12V, 30mA Flash Memory Programming Supply Features: Regulated 12V ±5% Output Voltage No Inductors Supply Voltage Range: 4.75V to 5.5V Guaranteed 30mA Output Low Power: Icc = 500µA Icc in Shutdown: 0.5µA 8-Pin PDIP or SO-8 Package

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

Clock-Tunable, Quad Second Order, Filter Building Blocks Features: Four Identical 2nd Order Filter Sections in an SSOP Package 2nd Order Section Center Frequency Error: ±0.3% Typical and ±0.8% Maximum Low Noise per 2nd Order Section, Q ≤ 5: LTC1068-200 50µVRMS, LTC1068 50µVRMS  LTC1068-50 70µVRMS, LTC1068-25 90µVRMS Low Power Supply Current: 4.5mA, Single 5V, LTC1068-50 Operation with ±5V Power Supply, Single 5V Supply or Single 3.3V Supply

500mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm 2mm DFN Features: Delivers 3.3V at 100mA from a Single Alkaline/NiMH Cell or 3.3V at 200mA from Two Cells VIN Start-Up Voltage: 850mV 1.6V to 5.25V VOUT Range Up to 94% Efficiency Output Disconnect 1MHz Fixed Frequency Operation VIN > VOUT Operation Integrated Soft-Start Current Mode Control with Internal Compensation Automatic Burst Mode® Operation with 9μA Quiescent Current (LTC3526) Low Noise PWM Operation (LTC3526B) Internal Synchronous Rectifier Logic Controlled Shutdown (IQ < 1μA) Anti-Ringing Control Low Profile (2mm × 2mm × 0.75mm) DFN 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