6.5 V, 1 A, Ultralow Noise, High PSRR, Fast Transient Response CMOS LDO Features: Input voltage range: 2.3 V to 6.5 V Maximum load current: 1 A Low noise: 5 μV rms independent of output voltage at 100 Hz to 100 kHz Fast transient response: 1.5 μs for 1 mA to 500 mA load step 60 dB PSRR at 100 kHz Low dropout voltage: 42 mV at 500 mA load, VOUT = 3 V Initial accuracy: −0.5% (minimum), +1% (maximum) Accuracy over line, load, and temperature: ±1.5% Quiescent current, IGND = 0.7 mA with no load Low shutdown current: 0.25 μA at VIN = 5 V Stable with small 4.7 μF ceramic output capacitor Adjustable and fixed output voltage options: 1.2 V to 5.0 V Adjustable output from 1.2 V to VIN − VDO Precision enable Adjustable soft start 8-lead, 3 mm × 3 mm LFCSP package Supported by ADIsimPower tool

Supervisory Circuit with Manual Reset, Active-Low Open-Drain and Active-High Push-Pull Reset Outputs Features: 27 reset threshold options 2.5 V to 5 V in 100 mV increments 4 reset timeout options 1 ms, 20 ms, 140 ms, and 1120 ms (minimum) 4 watchdog timeout options 6.3 ms, 102 ms, 1.6 sec, and 25.6 sec (typical) Manual reset input Multiple reset output options Low power consumption Specified over wide temperature range (−40°C to +125°C) Qualified for automotive applications 5-lead SOT-23 package

Ultralow Power Voltage Detector with Disable Input and Low Threshold Voltages Features: Ultralow power consumption with ICC = 92 nA (typical) Precision, low voltage monitoring Pretrimmed voltage monitoring threshold options 20 options from 0.5 V to 1.9 V ±1.3% threshold accuracy over full temperature range Output disable input 23 µs to 26 µs typical propagation delay Open-drain type output Power supply glitch immunity Available in a 1.46 mm × 0.96 mm WLCSP Operational temperature range: −40°C to +85°C

High Efficiency Battery Charger/USB Power Manager Features: Switching Regulator Makes Optimal Use of Limited Power Available from USB Port to Charge Battery  and Power Application 180mΩ Internal Ideal Diode Plus Optional External Ideal Diode Controller Seamlessly Provides Low  Loss Power Path When Input Power is Limited or  Unavailable Full Featured Li-Ion/Polymer Battery Charger VBUS Operating Range: 4.25V to 5.5V (7V Absolute  Maximum—Transient) 1.2A Maximum Input Current Limit 1.5A Maximum Charge Current with Thermal Limiting Bat-Track Adaptive Output Control Slew Control Reduces Switching EMI Low Profile (0.75mm) 14-Lead 4mm × 3mm DFN Package

Micropower Low Noise Boost Converters with Output Disconnect Features: Low Quiescent Current 65µA in Active Mode 1µA in Shutdown Mode Switching Frequency is Non-Audible Over Entire Load Range Integrated Power NPN: 350mA Current Limit (LT3494A) 180mA Current Limit (LT3494) Integrated Schottky Diode Integrated Output Disconnect Integrated Output Dimming Wide Input Range: 2.3V to 16V Wide Output Range: Up to 40V Tiny 8-Lead 3mm × 2mm DFN Package

2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT Features: High Efficiency: Up to 95% Low Output Ripple (<20mVP-P): Burst Mode® Operation: IQ = 16µA 2.5V to 5.5V Input Voltage Range 2.25MHz Constant Frequency Operation Synchronizable to External Clock No Schottky Diode Required Stable with Ceramic Capacitors Low Dropout Operation: 100% Duty Cycle 0.6V Reference Allows Low Output Voltages Shutdown Mode Draws < 1µA Supply Current ±2% Output Voltage Accuracy Current Mode Operation for Excellent Line and Load Transient Response Overtemperature Protected Low Profile (1mm) ThinSOT™ Package

Half-Bridge N-Channel Power MOSFET Driver with Boost Regulator Features: Floating Top Driver Switches Up to 60V Internal Boost Regulator for DC Operation 180ns Transition Times Driving 10,000pF Adaptive Nonoverlapping Gate Drives Prevent Shoot-Through Drives Gate of Top N-Channel MOSFET Above Supply Top Drive Maintained at High Duty Cycles TTL/CMOS Input Levels Undervoltage Lockout with Hysteresis Operates at Supply Voltages from 10V to 15V Separate Top and Bottom Drive Pins

Secondary-Side Synchronous Forward Controller Features: Secondary-Side Control for Fast Transient Response Self-Starting Architecture Eliminates Need for Separate Bias Regulator Proprietary Gate Drive Encoding Scheme Reduces System Complexity Current Mode Control Ensures Current Sharing PLL Fixed Frequency: 100kHz to 500kHz ±1% Output Voltage Accuracy OPTI-LOOP Compensation Available in a Narrow 16-Lead SSOP Package

Secondary-Side Synchronous Forward Controller Features: Secondary-Side Control for Fast Transient Response Self-Starting Architecture Eliminates Need for Separate Bias Regulator Proprietary Gate Drive Encoding Scheme Reduces System Complexity Current Mode Control Ensures Current Sharing PLL Fixed Frequency: 100kHz to 500kHz ±1% Output Voltage Accuracy OPTI-LOOP Compensation Available in a Narrow 16-Lead SSOP Package

Standalone USB Li-Ion/Polymer Battery Charger in 2mm x 2mm DFN Features: Full-Featured Standalone USB Li-Ion/Polymer Battery Charger 100mA to 950mA Programmable Charge Current C/10 Charge Current Detection Output Internal Safety Timer Termination NTC Thermistor Input for Temperature Qualified Charging Preset 4.2V Float Voltage with 0.5% Accuracy Constant-Current/Constant-Voltage Operation with Thermal Feedback Charge Current Monitor Output for Gas Gauging Automatic Recharge Bad-Battery Detection 8.5µA Input Supply Current in Suspend Mode Tiny 8-Lead (2mm × 2mm) DFN Package