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TPS2834

更新时间： 2024-11-17 22:52:59

品牌	Logo	应用领域
德州仪器 - TI		驱动器
页数	文件大小	规格书
15页	202K
描述
SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEADTIME CONTROL

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TPS2834 数据手册

TPS2834, TPS2835

SYNCHRONOUS-BUCK MOSFET DRIVERS

WITH DEADTIME CONTROL

SLVS223 – NOVEMBER 1999

D OR PWP PACKAGE

(TOP VIEW)

Floating Bootstrap or Ground-Reference

High-Side Driver

Active Deadtime Control

ENABLE

CROWBAR

BOOT

HIGHDR

BOOTLO

LOWDR

50-ns Max Rise/Fall Times With 3.3-nF Load

2-A Min Peak Output Current

4.5-V to 15-V Supply Voltage Range

TTL-Compatible Inputs

SYNC

PGND

Internal Schottky Bootstrap Diode

SYNC Control for Synchronous or

Nonsynchronous Operation

NC – No internal connection

CROWBAR for OVP, Protects Against

Faulted High-Side Power FETs

Low Supply Current . . . 3 mA Typ

Ideal for High-Current Single- or Multiphase

Applications

–40°C to 125°C Junction-Temperature

Operating Range

description

The TPS2834 and TPS2835 are MOSFET drivers for synchronous-buck power stages. These devices are ideal

for designing a high-performance power supply using a switching controller that does not include suitable

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 low-side driver is configured as a nonsynchronous-buck 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

in 14-terminal SOIC and TSSOP packages and operate over a junction temperature range of –40°C to 125°C.

AVAILABLE OPTIONS

PACKAGED DEVICES

SOIC

(D)

TSSOP

(PWP)

TPS2834D

TPS2835D

TPS2834PWP

TPS2835PWP

–40°C to 125°C

The D and PWP packages are available taped and reeled. Add R

suffix to device type (e.g., TPS2834DR)

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...15

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与TPS2834相关器件

型号	品牌	获取价格	描述	数据表
TPS2834_15	TI	获取价格	SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEAD-TIME CONTROL
TPS2834D	TI	获取价格	SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEADTIME CONTROL
TPS2834DG4	TI	获取价格	SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEAD-TIME CONTROL
TPS2834DR	TI	获取价格	SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEAD-TIME CONTROL
TPS2834DRG4	TI	获取价格	SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEAD-TIME CONTROL
TPS2834PWP	TI	获取价格	SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEADTIME CONTROL
TPS2834PWPG4	TI	获取价格	SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEAD-TIME CONTROL
TPS2834PWPR	TI	获取价格	SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEAD-TIME CONTROL
TPS2834PWPRG4	TI	获取价格	SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEAD-TIME CONTROL
TPS2835	TI	获取价格	SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEADTIME CONTROL

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