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TI LM5109BSD/NOPB product image
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TI LM5109BSD/NOPBRoHS

Manufacturer
TI
MPN
LM5109BSD/NOPB
LCSC Part #
C544701
Packaging
WSON-8-EP(4x4)
Customer #
Key Attributes
High-voltage 1A peak half-bridge gate driver
Datasheetpdf iconTI LM5109BSD/NOPB
In-Stock: 1,011
1,011 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
1+$ 0.8339$ 0.83
10+$ 0.7085$ 7.09
30+$ 0.6189$ 18.57
100+$ 0.5456$ 54.56
500+$ 0.5228$ 261.40
1,000+$ 0.5098$ 509.80
Standard Packaging1000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Gate Drivers
ManufacturerTI
PackagingWSON-8-EP(4x4)
Input Logic Level - Low1.8V
Low Level Delay Time32ns
High Level Delay Time30ns
Quiescent Current300uA
Input Logic Level - High1.8V
Operating Temperature-40℃~+125℃
Voltage - Supply8V~14V
Driven ConfigurationHalf-Bridge
Current - Output Low(IOL)1A
Rise Time15ns
Fall Time15ns
FeaturesUnder Voltage Protection;Enable shutdown
Current - Output High(IOH)1A
Load TypeMOSFET
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging1000
Sales UnitPiece

Introduction

AI Translation

The LM5109B device is a cost-effective high-voltage gate driver designed to drive high-side and low-side N-channel MOSFETs in synchronous buck or half-bridge configurations. The floating high-side driver can operate with supply rail voltages up to 90V. The outputs are independently controlled via cost-effective TTL- and CMOS-compatible input thresholds. A robust level-shifting technique combines high operating speed and low power consumption and provides clean level shifting from the control input logic to the high-side gate driver. The device provides undervoltage lockout on both the low-side and high-side supply rails. The device is available in an 8-pin SOIC and a thermally enhanced 8-pin WSON package.

Features

AI Translation
  • Drives high-side and low-side N-channel MOSFETs
  • 1A peak output current (1.0A sink and 1.0A source)
  • TTL and CMOS compatible inputs
  • Bootstrap supply voltage up to 108VDC
  • Short propagation time (30ns typical)
  • Drives 1000pF loads with 15ns rise and fall times
  • Excellent propagation delay matching (2ns typical)
  • Supply rail UVLO support
  • Low power consumption
  • 8-pin SOIC and thermally enhanced 8-pin WSON packages

Applications

AI Translation
  • Current feedback push-pull converters
  • Half-bridge and full-bridge power converters
  • Solid-state motor drives
  • Double-switch forward power converters