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MIC4100

Micrel Semiconductor
Part Number MIC4100
Manufacturer Micrel Semiconductor
Description 100V Half Bridge MOSFET Drivers
Published Apr 12, 2010
Detailed Description MIC4100/1 www.DataSheet4U.com 100V Half Bridge MOSFET Drivers General Description The MIC4100/1 are high frequency, 100...
Datasheet PDF File MIC4100 PDF File

MIC4100
MIC4100

Overview
MIC4100/1 www.
DataSheet4U.
com 100V Half Bridge MOSFET Drivers General Description The MIC4100/1 are high frequency, 100V Half Bridge MOSFET driver ICs featuring fast 30ns propagation delay times.
The low-side and high-side gate drivers are independently controlled and matched to within 3ns 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 highside 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 ensures 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 is available in the SOIC-8L package with a junction operating range from –40°C to +125°C.
Data sheets and support documentation can be found on Micrel’s web site at www.
micrel.
com.
Features • Bootstrap supply max 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 10ns rise and fall times • Low power consumption • Supply under-voltage protection • 3Ω pull up , 3Ω pull down output resistance • Space saving SOIC-8L 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 ___________________________________________________________________________________________________________ Typical Application 9V to 16V Bias 100V Supply VDD HB PWM Controller HI LI MIC4100 SO-8 HO HS V OUT GND LO 100V Buck Regulator Solution Micrel Inc.
• 2180 Fortune Drive • San Jose, CA 95131 • USA...


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