LP1111-MOS Driver

产品型号 输入电压(V) 静态电流A 电流峰值 封装 规格书
LP1111 4.5-13.2 700 3.5 SOP8/DFN-8(2*2mm)

Dual Bootstrapped, 12V MOSFET Driver with Output Enable

General Description

The LP1111 is a single phase 12V MOSFET gate driver optimized to drive the gates of both high-side and low-side power MOSFETs in a synchronous buck converter. With a wide operating voltage range, high or low side MOSFET gate drive voltage can be optimized for the best efficiency. Internal adaptive non-overlap circuitry further reduces switching losses by preventing simultaneous conduction of both MOSFETs. The floating top driver design can accommodate VBST voltages as high as 35V, with transient voltages as high as 40V. Both gate outputs can be driven low by applying a low logic level to the enable(EN) pin. An undervoltage lockout function ensures that both driver outputs are low when the supply voltage is low, and a Thermal Shutdown function provides the IC with over-temperature protection.


  Multiphase Desktop CPU Supplies
  Single-supply Synchronous Buck Converters



 All-In-One Synchronous Buck Driver
 Bootstrapped High-Side Drive
 One PWM Signal Generates Both Drives
 Anti-cross Conduction Protection Circuitry
 Available in SOP8 & TDFN8 Package


Marking Information

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