TPS51120 Overview
Key Specifications
Package: VQFN
Pins: 32
Operating Voltage: 5.5 V
Max Voltage (typical range): 28 V
Description
The TPS51120 is a highly sophisticated dual, synchronous step-down controller. It is a full featured controller designed to run directly off a three- or fourcell Li-ion battery and provide high-power and 5-V and/or 3.3-V standby regulation for all the downstream circuitry in a notebook computer system.
Key Features
- 1 3.3-V and 5-V 100-mA Bootstrapped Standby Regulators with Independent Enables
- Selectable D-CAP™ Mode Enables Fast Transient Response Less than 100 ns
- Selectable Low Ripple Current Mode
- Less than 1% Internal Reference Accuracy
- Selectable PWM-only/Auto-skip Modes
- Low-side RDS(on) Loss-less Current Sensing
- RSENSE Accurate Current Sense Option
- Internal Soft-Start and Integrated VOUT Discharge Transistors
- Integrated 2-V Reference
- Adaptive Gate Drivers with Integrated Boost Diode
