Enable Thresholds Internal Soft-Start and Compensation Power Good Output Low Profile, Thermally Enhanced 12-Lead 2mm × 2mm × 0.74mm LQFN and 16-Ball 1.64mm × 1.64mm × 0.5mm WLCSP Packages AEC-Q100 Qualified for Automotive Applications

Dual 5V, 2A Synchronous Step-Down DC/DCs in Tiny LQFN and WLCSP Features: Dual Outputs Each with 2A Output Current High Efficiency: 19mΩ NMOS and 75mΩ PMOS Wide Bandwidth, Fast Transient Response Switching Frequency Synchronizable Up to 3MHz VIN Range: 2.25V to 5.5V VOUT Range: 0.5V to VIN VOUT Accuracy: ±1% Low Ripple Burst Mode® Operation Peak Current Mode Control Minimum On-Time: 25ns Safely Tolerates Inductor Saturation in Overload Shutdown Current: 1.2µA Precision 400mV Enable Thresholds Internal Soft-Start and Compensation Power Good Output Low Profile, Thermally Enhanced 12-Lead 2mm × 2mm × 0.74mm LQFN and 16-Ball 1.64mm × 1.64mm × 0.5mm WLCSP Packages AEC-Q100 Qualified for Automotive Applications

Dual 5V, 2A Synchronous Step-Down DC/DCs in 2mm 2mm LQFN Features: Dual Outputs Each with 2A Output Current High Efficiency: 19mΩ NMOS and 75mΩ PMOS Wide Bandwidth, Fast Transient Response Switching Frequency Synchronizable Up to 10MHz VIN Range: 2.25V to 5.5V VOUT Range: 0.5V to VIN VOUT Accuracy: ±1% Low Ripple Burst Mode® Operation Peak Current Mode Control Minimum On-Time: 25ns Safely Tolerates Inductor Saturation in Overload Shutdown Current: 1.2µA Precision 400mV Enable Thresholds Internal Soft-Start and Compensation Power Good Output Low Profile, Thermally Enhanced 12-Lead 2mm × 2mm × 0.74mm LQFN Package AEC-Q100 Qualified for Automotive Applications

20V 1A Buck DC/DC with Integrated SCAP Charger and Backup Regulator Features:VIN Voltage Range: 3V to 20VVOUT Voltage Range: 2.7V to 5V1A Current Mode Buck Main Regulator5A Boost Backup Regulator Powered from Single SupercapacitorBoost Regulator Operates Down to 0.5V for Maximum Utilization of Supercapacitor EnergyProgrammable Supercapacitor Charge Current to 1A with Overvoltage ProtectionCharger Supports Single Cell CC/CV Battery ChargingProgrammable VIN Current LimitProgrammable Boost Current LimitVIN Power Fail IndicatorVCAP Power Good IndicatorVOUT Power On Reset OutputCompact 20-Lead 4mm × 4mm QFN Package

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

60V Low IQ Buck Controller Plus 4-Channel 8A Configurable Buck DC/DCs Features: HV Buck Controller: VIN = 4.5V to 60V, VOUT = 5V/3.3V LV Buck Regulators: VINA-H = 2.25V to 5.5V, VOUT1-4 ≥ 0.8V 8×1A LV Buck Integrated Power Stages, Configurable as 2, 3 or 4 Output Channels 8 Unique Output Configurations (1A to 4A Per Channel) Low Total No-Load Input Supply Current (IQ) 15µA HV Controller Only (5VOUT) 23μA HV Controller Only (3.3VOUT) 33μA HV Controller (3.3VOUT) Plus One LV Regulator 9μA Per Additional LV Regulator Channel 1MHz to 3MHz Operation (HV Runs at 1/6 Frequency) Programmable or Synchronizable to External Clock Programmable Watchdog and Power-On Reset Delay IC Die Temperature Monitor Output Thermally Enhanced 48-Pin 7mm × 7mm QFN Package

20V High Efficiency Nanopower Step-Down Regulator Features: 720nA Input IQ in Regulation (No Load), VIN = 4V 820nA Input IQ in Regulation (No Load), VIN = 20V 400nA Input IQ in UVLO 2.7V to 20V Input Operating Range Up to 50mA of Output Current Pin Selectable Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V (LTC3388-1) 2.8V, 3.0V, 3.3V, 5.0V (LTC3388-3) High Efficiency Hysteretic Synchronous DC/DC Conversion Standby Mode Disables Buck Switching Available in 10-Lead MSE and 3mm × 3mm DFN Packages

20V High Efficiency Nanopower Step-Down Regulator Features: 720nA Input IQ in Regulation (No Load), VIN = 4V 820nA Input IQ in Regulation (No Load), VIN = 20V 400nA Input IQ in UVLO 2.7V to 20V Input Operating Range Up to 50mA of Output Current Pin Selectable Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V (LTC3388-1) 2.8V, 3.0V, 3.3V, 5.0V (LTC3388-3) High Efficiency Hysteretic Synchronous DC/DC Conversion Standby Mode Disables Buck Switching Available in 10-Lead MSE and 3mm × 3mm DFN Packages

600mA, 1.2MHz Micropower Synchronous Boost Converters in ThinSOT Features: Up to 92% Efficiency Generates 3.3V at 100mA from a Single AA Cell Low Start-Up Voltage: 0.85V 1.2MHz Fixed Frequency Switching Internal Synchronous Rectifier 2.5V to 5V Output Range Automatic Burst Mode® Operation (LTC3400) Continuous Switching at Light Loads (LTC3400B) Logic Controlled Shutdown (<1µA) Antiringing Control Minimizes EMI Tiny External Components Low Profile (1mm) SOT-23 Package