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Description

General part information

LM5107 Series

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 configuration. The floating high-side driver is capable of working with rail voltages up to 100-V. The outputs are independently controlled with TTL compatible input thresholds. An integrated 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. Undervoltage lockout is provided on both the low side and the high side power rails. The device is available in the SOIC and the thermally enhanced WSON packages.

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 configuration. The floating high-side driver is capable of working with rail voltages up to 100-V. The outputs are independently controlled with TTL compatible input thresholds. An integrated 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. Undervoltage lockout is provided on both the low side and the high side power rails. The device is available in the SOIC and the thermally enhanced WSON packages.

Technical Specifications

Parameters and characteristics for this part

SpecificationLM5107MAX
Channel TypeIndependent
Current - Peak Output (Sink)1.4 A
Current - Peak Output (Source)1.3 A
Driven ConfigurationHalf-Bridge
Fall Time (Typ)15 ns
Gate ChannelN-Channel
Gate TypeN-Channel MOSFET, MOSFET
High Side Voltage - Max (Bootstrap)118 V
Input TypeNon-Inverting
Logic Voltage - VIH2.2 V
Logic Voltage - VIL0.8 V
Mounting TypeSurface Mount
Number of Drivers2
Operating Temperature (Max)125 °C
Operating Temperature (Min)-40 °C
Package Length0.154 in
Package Name8-SOIC
Package Width3.9 mm
Rise Time (Typ)15 ns
Voltage - Supply (Maximum)14 V
Voltage - Supply (Minimum)8 V

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