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LM5107 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LM5107 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 10 page LM5107 100V / 1.4A Peak Half Bridge Gate Driver General Description The LM5107 is a low cost high voltage gate driver, designed to drive both the high side and the low side N-Channel MOSFETs in a synchronous buck or a half bridge configura- tion. The floating high-side driver is capable of working with rail voltages up to 100V. The outputs are independently controlled with TTL compatible input thresholds. An inte- grated on chip high voltage diode is provided to charge the high side gate drive bootstrap capacitor. A robust level shifter technology operates at high speed while consuming low power and providing clean level transitions from the control input logic to the high side gate driver. Under-voltage lockout is provided on both the low side and the high side power rails. The device is available in the SOIC-8 and the thermally enhanced LLP-8 packages. Features n Drives both a high side and low side N-Channel MOSFET n High peak output current (1.4A sink / 1.3A source) n Independent TTL compatible inputs n Integrated bootstrap diode n Bootstrap supply voltage to 118V DC n Fast propagation times (27 ns typical) n Drives 1000 pF load with 15ns rise and fall times n Excellent propagation delay matching (2 ns typical) n Supply rail under-voltage lockout n Low power consumption n Pin compatible with ISL6700 Typical Applications n Current Fed push-pull converters n Half and Full Bridge power converters n Solid state motor drives n Two switch forward power converters Package n SOIC-8 n LLP-8 (4 mmx4mm) Simplified Block Diagram 20130001 FIGURE 1. February 2005 © 2005 National Semiconductor Corporation DS201300 www.national.com |
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