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TI LM5109BMAX/NOPB product image
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  • Pinout Diagram
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TI LM5109BMAX/NOPBRoHS

Manufacturer
TI
MPN
LM5109BMAX/NOPB
LCSC Part #
C116862
Packaging
SOIC-8
Customer #
Key Attributes
High-voltage 1A peak half-bridge gate driver
Datasheetpdf iconTI LM5109BMAX/NOPB
In-Stock: 10,291
10,291 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
1+$ 0.4333$ 0.43
10+$ 0.3424$ 3.42
30+$ 0.297$ 8.91
100+$ 0.258$ 25.80
500+$ 0.2467$ 123.35
1,000+$ 0.2402$ 240.20
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Gate Drivers
ManufacturerTI
PackagingSOIC-8
Input Logic Level - Low800mV~1.8V
Low Level Delay Time30ns
High Level Delay Time30ns
Quiescent Current300uA
Input Logic Level - High-
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 Packaging2500
Sales UnitPiece

Introduction

AI Translation

The LM5109B is a cost-effective, high-voltage gate driver designed to drive both the high-side and low-side N-channel MOSFETs in a synchronous buck or half-bridge configuration. The floating high-side driver is capable of operating with power rail voltages up to 90V. The outputs are independently controlled via cost-effective TTL and CMOS-compatible input thresholds. A robust level-shifting technology combines high operating speed with low power consumption, providing clean level transitions from the control input logic to the high-side gate driver. UVLO is provided on both the low-side and high-side power 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