Dual 2-Phase, No RSENSE,Synchronous Controller for DDR/QDR Memory Termination Features: No Current Sense Resistors Required Out-of-Phase Controllers Reduce Required Input Capacitance VOUT2 Tracks 1/2 VREF Symmetrical Source/Sink Output Current Capability (VOUT2) Spread Spectrum Operation (When Enabled) Wide VIN Range: 2.75V to 9.8V Constant Frequency Current Mode Operation 0.6V ±1.5% Voltage Reference (VOUT1) Low Dropout Operation: 100% Duty Cycle True PLL for Frequency Locking or Adjustment Internal Soft-Start Circuitry Power Good Output Voltage Monitor Output Overvoltage Protection Micropower Shutdown: IQ = 9µA Tiny Low Profile (4mm × 4mm) QFN and Narrow SSOP Packages

No RSENSE, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking Features: Programmable Output Voltage Tracking No Current Sense Resistor Required Constant Frequency Current Mode Operation for Excellent Line and Load Transient Response Wide VIN Range: 2.75V to 9.8V Wide VOUT Range: 0.6V to VIN 0.6V ±1.5% Reference Low Dropout Operation: 100% Duty Cycle Selectable Burst Mode®/Pulse-Skipping/Forced Continuous Operation Auxiliary Winding Regulation Internal Soft-Start Circuitry Selectable Maximum Peak Current Sense Threshold Output Overvoltage Protection Micropower Shutdown: IQ = 9µA Tiny Thermally Enhanced Leadless (3mm × 3mm) DFN or 10-lead MSOP Packages

Micropower Synchronous Buck-Boost DC/DC Converter for WCDMA Applications Features: Optimized Features for WCDMA Handsets Regulated Output with Input Voltages Above, Below, or Equal to the Output 0.5V to 5V Output Range Up to 400mA Continuous Output Current From a Single Lithium-Ion Cell Minimal External Components 1.5MHz Fixed Frequency Operation Internal Loop Compensation for Fast Response <25μs Full Scale Output Slewing; COUT 4.7μF Output Disconnect in Shutdown 2.75V to 5.5V Input <1μA Shutdown Current Internal Soft-Start Output Overvoltage Protection Single Inductor, No Schottky Diodes Required Small, Thermally Enhanced 8-Lead (3mm × 3mm) DFN Package

3.3V/2.5V Step-Up/Step-Down Charge Pump DC/DC Converter Features: Step-Up/Step-Down Charge Pumps Generate Fixed 3.3V or 2.5V Outputs VIN Range: 1.8V to 5.5V Output Current up to 150mA Automatic Mode Switching Constant Frequency (1.2MHz) Operation in Step-Up Mode Low Dropout Regulator Operation in Step-Down Mode Low No-Load Quiescent Current: IQ = 65µA Built-In Soft-Start Reduces Inrush Current Shutdown Disconnects Load from Input Shutdown Current < 1µA Short-Circuit/Thermal Protection Available in a 6-Lead (2mm × 2mm) DFN Package

Dual, 2-Phase Step-Down Switching Controller Features: Wide Input Voltage Range: 4V to 30V Wide Output Voltage Range: 0.8V to VIN Low Shutdown IQ: 20μA Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise 0.8V ±1.5% Voltage Reference 500kHz Current Mode Fixed Frequency Operation Internal Boost Converter Provides Bias Rail for N-Channel MOSFET Gate Drive Power Good Voltage Monitor for Each Output Programmable Soft-Start 24-Lead 4mm × 4mm × 0.75mm Package

Synchronous Buck-Boost MAIN/CAMERA White LED Driver Features: High Efficiency: ≥85% Over Entire Li-Ion Battery Range Wide VIN Range: 2.7V to 5.5V Independent MAIN/CAMERA Current Control Up to 425mA Continuous Output Current Internal Soft-Start Open/Shorted LED Protection PWM Brightness Control LED Current Matching Typically <2.5% Constant Frequency 1MHz Operation Low Shutdown Current: 6.5µA Overtemperature Protection Small Thermally Enhanced 20-Lead (4mm × 4mm) QFN Package

Precision Reference Features: Ultralow Drift: 5ppm/C Max SlopeVery Low Noise: P-P (0.1Hz to 10Hz)100% Noise TestedPin Compatible with Most Bandgap Reference Applications, Including REF01, REF02, LM368, MC1400 and MC1404 with Greatly Improved Stability, Noise and DriftTrimmed Output VoltageOperates in Series or Shunt ModeOutput Sinks and Sources in Series Mode>100dB Ripple RejectionMinimum Input/Output Differential of 1VAvailable in 5-Lead Can, N8 and S8 Packages

Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager Features: Operates from Inputs as Low as ±30mV Less Than ±1°C Needed Across TEG to Harvest Energy Proprietary Auto-Polarity Architecture Complete Energy Harvesting Power Management System Selectable VOUT of 2.35V, 3.3V, 4.1V or 5V 2.2V, 5mA LDO Logic-Controlled Output Energy Storage Capability for Operation During Power Interruption Power Good Indicator Uses Compact Step-up Transformers Small, 20-lead (4mm × 4mm) QFN Package or 20-Lead SSOP

15A DC/DC Module (Power Module) Regulator Features: Complete 15A Switch Mode Power Supply Wide Input Voltage Range: 4.5V to 20V 0.6V to 5V Output Range ±1.5% Total DC Output Error Differential Remote Sense Amplifier for Precision Regulation Current Mode Control/Fast Transient Response Frequency Synchronization Parallel Current Sharing (Up to 60A) Selectable Pulse-Skipping or Burst Mode® Operation Soft-Start/Voltage Tracking Up to 93% Efficiency (12VIN, 3.3VOUT) Overcurrent Foldback Protection Output Overvoltage Protection Small Surface Mount Footprint, Low Profile 15mm × 15mm × 4.32mm LGA and 15mm × 15mm × 4.92mm BGA Packages

3.1VIN to 32VIN Isolated Module (Power Module) DC/DC Converter Features: Complete Switch Mode Power Supply 725VDC Isolation Wide Input Voltage Range: 3.1V to 32V Up to 440mA Output Current (VOUT = 2.5V) 2.5V to 12V Output Voltage Current Mode Control Programmable Soft-Start User Configurable Undervoltage Lockout SnPb or RoHS Compliant Finish Low Profile (11.25mm × 9mm × 4.92mm) Surface Mount BGA Package