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LM5145 SNVSAI4B – NOVEMBER 2017 – REVISED NOVEMLBMER52104250
SNVSAI4B – NOVEMBER 2017 – REVISED NOVEMBER 2020
LM5145 75-V Synchronous Buck DC/DC Controller With Wide Duty Cycle Range
1 Features
2 Applications
• Versatile synchronous buck DC/DC controller – Wide input
voltage range of 6 V to 75 V – 0.
8-V reference with ±1% feedback accuracy – Adjustable output
voltage from 0.
8 V to 60 V – 40-ns tON(min) for high VIN / VOUT ratio – 140-ns tOFF(min) for low dropout – Optimized for CISPR 32 requirements
• Switching frequency from 100 kHz to 1 MHz – SYNC In and SYNC Out capability – Selectable diode emulation or FPWM
• 7.
5-V gate drivers for standard VTH
MOSFETs – 14-ns adaptive d...