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MIC4102

Description
100V Half Bridge MOSFET Driver with Anti-Shoot Through Protection
File Size976KB,28 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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MIC4102 Overview

100V Half Bridge MOSFET Driver with Anti-Shoot Through Protection

MIC4102
100V Half-Bridge MOSFET Driver
with Anti-Shoot-Through Protection
Features
• Drives High- and Low-Side N-Channel MOSFETs
with Single Input
• Adaptive Anti-Shoot-Through Protection
• Low-Side Drive Disable Pin
• Bootstrap Supply Voltage to 118V DC
• Supply Voltage up to 16V
• TTL Input Thresholds
• On-Chip Bootstrap Diode
• Fast 30 ns Propagation Times
• Drives 1000 pF Load with 10 ns Rise and Fall
Times
• Low Power Consumption
• Supply Undervoltage Protection
• 2.5Ω Pull-Up, 1.5Ω Pull-Down Output Resistance
• Space Saving SOIC-8L Package
• –40°C to +125°C Junction Temperature Range
General Description
The MIC4102 is a high frequency, 100V half-bridge
MOSFET driver IC featuring internal anti-shoot-through
protection. The low-side and high-side gate drivers are
controlled by a single input signal to the PWM pin. The
MIC4102 implements adaptive anti-shoot-through
circuitry to optimize the switching transitions for
maximum efficiency. The single input control also
reduces system complexity and greatly simplifies the
overall design.
The MIC4102 also features a low-side drive disable
pin. This gives the MIC4102 the capability to operate in
a non-synchronous buck mode. This feature allows the
MIC4102 to start up into applications where a bias
voltage may already be present without pulling the
output voltage down.
Undervoltage protection on both the low-side and
high-side supplies forces the outputs low. An on-chip
bootstrap diode eliminates the discrete diode required
with other driver ICs.
The MIC4102 is available in the SOIC-8L package with
a junction operating range from –40°C to +125°C.
Applications
High Voltage Buck Converters
Networking/Telecom Power Supplies
Automotive Power Supplies
Current-Fed Push-Pull Power Topologies
Ultrasonic Drivers
Avionic Power Supplies
Typical Application Schematic
MIC4102
SOIC-8L
9V TO 16V BIAS
100V SUPPLY
VDD
HB
MIC4102
PWM
CONTROLLER
HI
LS
HO
V
OUT
HS
GND
LO
2016 Microchip Technology Inc.
DS20005575A-page 1

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