LTC3852
Description
The LTC®3852 is a constant frequency, current mode step-down DC/DC controller which can be powered by an onboard charge pump.
Key Features
- n Charge Pump Input Range: 2.7V to 5.5V
- Controller Input Range: 4V to 38V
- Integrated Charge Pump Provides 5V Gate Drive to Logic Level MOSFETs
- RSENSE or DCR Current Sensing n ±1.25% Output Voltage Accuracy Over Temperature
- Phase-Lockable Fixed Frequency: 250kHz to 750kHz
- Power Good Output Voltage Monitor
- Adjustable Soft-Start Voltage Ramping
- Current Foldback Disabled During Start-Up
- No Reverse Current During Soft-Start
- Selectable Constant Frequency, Pulse-Skipping, or Burst Mode Operation
Applications
- Lithium-Ion Powered Devices
