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LM5109MAX-LM5109SD Fast Delivery,Good Price
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LM5109MAXNSN/a449avai100V / 1A Peak Half Bridge Gate Driver
LM5109SDNSN/a3000avai100V / 1A Peak Half Bridge Gate Driver


LM5109SD ,100V / 1A Peak Half Bridge Gate DriverGeneral Descriptionn Fast propagation times (27 ns typical)The LM5109 is a low cost high voltage ga ..
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LM5109MAX-LM5109SD
100V / 1A Peak Half Bridge Gate Driver
LM5109
100V/ 1A Peak Half Bridge Gate Driver
General Description

The LM5109isa low cost high voltage gate driver, designed drive both the high side and the low side N-Channel
MOSFETsina synchronous buckora half bridge configura-
tion. The floating high-side driveris capableof working with
rail voltagesupto 100V. The outputs are independently
controlled with TTL compatible input thresholds.A robust
level shifter technology operatesat high speed while con-
suming low power and providing clean level transitions from
the control input logicto the high side gate driver. Under-
voltage lockoutis providedon boththe low side andthe high
side power rails. The deviceis availablein the SOIC-8 and
the thermally enhanced LLP-8 packages.
Features
Drives botha high side and low side N-Channel
MOSFET 1A peak output current (1.0A sink/ 1.0A source) Independent TTL compatible inputs Bootstrap supply voltageto 118V DC Fast propagation times (27ns typical) Drives 1000pF load with 15ns rise andfall times Excellent propagation delay matching(2ns typical) Supplyrail under-voltage lockout Low power consumption Pin compatible with ISL6700
Typical Applications
Current Fed push-pull converters Half and Full Bridge power converters Solid state motor drives Two switch forward power converters
Package
SOIC-8 LLP-8(4 mmx4mm)
Simplified Block Diagram

FIGURE1.
April 2005
LM5109
100V
Peak
Half
Bridge
Gate
Driver
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