二极管

USB

三极管

可控硅(晶闸管)

场效应管(MOSFET)

集成电路

连接器

LED系列产品

电感器

继电器

传感器

电容器

电阻器

保护器件

光电器件

压电晶体

开关原件

功率模块

说明

The TPS2838/39/48/49 devices are MOSFET drivers designed for high-performance synchronous power supplies. The drivers can source and sink up to 4-A peak current at a 14-V drive voltage. These are ideal devices to use with power supply controllers that do not have on-chip drivers. The low-side driver is capable of driving loads of 3.3 nF in 10-ns rise/fall times and has 40-ns propagation delays at room temperature.

The MOSFET drivers have an integrated 150-mA regulator, so the gate drive voltage can be optimized for specific MOSFETs. The TPS2848 and TPS2849 have a fixed 8-V drive regulator, while the TPS2838/39 allow the drive regulator to be adjusted from 4 V to 14 V by selection of two external resistors.

特性

• Integrated Drive Regulator (4 V to 14 V)
• Adjustable/Adaptive Dead-Time Control
• 4-A Peak current at VDRV of 14 V
• 10-V to 15-V Supply Voltage Range
• TTL-Compatible Inputs
• Internal Schottky Diode Reduces Part Count
• Synchronous or Nonsynchronous Operation
• Inverting and Noninverting Options
• TSSOP PowerPad™ Package for Excellent Thermal Performance
• APPLICATIONS
  • Single or Multiphase Synchronous-Buck Power Supplies
  • High-Current DC/DC Power Modules