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TPS2835 - 产品图解：
TPS2835-具有 TTL 输入和启用的反向快速同步降压 MOSFET 驱动器
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TI产品 - TPS2835介绍

TPS2835 - 具有 TTL 输入和启用的反向快速同步降压 MOSFET 驱动器

TPS2835是TI德州仪器公司的一款半桥驱动器产品，TPS2835是具有 TTL 输入和启用的反向快速同步降压 MOSFET 驱动器，本站介绍了TPS2835的封装应用图解、特点和优点、功能等，并给出了与TPS2835相关的TI元器件型号供参考。

TPS2835 - 具有 TTL 输入和启用的反向快速同步降压 MOSFET 驱动器 - 半桥驱动器 - MOSFET和IGBT栅极驱动器 - 德州仪器

产品描述

The TPS2834 and TPS2835 are MOSFET drivers for synchronous-buck power stages. These devices are ideal for designing a high-performance power supply using switching controllers that do not include on-chip MOSFET drivers. The drivers are designed to deliver minimum 2-A peak currents into large capacitive loads. The high-side driver can be configured as ground-reference or as floating-bootstrap. An adaptive dead-time control circuit eliminates shoot-through currents through the main power FETs during switching transitions, and provides high efficiency for the buck regulator. The TPS2834 and TPS2835 have additional control functions: ENABLE, SYNC, and CROWBAR. Both high-side and low-side drivers are off when ENABLE is low. The driver is configured as a nonsynchronous-buck driver disabling the low-side driver when SYNC is low. The CROWBAR function turns on the low-side power FET, overriding the IN signal, for overvoltage protection against faulted high-side power FETs.

The TPS2834 has a noninverting input, while the TPS2835 has an inverting input. These drivers are available n 14-terminal SOIC and thermally enhanced TSSOP PowerPAD™ packages and operate over a junction temperature range of –40°C to 125°C.

产品特性

  • Floating Bootstrap or Ground-Reference High-Side Driver
  • Adaptive Dead-Time Control
  • 50-ns Max Rise/Fall Times With 3.3-nF Load
  • 2.4-A Typical Output Current
  • 4.5-V to 15-V Supply Voltage Range
  • TTL-Compatible Inputs
  • Internal Schottky Bootstrap Diode
  • SYNC Control for Synchronous or Nonsynchronous Operation
  • CROWBAR for OVP, Protects Against Faulted High-Side Power FETs
  • Low Supply Current....3 mA Typical
  • Ideal for High-Current Single or Multiphase Power Supplies
  • –40°C to 125°C Operating Virtual Junction Temperature Range
  • Available in SOIC and TSSOP PowerPAD Packages

PowerPAD is a trademark of Texas Instruments Incorporated.

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