Digitally Controlled Programmable Gain Amplifiers in SOT-23 Features: 3-Bit Digital Gain Control in Three Gain-Code Options Rail-to-Rail Input Range Rail-to-Rail Output Swing Single or Dual Supply: 2.7V to 10.5V Total 11MHz Gain Bandwidth Product Input Noise Down to 8nV/√Hz System Dynamic Range to 120dB Input Offset Voltage: 1.5mV 8-Pin Low Profile (1mm) SOT-23 (ThinSOT™) Package

Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT Features: Programmable Charge Current Up to 800mA No MOSFET, Sense Resistor or Blocking Diode Required Complete Linear Charger in ThinSOT™ Package for Single Cell Lithium-Ion Batteries Constant-Current/Constant-Voltage Operation with Thermal Regulation* to Maximize Charge Rate Without Risk of Overheating Charges Single Cell Li-Ion Batteries Directly from USB Port Preset 4.2V Charge Voltage with ±1% Accuracy Charge Current Monitor Output for Gas Gauging* Automatic Recharge Charge Status Output Pin C/10 Charge Termination 25µA Supply Current in Shutdown 2.9V Trickle Charge Threshold (LTC4054) Available Without Trickle Charge (LTC4054X) Soft-Start Limits Inrush Current Available in 5-Lead SOT-23 Package

High Voltage 3A, 500kHz Step-Down Switching Regulator with 100A Quiescent Current Features: Wide Input Range: 3.3V to 60V 3A Peak Switch Current Burst Mode® Operation: 100µA Quiescent Current Low Shutdown Current: IQ < 1µA Power Good Flag with Programmable Threshold Load Dump Protection to 60V 500kHz Switching Frequency Saturating Switch Design: 0.1Ω On-Resistance Peak Switch Current Maintained Over Full Duty Cycle Range 1.25V Feedback Reference Voltage Easily Synchronizable Soft-Start Capability Small 16-Pin Thermally Enhanced TSSOP Package

Very High Linearity Active Mixer Features: Wideband Output Frequency Range to 3.7GHz +24.2dBm IIP3 at 1.95GHz RF Output Low LO Leakage: –42dBm Integrated LO Buffer: Low LO Drive Level Single-Ended LO Drive Wide Single Supply Range: 3.15V to 5.25V Double-Balanced Active Mixer Shutdown Function 16-Lead (4mm × 4mm) QFN Package

3A, 4MHz, Monolithic Synchronous Step-Down Regulator Features: High Efficiency: Up to 95% 3A Output Current Low Quiescent Current: 64μA Low RDS(ON) Internal Switch: 77mΩ 2.25V to 5.5V Input Voltage Range Programmable Frequency: 300kHz to 4MHz ±2% Output Voltage Accuracy 0.8V Reference Allows Low Output Voltage Selectable Forced Continuous/Burst Mode® Operation with Adjustable Burst Clamp Synchronizable Switching Frequency Low Dropout Operation: 100% Duty Cycle Power Good Output Voltage Monitor Overtemperature Protected Available in 16-Lead Exposed Pad TSSOP and QFN Packages

Dual 550kHz Synchronous 2-Phase DC/DC Controller with Programmable Up/Down Tracking Features: Wide VIN Range: 3V to 30V Operation with Line Feedforward Compensation Leading Edge Modulation Architecture for Extremely Low Duty Cycle Operation Phase-Lockable Fixed Frequency: 330kHz to 750kHz Two 180° Out-of-Phase Controllers Fast Programmable Power-Up/-Down Tracking Programmable Current Limit Without External Current Sense Resistor Optional Burst Mode® Operation at Light Load ±1% 0.6V Voltage Reference External N-Channel MOSFET Architecture Low Shutdown Current: <100µA Overvoltage Protection and PGOOD Flag Small 28-Lead SSOP and 32-Lead QFN Packages

Photoflash Capacitor Chargers with Automatic Refresh Features: Charges 220µF to 320V in 3.7 Seconds from 5V (LT3420) Charges 100µF to 320V in 3.5 Seconds from 5V (LT3420-1) Charges Any Size Photoflash Capacitor Supports Operation from Two AA Cells or Any Supply from 1.8V to 16V Controlled Peak Switch Current: 1.4A (LT3420) 1.0A (LT3420-1) Controlled Input Current: 840mA (LT3420) 450mA (LT3420-1) Uses Standard Transformers Efficient Flyback Operation (>75% Typical) Adjustable Output Automatic Refresh Charge Complete Indicator No High Voltage Zener Diode Required No Output Voltage Divider Required Small 10-Lead MSOP Package Small 10-Lead (3mm × 3mm) DFN Package

4A, 2MHz Dual Phase Step-Up DC/DC Converter in 3mm 3mm DFN Features: High Efficiency: Up to 92% 2-Phase Control Reduces Output Voltage Ripple 5V at 2A from 3.3V Input 3.3V at 1.5A from 1.8V Input 1.6V to 5.25V Adjustable Output Voltage 1.6V to 4.5V Input Range Internal Soft-Start Operation Low Shutdown Current: <1µA Uses Small Surface Mount Components 10-Pin 3mm × 3mm DFN Package

IC Multidisplay LED Controller Features: Step-Up/Direct-Connect Fractional Charge Pump Provides Up to 92% Efficiency Up to 400mA Continuous Output Current Independent Current and Dimming Control for 1-6 LED MAIN, 1-4 LED SUB and RGB LED Displays LED Currents Programmable Using 2-Wire I2C™ Serial Interface 1% LED Current Matching Low Noise Constant Frequency Operation* Minimal Component Count Automatic Soft-Start Limits Inrush Current 16 Exponentially Spaced Dimming States Provides 128:1 Brightness Range for MAIN and SUB Displays Up to 4096 Color Combinations for RGB Display Low Operating Current: IVIN = 180µA Tiny, Low Profile 24-Lead (4mm × 4mm × 0.75mm) QFN Package

12-Bit, 170Msps ADCs Features: Sample Rate: 170Msps/135Msps 67.5dB SNR up to 140MHz Input 80dB SFDR up to 170MHz Input 775MHz Full Power Bandwidth S/H Single 3.3V Supply Low Power Dissipation: 890mW/660mW LVDS, CMOS, or Demultiplexed CMOS Outputs Selectable Input Ranges: ±0.5V or ±1V No Missing Codes Optional Clock Duty Cycle Stabilizer Shutdown and Nap Modes Data Ready Output Clock Pin Compatible Family 185Msps: LTC2220-1 (12-Bit) 170Msps: LTC2220 (12-Bit), LTC2230 (10-Bit) 135Msps: LTC2221 (12-Bit), LTC2231 (10-Bit) 64-Pin 9mm × 9mm QFN Package