1.5A Buck Converter, 1.5A Boost Converter and LDO Controller Features: 2.5V to 36V Input Voltage Range Programmable Switching Frequency from 500kHz to 2.1MHz Synchronizable Up to 2.75MHz VOUT(MIN): 0.8V Independent Soft-Start for Each Converter Separate VIN Supplies for Each Converter Duty Cycle Range: 0% to 90% at 1MHz Available in 24-Lead (4mm × 4mm) QFN and 20-Lead TSSOP Packages

1.5A Buck Converter, 1.5A Boost Converter and LDO Controller Features: 2.5V to 36V Input Voltage Range Programmable Switching Frequency from 500kHz to 2.1MHz Synchronizable Up to 2.75MHz VOUT(MIN): 0.8V Independent Soft-Start for Each Converter Separate VIN Supplies for Each Converter Duty Cycle Range: 0% to 90% at 1MHz Available in 24-Lead (4mm × 4mm) QFN and 20-Lead TSSOP Packages

Isolated Flyback Converter Without an Opto-Coupler Features: 3V to 40V Input Voltage Range 0.65A, 60V Integrated NPN Power Switch Boundary Mode Operation No Transformer Third Winding or Opto-Isolator Required for Regulation Improved Primary-Side Winding Feedback Load Regulation VOUT Set with Two External Resistors BIAS Pin for Internal Bias Supply and Power NPN Driver Programmable Soft-Start Programmable Power Switch Current Limit 16-Lead MSOP Package

Isolated Flyback Converter without an Opto-Coupler Features: 3V to 40V Input Voltage Range 2.5A, 60V Integrated NPN Power Switch Boundary Mode Operation No Transformer Third Winding or Optoisolator Required for Regulation Improved Primary-Side Winding Feedback Load Regulation VOUT Set with Two External Resistors BIAS Pin for Internal Bias Supply and Power NPN Driver Programmable Soft-Start Programmable Power Switch Current Limit Thermally Enhanced 16-Lead TSSOP

6A Boost/Inverting DC/DC Converter with Fault Protection Features: 6A, 42V Combined Power Switch Output Short Circuit Protection Wide Input Range: 2.5V to 16V Operating, 40V Maximum Transient LT3579-1: Dual-Phase Capable Master/Slave (3.4A/2.6A) Switch Design User Configurable Undervoltage Lockout Easily Configurable as a Boost, SEPIC, Inverting, or Flyback Converter Low VCESAT Switch: 250mV at 5.5A (Typical) Can Be Synchronized to External Clock Can Synchronize other Switching Regulators High Gain SHDN Pin Accepts Slowly Varying Input Signals 20-Lead TSSOP and 20-Pin 4mm × 5mm QFN Packages

6A Boost/Inverting DC/DC Converter with Fault Protection Features: 6A, 42V Combined Power Switch Output Short Circuit Protection Wide Input Range: 2.5V to 16V Operating, 40V Maximum Transient LT3579-1: Dual-Phase Capable Master/Slave (3.4A/2.6A) Switch Design User Configurable Undervoltage Lockout Easily Configurable as a Boost, SEPIC, Inverting, or Flyback Converter Low VCESAT Switch: 250mV at 5.5A (Typical) Can Be Synchronized to External Clock Can Synchronize other Switching Regulators High Gain SHDN Pin Accepts Slowly Varying Input Signals 20-Lead TSSOP and 20-Pin 4mm × 5mm QFN Packages

6A Boost/Inverting DC/DC Converter with Fault Protection Features: 6A, 42V Combined Power Switch Output Short Circuit Protection Wide Input Range: 2.5V to 16V Operating, 40V Maximum Transient LT3579-1: Dual-Phase Capable Master/Slave (3.4A/2.6A) Switch Design User Configurable Undervoltage Lockout Easily Configurable as a Boost, SEPIC, Inverting, or Flyback Converter Low VCESAT Switch: 250mV at 5.5A (Typical) Can Be Synchronized to External Clock Can Synchronize other Switching Regulators High Gain SHDN Pin Accepts Slowly Varying Input Signals 20-Lead TSSOP and 20-Pin 4mm × 5mm QFN Packages

6A Boost/Inverting DC/DC Converter with Fault Protection Features: 6A, 42V Combined Power Switch Output Short Circuit Protection Wide Input Range: 2.5V to 16V Operating, 40V Maximum Transient LT3579-1: Dual-Phase Capable Master/Slave (3.4A/2.6A) Switch Design User Configurable Undervoltage Lockout Easily Configurable as a Boost, SEPIC, Inverting, or Flyback Converter Low VCESAT Switch: 250mV at 5.5A (Typical) Can Be Synchronized to External Clock Can Synchronize other Switching Regulators High Gain SHDN Pin Accepts Slowly Varying Input Signals 20-Lead TSSOP and 20-Pin 4mm × 5mm QFN Packages

Boost/Inverting DC/DC Converter with 2A Switch, Soft-Start, and Synchronization Features: 2A Internal 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: 2.5V to 32V Low VCESAT Switch: 300mV at 1.5A (Typical) Integrated Soft-Start Function Easily Configurable as a Boost or Inverting Converter User Configurable Undervoltage Lockout (UVLO) Tiny 8-Lead 3mm × 3mm DFN and 8-Lead MSOP Packages

Boost/Inverting DC/DC Converter with 2A Switch, Soft-Start, and Synchronization Features: 2A Internal 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: 2.5V to 32V Low VCESAT Switch: 300mV at 1.5A (Typical) Integrated Soft-Start Function Easily Configurable as a Boost or Inverting Converter User Configurable Undervoltage Lockout (UVLO) Tiny 8-Lead 3mm × 3mm DFN and 8-Lead MSOP Packages

3.3A Boost/Inverting DC/DC Converter with Fault Protection Features: 3.3A, 42V Combined Power Switch Master/Slave (1.9A/1.4A) Switch Design Output Short Circuit Protection Wide Input Range: 2.5V to 22V Operating, 40V Maximum Transient Switching Frequency Up to 2.5MHz Easily Configurable as a Boost, SEPIC, Inverting or Flyback Converter User Configurable Undervoltage Lockout Low VCESAT Switch: 250mV at 2.75A (Typical) Can be Synchronized to External Clock Can Be Synchronized to other Switching Regulators High Gain SHDN Pin Accepts Slowly Varying Input Signals 14-Pin 4mm × 3mm DFN and 16-Lead MSE Packages

3.3A Boost/Inverting DC/DC Converter with Fault Protection Features: 3.3A, 42V Combined Power Switch Master/Slave (1.9A/1.4A) Switch Design Output Short Circuit Protection Wide Input Range: 2.5V to 22V Operating, 40V Maximum Transient Switching Frequency Up to 2.5MHz Easily Configurable as a Boost, SEPIC, Inverting or Flyback Converter User Configurable Undervoltage Lockout Low VCESAT Switch: 250mV at 2.75A (Typical) Can be Synchronized to External Clock Can Be Synchronized to other Switching Regulators High Gain SHDN Pin Accepts Slowly Varying Input Signals 14-Pin 4mm × 3mm DFN and 16-Lead MSE Packages

48V Buck Mode LED Driver in SC70 and 2mm 2mm DFN Features: 4.5V to 55V Input Voltage Range Up to 50mA LED Current 80mA, 55V Switch Internal Schottky Diode 15µA Supply Current in Shutdown 500µA Supply Current Operating, Not Switching Switching Frequency: 850kHz 200mV Feedback Voltage with ±5% Accuracy CTRL Input Performs Dimming and Shutdown 91% Efficiency (10 LEDs, 50mA) Requires Only 1µF Output Capacitor 8-Lead SC70 Package 6-Lead 2mm × 2mm DFN Package

White LED Driver with Integrated Schottky in 3mm x 2mm DFN Features: Drives Up to Ten White LEDs from a 3V Supply High Side Sense Allows “One Wire Current Source” Internal Schottky Diode One Pin Dimming and Shutdown 80:1 True Color PWM™ Dimming Range 42V Open LED Protection 1MHz Switching Frequency ±5% Reference Accuracy VIN Range: 2.5V to 12V Requires Only 2.2µF Output Capacitor Low Profile 8-Lead DFN Package (3mm × 2mm × 0.75mm)

500mA Wide Input Voltage Range Step-Down LED Driver with 10:1 Dimming Features: Wide Input Voltage Range Operation from 3.6V to 36V Resistor Adjustable 400kHz–2.2MHz Switching Frequency Shorted and Open LED Protected Internal Switch Current Sense Resistor External Resistor Programs LED Current, Pin Selects 10:1 Ratio 50mA/500mA LED Current Settings Catch Diode Current Sense to Prevent Runaway at High VIN Small Thermally Enhanced 10-Lead DFN (2mm × 3mm) and MSOP-10 Packages

500mA Wide Input Voltage Range Step-Down LED Driver with 10:1 Dimming Features: Wide Input Voltage Range Operation from 3.6V to 36V Resistor Adjustable 400kHz–2.2MHz Switching Frequency Shorted and Open LED Protected Internal Switch Current Sense Resistor External Resistor Programs LED Current, Pin Selects 10:1 Ratio 50mA/500mA LED Current Settings Catch Diode Current Sense to Prevent Runaway at High VIN Small Thermally Enhanced 10-Lead DFN (2mm × 3mm) and MSOP-10 Packages

1MHz White LED Driver with Output Disconnect and One Pin Current Programming Features: Drives Up to Ten White LEDs from a 3V Supply One Pin Shutdown and Current Programming LEDs Disconnected in Shutdown 32:1 Linear Brightness Control Range VIN Range: 2.7V to 5.5V ±5% Output Current Accuracy at Full Scale Low Shutdown Current: 3μA 1MHz Switching Frequency Requires Only 1μF Output Capacitor Low Prole 6-Lead DFN (2mm × 2mm × 0.75mm) and 6-Lead SOT-23 Packages

60V Step-Down LED Driver Features: 300mA Buck Regulator, Drives Up to 10 LEDs per Channel with Fast NPN Current Sources Fast Current Sources for <1μs Pulse Widths (10,000:1 True Color PWM™ Dimming at 100Hz) LEDs Disconnected in Shutdown Adaptive VOUT for Increased Efficiency 6V to 60V Input Voltage Range ±1.5% Accurate LED Current Matching External Resistors Set LED Current for Each Channel Requires No External Compensation Programmable Switching Frequency (200kHz to 1MHz) Synchronizable to External Clock Open, Short LED Detection and Reporting Programmable LED Thermal Derating and Reporting Programmable Temperature Protection 5mm × 8mm Thermally Enhanced QFN Package with 0.6mm High Voltage Pin Spacing

60V Step-Down LED Driver Features: 300mA Buck Regulator, Drives Up to 10 LEDs per Channel with Fast NPN Current Sources Fast Current Sources for <1μs Pulse Widths (10,000:1 True Color PWM™ Dimming at 100Hz) LEDs Disconnected in Shutdown Adaptive VOUT for Increased Efficiency 6V to 60V Input Voltage Range ±1.5% Accurate LED Current Matching External Resistors Set LED Current for Each Channel Requires No External Compensation Programmable Switching Frequency (200kHz to 1MHz) Synchronizable to External Clock Open, Short LED Detection and Reporting Programmable LED Thermal Derating and Reporting Programmable Temperature Protection 5mm × 8mm Thermally Enhanced QFN Package with 0.6mm High Voltage Pin Spacing

60V Triple Step-Down LED Driver Features: Three 100mA Buck Regulators, Each Drives Up to 10 LEDs with Fast NPN Current Sources Fast Current Sources for <1µs Pulse Widths (10,000:1 True Color PWM™ Dimming at 100Hz) LEDs Disconnected in Shutdown Adaptive VOUT for Increased Efficiency 6V to 60V Input Voltage Range ±2% LED Current Matching External Resistor Sets LED Current for Each Channel Internal Compensation and Soft-Start Programmable Switching Frequency (200kHz to 1MHz) Synchronizable to External Clock Open LED Detection and Reporting Shorted LED Pin Protection and Reporting Programmable LED Thermal Derating Programmable Temperature Protection 5mm × 8mm Thermally Enhanced QFN Package with a 0.6mm High Voltage Pin Spacing