The LM25101A/B/C High Voltage Gate Drivers are 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” versions provide a full 3A of gate drive while the “B” and “C” versions provide 2A and 1A 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. Under-voltage lockout is provided on both the low-side and the high-side power rails. These devices are available in the standard SOIC-8 pin, SO Power Pad-8, WSON-8 (4 mm × 4 mm), WSON-10 (4 mm × 4 mm), and MSOP Power Pad-8 packages.

• Independent high and low driver logic inputs
• Bootstrap supply voltage up to 100V 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 under-voltage lockout
• Low power consumption
• Pin compatible with HIP2100/HIP2101

Typical Applications

• Motor controlled drivers
• Half and Full Bridge power converters
• Synchronous buck converters
• Two switch forward power converters
• Forward with Active Clamp converters
• 48V server power
• Solar DC/DC and DC/AC converters

Packages

• SOIC-8
• SO Power Pad-8
• WSON-8 (4 mm × 4 mm)
• WSON-10 (4 mm × 4 mm)
• MSOP Power Pad-8

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