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TPS2831PWPRG4

更新时间： 2024-11-19 01:22:27
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德州仪器 - TI 驱动
页数 文件大小 规格书
22页 769K
描述
FAST SYNCHRONOUS-BUCK MOSFET DRIVERS

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中文翻译

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TPS2831PWPRG4 数据手册

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SLVS196C − JANUARY1999 − REVISED JANUARY 2001  
D
Floating Bootstrap or Ground-Reference  
High-Side Driver  
D PACKAGE  
(TOP VIEW)  
D
Adaptive Dead-Time Control  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
ENABLE  
IN  
CROWBAR  
NC  
BOOT  
NC  
HIGHDR  
BOOTLO  
LOWDR  
NC  
D
50-ns Max Rise/Fall Times and 100-ns Max  
Propagation Delay − 3.3-nF Load  
D
Ideal for High-Current Single or Multiphase  
Power Supplies  
SYNC  
DT  
PGND  
D
D
D
D
2.4-A Typical Peak Output Current  
4.5-V to 15-V Supply Voltage Range  
Internal Schottky Bootstrap Diode  
8
V
CC  
PWP PACKAGE  
(TOP VIEW)  
SYNC Control for Synchronous or  
Nonsynchronous Operation  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
ENABLE  
IN  
CROWBAR  
NC  
BOOT  
NC  
HIGHDR  
BOOTLO  
LOWDR  
NC  
D
CROWBAR for OVP, Protects Against  
Faulted High-Side Power FETs  
Thermal  
Pad  
D
Low Supply Current....3-mA Typical  
SYNC  
DT  
PGND  
D
−40°C to 125°C Operating Virtual Junction  
Temperature Range  
8
V
CC  
D
Available in SOIC and TSSOP PowerPAD  
Packages  
NC − No internal connection  
description  
The TPS2830 and TPS2831 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 have MOSFET drivers.  
The drivers are designed to deliver 2.4-A peak currents into large capacitive loads. The high-side driver can be  
configured as a ground-reference driver or as a floating bootstrap driver. An adaptive dead-time control circuit  
eliminates shoot-through currents through the main power FETs during switching transitions, providing higher  
efficiency for the buck regulator. The TPS2830/31 drivers have additional control functions: ENABLE, SYNC,  
and CROWBAR. Both 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 over-voltage protection against faulted high-side power FETs.  
The TPS2830 has a noninverting input. The TPS2831 has an inverting input. The TPS2830/31 drivers are  
available in 14-terminal SOIC and thermally-enhanced TSSOP PowerPADpackages, and operate over a  
virtual junction temperature range of −40°C to 125°C.  
Related Synchronous MOSFET Drivers  
DEVICE NAME  
TPS2832  
TPS2833  
TPS2834  
TPS2835  
TPS2836  
TPS2837  
ADDITIONAL FEATURES  
INPUTS  
Noninverted  
W/O ENABLE, SYNC, and CROWBAR  
CMOS  
TTL  
Inverted  
Noninverted  
Inverted  
ENABLE, SYNC, and CROWBAR  
Noninverted  
Inverted  
W/O ENABLE, SYNC, and CROWBAR  
TTL  
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.  
PowerPAD is a trademark of Texas Instruments Incorporated.  
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Copyright 2001, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...22

中文翻译

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TPS2831PWPRG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS2831PWPG4 TI

完全替代

 3.5A HALF BRDG BASED MOSFET DRIVER, PDSO14, GREEN, PLASTIC, HTSSOP-14
TPS2831PWP TI

类似代替

 FAST SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEADTIME CONTROL
TPS2831PWPR TI

功能相似

 Inverting Fast Synchronous Buck MOSFET Drivers with Enable 14-HTSSOP

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