1.2MHz/2.2MHz Inverting DC/DC Converters in ThinSOT Features: Fixed Frequency 1.2MHz/2.2MHz Operation Very Low Noise: 1mVP-P Output Ripple –5V at 350mA from 5V Input –12V at 150mA from 5V Input Uses Small Surface Mount Components Wide Input Range: 2.6V to 16V Low Shutdown Current: <1µA Low VCESAT Switch: 400mV at 1A Pin-for-Pin Compatible with the LT1611 Low Profile (1mm) ThinSOT™ Package

3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller Features: 3-Phase Current Mode Controller with Onboard MOSFET Drivers ±5% Output Current Matching Optimizes Thermal Performance and Size of Inductors and MOSFETs Differential Amplifier Accurately Senses VOUT ±1% VREF Accuracy Over Temperature VOUT Range: 0.6V to 5.5V without Diffamp VOUT Range: 0.6V to (VCC – 1.2V) with Diffamp 250kHz to 600kHz Per Phase, PLL, Fixed Frequency PWM, Stage Shedding™ or Burst Mode® Operation OPTI-LOOP® Compensation Minimizes COUT Adjustable Soft-Start Current Ramping Short-Circuit Shutdown Timer with Defeat Option Overvoltage Soft Latch Adjustable Undervoltage Lockout Threshold Selectable Phase Output for Up to 12-Phase Operation Available in 5mm × 5mm QFN and 36-Pin Narrow (0.209') SSOP Packages

Dual Micropower Step-Up DC/DC Converter Features: Low Quiescent Current: 20µA in Active Mode <1µA in Shutdown Mode Operates with VIN as Low as 1.2V Low VCESAT Switches: 85mV at 70mA Uses Small Surface Mount Components High Output Voltage: Up to 34V Tiny 10-Pin MSOP 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

USB Compatible Lithium-Ion Battery Charger with Thermal Regulation Features: Charges Single-Cell Li-Ion Batteries Directly from USB Port Thermal Regulation Maximizes Charging Rate without Risk of Overheating* Programmable Charge Current with ±7% Accuracy Low Dropout Operation No External MOSFET, Sense Resistor or Blocking Diode Required Programmable Charge Termination Timer Preset Charge Voltage with ±1% Accuracy C/10 Charge Current Detection Output AC Present Logic Output 25µA Supply Current in Shutdown Mode Automatic Recharge Tiny Thermally Enhanced 10-Pin MSOP Package Charge Current Monitor Useful for Gas Gauging* Thermistor Input for Temperature Qualified Charging

Active Bias Controller Features: Automatic Gate voltage adjustment (No Calibration required) Supply Voltage: 4V to 12V Digital Voltage: 3.3V to 5V Controls both Enhancement and Depletion type devices Adjustable Drain Current up to 200mA Sink/Source Gate Current Capability Optional Internal negative voltage generation that can be disabled to use external negative rail Fast Enable/Disable Trigger-out Output for Daisy Chain Power-Up and Power-Down Sequencing

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

800 mA Ultralow Noise, High PSRR, RF Linear Regulator Features: Input voltage range: 4.5 V to 16 V Maximum output current: 800 mA Adjustable output from 1.5 V to 5.1 V Low noise 1.0 μV rms total integrated noise from 100 Hz to 100 kHz 1.6 μV rms total integrated noise from 10 Hz to 100 kHz Noise spectral density: 1.7 nV√Hz from 10 kHz to 1 MHz Power supply rejection ratio (PSRR) at 400 mA load >90 dB from 1 kHz to 100 kHz, VOUT = 5 V >60 dB at 1 MHz, VOUT = 5 V Dropout voltage: 0.6 V at VOUT = 5 V, 800 mA load Initial voltage accuracy: ±1% Voltage accuracy over line, load and temperature: ±2% Quiescent current (IGND): 4.3 mA at no load Low shutdown current: 0.1 μA Stable with a 10 μF ceramic output capacitor 8-lead LFCSP package and 8-lead SOIC package

2 A, Low VIN, Low Noise, CMOS Linear Regulator Features: 2 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bias supply required Fixed output voltage range: VOUT_FIXED = 0.9 V to 1.5 V Adjustable output voltage range: VOUT_ADJ = 0.5 V to 1.5 V Ultralow noise: 2 μV rms, 100 Hz to 100 kHz Noise spectral density 4 nV/√Hz at 10 kHz 3 nV/√Hz at 100 kHz Low dropout voltage: 62 mV typical at 2 A load Operating supply current: 4.5 mA typical at no load ±1.5% fixed output voltage accuracy over line, load, and temperature Excellent power supply rejection ratio (PSRR) performance 62 dB typical at 10 kHz at 2 A load 46 dB typical at 100 kHz at 2 A load Excellent load/line transient response Soft start to reduce inrush current Optimized for small 10 μF ceramic capacitors Current-limit and thermal overload protection Power-good indicator Precision enable 16-lead, 3 mm × 3 mm LFCSP package AEC-Q100 qualified for automotive applications

Integrated Power Solution with Quad Buck Regulators and Supervisory Circuits Features: Wide input voltage range: 4.5 V to 15.0 V ±1.5% output accuracy over full temperature range 250 kHz to 1.4 MHz adjustable switching frequency Adjustable/fixed output options via factory fuse Power regulation Channel 1 and Channel 2: programmable 1.2 A/2.5 A/4 A sync buck regulators with low-side FET driver Channel 3 and Channel 4: 1.2 A sync buck regulators Single 8 A output (Channel 1 and Channel 2 operated in parallel) Precision enable with 0.8 V accurate threshold Active output discharge switch FPWM or automatic PWM/PSM selection Frequency synchronization input or output Optional latch-off protection on OVP/OCP failure Power-good flag on selected channels UVLO, OCP, and TSD protection Open-drain processor reset with external adjustable threshold monitoring Watchdog refresh input Manual reset input