Microchip MIC4101 Handleiding

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MIC4100/1

Features

•Bootstrap Supply Voltage to 118V DC

•Supply Voltage up to 16V

•Drives High- and Low-Side N-Channel MOSFETs

with Independent Inputs

•CMOS Input Thresholds (MIC4100)

•TTL Input Thresholds (MIC4101)

•On-Chip Bootstrap Diode

•Fast 30ns Propagation Times

•Drives 1000pF Load with 10 ns Rise and Fall

Times

•Low Power Consumption

•Supply Undervoltage Protection

•3Ω Pull-Up, 3Ω Pull-Down Output Resistance

•Space Saving 8-Lead SOIC Package

•–40°C to +125°C Junction Temperature Range

Applications

•High Voltage Buck Converters

•Push-Pull Converters

•Full- and Half-Bridge Converters

•Active Clamp Forward Converters

General Description

The MIC4100 and MIC4101 are high frequency, 100V

half-bridge MOSFET driver ICs that feature fast 30ns

propagation delay times. The low-side and high-side

gate drivers are independently controlled and matched

to within 3 ns typical. The MIC4100 has CMOS input

thresholds and the MIC4101 has TTL input thresholds.

The MIC4100/1 include a high voltage internal diode

that charges the high-side gate drive bootstrap

capacitor.

A robust, high-speed, and low-power level shifter

provides clean level transitions to the high-side output.

The robust operation of the MIC4100/1 ensure the

outputs are not affected by supply glitches, HS ringing

below ground, or HS slewing with high speed voltage

transitions. Undervoltage protection is provided on both

the low-side and high-side drivers.

The MIC4100/1 is available in the 8-lead SOIC

package with a junction operating range from

–40°C to +125°C.

Typical Application Schematic

MIC4100/1

HI

MIC4100/1

SOIC-8

PWM

Controller LI

HO

HS

LO

HB

VDD

9V to 16V Bias

100V Supply

GND

V

OUT

100V Half-Bridge MOSFET Drivers

Product specificaties