LM5109B High Voltage 1A Peak Half Bridge Gate Driver
February 2007
LM5109B
High Voltage 1A Peak Half Bridge Gate Driver
General Description
The LM5109B is a cost effective, high voltage gate driver de-
signed to drive both the high-side and the low-side N-Channel
MOSFETs in a synchronous buck or a half bridge configura-
tion. The floating high-side driver is capable of working with
rail voltages up to 90V. The outputs are independently con-
trolled 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 low-side and the high-side power rails.
The device is available in the SOIC-8 and the thermally en-
hanced LLP-8 packages.
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Fast propagation times (30 ns typical)
Drives 1000 pF load with 15ns rise and fall times
Excellent propagation delay matching (2 ns typical)
Supply rail under-voltage lockout
Low power consumption
Pin compatible with ISL6700
Typical Applications
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Current Fed push-pull converters
Half and Full Bridge power converters
Solid state motor drives
Two switch forward power converters
Features
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Drives both a high-side and low-side N-Channel MOSFET
1A peak output current (1.0A sink / 1.0A source)
Independent TTL compatible inputs
Bootstrap supply voltage to 108V DC
Package
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SOIC-8
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LLP-8 (4 mm x 4 mm)
Simplified Block Diagram
20211901
FIGURE 1.
漏 2007 National Semiconductor Corporation
202119
www.national.com
LM5109BMA相关型号PDF文件下载
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英文版
Seoul Semiconductor [RED LAMP LED]
SEOUL
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英文版
High Voltage High Side and Low Side Gate Driver
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High Voltage High Side and Low Side Gate Driver
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High Voltage High Side and Low Side Gate Driver
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High Voltage High Side and Low Side Gate Driver
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High Voltage Half-Bridge Gate Driver with Programmable Delay
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High Voltage Half-Bridge Gate Driver with Programmable Delay
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High Voltage Half-Bridge Gate Driver with Adaptive Delay
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High Voltage Half-Bridge Gate Driver with Adaptive Delay
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100V Half Bridge Gate Driver with Programmable Dead-time
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100V Half Bridge Gate Driver with Programmable Dead-time
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100V Half Bridge Gate Driver with Programmable Dead-Time
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100V / 1.4A Peak Half Bridge Gate Driver
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100V / 1.4A Peak Half Bridge Gate Driver
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100V / 1A Peak Half Bridge Gate Driver
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100V / 1A Peak Half Bridge Gate Driver
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Dual 5A Compound Gate Driver with Negative Output Voltage Ca...
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Dual 5A Compound Gate Driver with Negative Output Voltage Ca...
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Dual 5A Compound Gate Driver
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