Part # LM5101 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: LM5100 LM5101 High Voltage High Side and Low Side Gate Driver


Part Details:

LM5100/LM5101 March 2005 LM5100/LM5101High Voltage High Side and Low Side Gate DriverGeneral Description n Bootstrap supply voltage range up to 118V DC High n Fast propagation times (25 ns typical) The LM5100/LM5101 High Voltage Gate Drivers are de- n Drives 1000 pF load with 15 ns rise and fall times signed to drive both the high side and the low sideN-Channel MOSFETs in a synchronous buck or a half bridge n Excellent propagation delay matching (3 ns typical) configuration. The floating high-side driver is capable of n Supply rail under-voltage lockouts Voltage operating with supply voltages up to 100V. The outputs are n Low power consumption independently controlled with CMOS input thresholds n Pin compatible with HIP2100/HIP2101 (LM5100) or TTL input thresholds (LM5101). An integratedhigh voltage diode is provided to charge the high side gate Typical Applications drive bootstrap capacitor. A robust level shifter operates at n Current Fed push-pull converters High high speed while consuming low power and providing cleanlevel transitions from the control logic to the high side gate n Half and Full Bridge power converters driver. Under-voltage lockout is provided on both the low n Synchronous buck converters side and the high side power rails. This device is available in n Two switch forward power converters Side the standard SOIC-8 pin and the LLP-10 pin packages. n Forward with Active Clamp converters Features Package and n Drives both a high side and low side N-Channel n SOIC-8 MOSFET n LLP-10 (4 mm x 4 mm) n Independent high and low driver logic inputs (TTL for Low LM5101 or CMOS for LM5100) Simplified Block Diagram Side Gate Driver 20088803 FIGURE 1. © 2005 National Semiconductor Corporation DS200888 www.national.com Connection Diagrams LM5100/LM5101 20088801 20088802


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LM5101.pdf Datasheet