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TPS2832 Datasheet

  • TPS2832

  • FAST SYNCHRONOUS-BUCK MOSFET DRIVER WITH DEADTIME CONTROL

  • 14頁

  • TI

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TPS2832, TPS2833
FAST SYNCHRONOUS-BUCK MOSFET DRIVER
WITH DEADTIME CONTROL
SLVS195B 鈥?JANUARY 1999 鈥?REVISED SEPTEMBER 1999
D
D
D
D
D
D
D
D
D
Floating Bootstrap or Ground-Reference
High-Side Driver
Active Deadtime Control
50-ns Max Rise/Fall Times and 100-ns Max
Propagation Delay
鈥?/div>
3-nF Load
Ideal for High-Current Single or Mutiphase
Applications
2.4-A Typ Peak Output Current
4.5-V to 15-V Supply Voltage Range
Internal Schottky Bootstrap Diode
Low Supply Current . . . 3鈥搈A Typ
鈥?0擄C to 125擄C Junction-Temperature
Operating Range
D PACKAGE
(TOP VIEW)
IN
PGND
DT
V
CC
1
2
3
4
8
7
6
5
BOOT
HIGHDR
BOOTLO
LOWDR
description
The TPS2832 and TPS2833 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
MOSFET drivers on the chip. The drivers are designed to deliver 2.4-A peak currents into large capacitive loads.
Higher currents can be controlled by using multiple drivers in a multiphase configuration. 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 and provides
high efficiency for the buck regulator.
The TPS2832 has a noninverting input. The TPS2833 has an inverting input. The TPS2832/33 drivers, available
in 8-terminal SOIC packages, operate over a junction temperature range of 鈥?0擄C to 125擄C.
AVAILABLE OPTIONS
PACKAGED DEVICES
TJ
SOIC
(D)
TPS2832D
TPS2833D
鈥?0擄C to 125擄C
The D package is available taped and reeled. Add R
suffix to device type (e.g., TPS2830DR)
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.
Copyright
漏
1999, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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