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LM25101B

Part Number	LM25101B
Manufacturer	Texas Instruments
Description	Half-Bridge Gate Drivers
Published	Nov 7, 2021
Detailed Description	Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LM25101 SNVS...
Datasheet	LM25101B PDF File

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LM25101 SNVS859C – JULY 2012 – REVISED SEPTEMBER 2016 LM25101 3-A, 2-A, and 1-A 80-V Half-Bridge Gate Drivers 1 Features •1 Independent High and Low Driver Logic Inputs • Bootstrap Supply Voltage up to 100-V DC • Drives Both a High-Side and Low-Side N-Channel MOSFETs • Fast Propagation Times (25 ns Typical) • Drives 1000-pF Load With 8-ns Rise and Fall Times • Excellent Propagation Delay Matching (3 ns Typical) • Supply Rail Undervoltage Lockout • Low Power Consumption • Pin Compatible With HIP2100 and HIP2101 2 Applications • Motor-Controlled Drivers • Half and Full Bridge Power Converters • Synchronous Buck Converters • Two Switch Forward Power Converters • Forward With Active Clamp Converters • 48-V Server Power • Solar DC-DC and DC-AC Converters 3 Description The LM25101 high-voltage gate driver is designed to drive both the high-side and the low-side N-Channel MOSFETs in a synchronous buck or a half-bridge configuration.
The A version provides a full 3-A of gate drive while the B and C versions provide 2-A and 1-A, respectively.
The outputs are independently controlled with TTL input thresholds.
An integrated high voltage diode is provided to charge the high-side gate drive bootstrap capacitor.
A robust level shifter operates at high speed while consuming low power and providing clean level transitions from the control logic to the high-side gate driver.
Undervoltage lockout is provided on both the low-side and the highside power rails.
These devices are available in the standard 8-pin SOIC, 8-pin SO-PowerPAD, 8-pin WSON, 10-pin WSON, and 8-pin MSOP PowerPAD packages.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) MSOP PowerPAD (8) 3 mm × 3 mm WSON (8) 4 mm × 4 mm LM25101 WSON (10) 4 mm × 4 mm SO PowerPAD (8) 3.
9 mm × 4.
89 mm SOIC (8) 3.
91 mm × 4.
9 mm (1) For all available packages, see the orderable addendum at the end of the ...

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