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LM5085MY/NOPB

50V buck controller, PFET, 1A, VSSOP-8

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Manufacturer Part：

LM5085MY/NOPB

Package：

VSSOP-8 (3.0 x 3.0 x 0.9mm)

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Description

Product Overview

LM5085MY/NOPB from TI is a 50V PFET buck controller with 1A gate drive. Constant on-time. 50-1000kHz. Internal 1.25V reference. VSSOP-8.

Working Principle

Constant on-time (COT) controller drives external P-channel MOSFET. No oscillator; frequency set by on-time and external components. 1A gate drive for large FETs. Input 4.5-50V. Current limit via sense resistor.

Pin Description

Pin Name Function
1 VIN 4.5-50V input
2 ADJ Feedback (1.25V ref)
3 FB Output voltage sense
4 ISENSE Current sense
7 GATE PFET gate drive

Applications

  • Automotive 12V/24V buck
  • Industrial distributed power
  • High-voltage step-down

Alternative Models

Manufacturer Part Number Notes
TI LM5088MY/NOPB NFET version

LM5085MY/NOPB from TI is a 50V PFET buck controller with 1A gate drive. Constant on-time. 50-1000kHz. Internal 1.25V reference. VSSOP-8.

Constant on-time (COT) controller drives external P-channel MOSFET. No oscillator; frequency set by on-time and external components. 1A gate drive for large FETs. Input 4.5-50V. Current limit via sense resistor.

Pin Name Function
1 VIN 4.5-50V input
2 ADJ Feedback (1.25V ref)
3 FB Output voltage sense
4 ISENSE Current sense
7 GATE PFET gate drive
  • Automotive 12V/24V buck
  • Industrial distributed power
  • High-voltage step-down
Manufacturer Part Number Notes
TI LM5088MY/NOPB NFET version
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