Quad 40VIN Silent Switcher Module Regulator with Configurable 1.2A 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 Selectable Switching Frequency: 300kHz to 3MHz 1.2A Continuous Output Current per Channel at 12VIN, 3.3VOUT, TA = 85C 1.5A Continuous Output Current per Channel at 12VIN, 3.3VOUT, TA = 60C Multiphase or Multi-μModule Parallelable for Increased Output Current Compact Package (6.25mm × 11.25mm × 2.22mm) Surface Mount BGA

High Voltage High Current Hot Swap Controller Features: Allows Safe Board Insertion into Live Backplane Wide Operating Voltage Range: 6.5V to 80V Drives Two Gates for High Power Applications Configurable Parallel, Staged Start or Single MOSFET Modes Adjustable Precision Current Limit: 6mV to 20mV Current Foldback Limits MOSFET Power SOA Timer Optimizes MOSFET Capability Monitors VGS and VDS for MOSFET Health 12V Gate Drive for Lower MOSFET RDS(ON) Parallelable Controllers for Very High Current Levels Available in 24-Lead Narrow SSOP and 24-Pin 4mm × 5mm QFN Packages

8A and 10A High Efficiency Switching Regulators Features: Wide Input Voltage Range: 3.5V to 30V Low Quiescent Current: 7mA Internal 8A Switch (10A for LT1270A) Very Few External Parts Required Self-Protected Against Overloads Shutdown Mode Draws Only 100µA Supply Current Flyback-Regulated Mode Has Fully Floating Outputs Can be Externally Synchronized (See LT1072 Data Sheet) Comes in Standard 5-Pin TO-220 Package

Quad 31.25A or Single 125A Module Regulator with Digital Power System Management Features: Quad Digitally Adjustable Analog Loops with Digital Interface for Control and Monitoring Wide Input Voltage Range: 4.5V to 16V Output Voltage Range: 0.5V to 3.3V ±0.5% Maximum DC Output Error Over Temperature ±4% Current Readback Accuracy: 0°C to 125°C Integrated Input Current Sense Amplifier 400kHz PMBus-Compliant I2C Serial Interface Supports Telemetry Polling Rates Up to 125Hz Integrated 16-Bit ΔΣ ADC Parallel and Current Share Multiple Modules 15mm × 22mm × 8.17mm BGA Package Readable Data: Input and Output Voltages, Currents, and Temperatures Running Peak Values, Uptime, Faults and Warnings Onboard EEPROM Fault Log Record Writable Data and Configurable Parameters: Output Voltage, Voltage Sequencing and Margining Digital Soft-Start/Stop Ramp, Program Analog Loop OV/UV/OT, UVLO, Frequency and Phasing

High Efficiency, 2-Phase, Dual Synchronous Step-Down Switching Controller and Step-Up Regulator Features: Step-Down Controller Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise Power Good Output Voltage Indicator OPTI-LOOP™ Compensation Minimizes COUT DC Programmed Fixed Frequency 150kHz to 300kHz Wide VIN Range: 3.5V to 36V Operation Very Low Dropout Operation: 99% Duty Cycle Adjustable Soft-Start Current Ramping Latched Short-Circuit Shutdown with Defeat Option Remote Output Voltage Sense and OV Protection 5V and 3.3V Standby Regulators Selectable Const. Freq. or Burst Mode™ OperationStep-Up Regulator High Operating Switching Frequency of 1.2MHz Low Internal VCESAT Switch: 400mV @ 1A, VIN = 3V Wide VIN Range: 2.6V to 16V Operation High Output Voltage: Up to 34V

High Power CCFL Controller for Wide Dimming Range and Maximum Lamp Lifetime Features: Ultrawide Multimode Dimming™ Range Multiple Lamp Capability Programmable PWM Dimming Range and Frequency Precision Maximum and Minimum Lamp Currents Maximize Lamp Lifetime No Lamp Flicker Under All Supply and Load Conditions Open Lamp Detection and Protection 350kHz Switching Frequency 1.5A MOSFET Gate Driver 100mV Current Sense Threshold 5V Reference Voltage Output The 16-Lead SSOP Package

Lithium-Ion Linear Battery Charger in ThinSOT Features: Low Profile (1mm) ThinSOT™ No Blocking Diode Required No Sense Resistor Required 1% Accurate Preset Voltages: 4.1V or 4.2V Charge Current Monitor Output for Charge Termination Programmable Charge Current: 200mA to 700mA Automatic Sleep Mode with Input Supply Removal Manual Shutdown Negligible Battery Drain Current in Shutdown Undervoltage Lockout Self Protection for Overcurrent/Overtemperature

Wide Operating Range, No RSENSE Step-Down Controller Features: Wide VIN Range: 4V to 36V Sense Resistor Optional True Current Mode Control 2% to 90% Duty Cycle at 200kHz tON(MIN) ≤ 100ns Stable with Ceramic COUT Dual N-Channel MOSFET Synchronous Drive Power Good Output Voltage Monitor ±1% 0.6V Reference Adjustable Current Limit Adjustable Switching Frequency Programmable Soft-Start Output Overvoltage Protection Optional Short-Circuit Shutdown Timer Micropower Shutdown: IQ ≤ 30µA Available in a 1mm 20-Lead TSSOP Package

Wide Operating Range, No RSENSE Step-Down Controller Features: Wide VIN Range: 4V to 36V Sense Resistor Optional True Current Mode Control 2% to 90% Duty Cycle at 200kHz tON(MIN) ≤ 100ns Stable with Ceramic COUT Dual N-Channel MOSFET Synchronous Drive Power Good Output Voltage Monitor ±1% 0.6V Reference Adjustable Current Limit Adjustable Switching Frequency Programmable Soft-Start Output Overvoltage Protection Optional Short-Circuit Shutdown Timer Micropower Shutdown: IQ ≤ 30µA Available in a 1mm 20-Lead TSSOP Package

High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator Features: Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT Dual N-Channel MOSFET Synchronous Drive ±1% Output Voltage Accuracy Power Good Output Voltage Monitor (LTC1628-PG) DC Programmed Fixed Frequency 150kHz to 300kHz 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 Standby Regulators Small 28-Lead SSOP Package Selectable Constant Frequency or Burst Mode® Operation Available in 5mm × 5mm QFN and 28-Pin SSOP Packages