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LM5109A - High Voltage 1A Peak Half Bridge Gate Driver

Description

The LM5109A is a cost effective, high voltage gate driver designed to drive both the high-side and the low-side N-Channel MOSFETs in a synchronous buck or a half bridge configuration.

The floating high-side driver is capable of working with rail voltages up to 90V.

Features

  • n Drives both a high-side and low-side N-Channel MOSFET n 1A peak output current (1.0A sink / 1.0A source) n Independent TTL compatible inputs Package n SOIC-8 n LLP-8 (4 mm x 4 mm) Simplified Block Diagram 20170201 FIGURE 1. © 2006 National Semiconductor Corporation DS201702 www. national. com www. DataSheet. in LM5109A Connection Diagrams 20170202 20170203 FIGURE 2. Ordering Information Ordering Number LM5109AMA LM5109AMAX LM5109ASD LM5109ASDX Package Type SOIC-8 SOIC-8 LLP-8 LLP-8 N.

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LM5109A High Voltage 1A Peak Half Bridge Gate Driver April 2006 LM5109A High Voltage 1A Peak Half Bridge Gate Driver General Description The LM5109A is a cost effective, high voltage gate driver designed to drive both the high-side and the low-side N-Channel MOSFETs in a synchronous buck or a half bridge configuration. The floating high-side driver is capable of working with rail voltages up to 90V. The outputs are independently controlled with TTL compatible input thresholds. The robust level shift technology operates at high speed while consuming low power and providing clean level transitions from the control input logic to the high-side gate driver. Under-voltage lockout is provided on both the lowside and the high-side power rails.
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