LM5161
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 pensation
- Fast Transient Response
- Selectable DCM Buck Operation at Light Load
- CCM Option Supports Multi-Output Fly-Buck™
- No External Ripple circuit needed (at FPWM = 0)
- Nearly Constant Switching Frequency
- Frequency Adjustable Up to 1 MHz
- Programmable Soft-Start Time
- Prebias Start-Up
- Peak Current Limiting Protection
- Adjustable Input UVLO and Hysteresis
- ±1% Feedback Voltage Reference
- Thermal Shutdown Protection
- Create a Custom Design Using the LM5161 With the WEBENCH® Power Designer
2 Applications
- Industrial Programmable Logic Controller
- IGBT Gate Drive Bias Supply
- Tele DC-DC Primary and Secondary Side
Bias
- E-Meter Power Line munication
- Low-Power (<12W), Isolated DC-DC (Fly-Buck)
3 Description
The LM5161 is a 100-V, 1-A synchronous step-down converter...