25A, Dual PolyPhase Regulator with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read-Back Includes VIN, IIN, VOUT, IOUT, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV/OC Sub-Milliohm DCR Current Sensing Digitally Adjustable Loop Compensation Parameters 0.5% Output Voltage Accuracy Over Temperature Integrated Input Current Sense Amplifier Internal EEPROM with ECC and Fault Logging Integrated N-Channel MOSFET Gate Drivers

High Efficiency, 2-Phase Synchronous Step-Down Switching Regulators Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 14V Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Power Good Output Voltage Monitor Phase-Lockable Fixed Frequency 250kHz to 550kHz Dual N-Channel MOSFET Synchronous Drive Wide VIN Range: 4V to 36V Operation Very Low Dropout Operation: 99% Duty Cycle Adjustable Soft-Start Current Ramping Foldback Output Current Limiting Output Overvoltage Protection Low Shutdown IQ: 20µA Selectable Constant Frequency or Burst Mode® Operation Small 28-Lead SSOP Package

1kHz-3GHz High Signal Level Active Mixer Features: Broadband RF, LO and IF Operation High Input IP3: >20dBm from 30MHz to 900MHz +17dBm at 1900MHz Typical Conversion Gain: 1dB SSB Noise Figure: 11dB at 900MHz 14dB at 1900MHz Integrated LO Buffer: Insensitive to LO Drive Level Single-Ended or Differential LO Drive High LO-RF Isolation Enable Function 4.5V to 5.25V Supply Voltage Range 4mm x 4mm QFN Package

Dual Smart Battery System Manager Features: SMBus Charger/Selector for Two Smart Batteries* Voltage and Current Accuracy within 0.2% of Value Reported by Battery Simplifies Construction of “Smart Battery System Manager” Includes All SMBus Charger V1.1 Safety Features Supports Autonomous Operation without a Host Allows Both Batteries to Discharge Simultaneously into Single Load with Low Loss (Ideal Diode) SMBus Switching for Dual Batteries with Alarm Monitoring for Charging Battery at All Times Pin Programmable Limits for Maximum Charge Current and Voltage Improve Safety Fast Autonomous Power Path™ Switching (<10µs) Low Loss Simultaneous Charging of Two Batteries >95% Efficient Synchronous Buck Charger AC Adapter Current Limiting* Maximizes Charge Rate SMBus Accelerator Improves SMBus Timing** Available in 48-Lead TSSOP Package

1kHz-3GHz High Signal Level Active Mixer Features: Broadband RF, LO and IF Operation High Input IP3: >20dBm from 30MHz to 900MHz +17dBm at 1900MHz Typical Conversion Gain: 1dB SSB Noise Figure: 11dB at 900MHz 14dB at 1900MHz Integrated LO Buffer: Insensitive to LO Drive Level Single-Ended or Differential LO Drive High LO-RF Isolation Enable Function 4.5V to 5.25V Supply Voltage Range 4mm x 4mm QFN Package

White LED Step-Up Converter in SC70 and ThinSOT Features: Inherently Matched LED Current High Efficiency: 84% Typical Drives Up to Four LEDs from a 3.2V Supply Drives Up to Six LEDs from a 5V Supply 36V Rugged Bipolar Switch Fast 1.2MHz Switching Frequency Uses Tiny 1mm Tall Inductors Requires Only 0.22µF Output Capacitor Low Profile SC70 and ThinSOT™ Packaging

Triple Output Power Supply for Small TFT-LCD Displays Features: Generates Three Voltages: 5.1V at 10mA 5V, -10V, or -15V at 500µA 10V or 15V at 500µA Better than 90% Efficiency Low Output Ripple: Less than 5mVP-P Complete 1mm Component Profile Solution Controlled Power-Up Sequence: AVDD/VGL/VGH All Outputs Disconnected and Actively Discharged in Shutdown Low Noise Fixed Frequency Operation Frequency Reduction Input for High Efficiency in Blank Mode Ultralow Quiescent Current: 75µA (Typ) in Scan Mode Available in a 3mm × 3mm 16-Pin QFN Package

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