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Data Sheet
LM5116 Wide Range Synchronous Buck
Controller
1 Features
- New, similar products
available:
- LM5148 80-V synchronous buck
controller with ultra-low IQ and DRSS
- LM5149 80-V synchronous buck
controller with ultra-low IQ and AEF
- Emulated peak current mode
- Wide operating range up to 100
V
- Low IQ shutdown (<
10 µA)
- Drives standard or logic level
MOSFETs
- Robust 3.5-A peak gate drive
- Free-run or synchronous operation
to 1 MHz
- Optional diode emulation
mode
- Programmable output from 1.215 V
to 80 V
- Precision 1.5% voltage
reference
- Programmable current limit
- Programmable soft start
- Programmable line undervoltage
lockout
- Automatic switch to external bias
supply
- HTSSOP-20 exposed pad
- Thermal shutdown
- Create a custom design using the LM5116 with the WEBENCH®
Power Designer
2 Applications
- Automotive infotainment
- Industrial DC-DC motor
drivers
- Automotive USB adapters
- Telecom servers
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