LM5161 Overview
Description
The LM5161 is a 100-V, 1-A synchronous step-down converter with integrated high-side and low-side MOSFETs. The constant-ON-time control scheme requires no loop compensation and supports high step-down ratios with fast transient response.
Key Features
- 1 Wide 4.5-V to 100-V Input Voltage Range
- Integrated High-Side and Low-Side Switches – No Schottky Diode Required
- 1-A Maximum Load Current
- Constant ON-Time Control – No External Loop Compensation – Fast Transient Response
- Selectable DCM Buck Operation at Light Load
- CCM Option Supports Multi-Output Fly-Buck™
- No External Ripple circuit needed (at FPWM =
- Nearly Constant Switching Frequency
- Frequency Adjustable Up to 1 MHz
- Programmable Soft-Start Time
