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參數(shù)資料
| 型號(hào)： | TPS2831PWP |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | FAST SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEADTIME CONTROL |
| 中文描述： | 快速同步賽珍珠MOSFET驅(qū)動(dòng)器與死區(qū)控制 |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大?。?/td> | 198K |
| 代理商： | TPS2831PWP |
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TPS2830, TPS2831
FAST SYNCHRONOUS-BUCK MOSFET DRIVERS
WITH DEADTIME CONTROL
SLVS196B – JANUARY1999 – REVISED SEPTEMBER 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Floating Bootstrap or Ground-Reference
High-Side Driver
Active Deadtime Control
50-ns Max Rise/Fall Times and 100-ns Max
Propagation Delay
—
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
SYNC Control for Synchronous or
Nonsynchronous Operation
CROWBAR for OVP, Protects Against
Faulted High-Side Power FETs
Low Supply Current . . . 3-mA Typ
–40
°
C to 125
°
C Junction-Temperature
Operating Range
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 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 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 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 TSSOP packages and operate over a junction temperature range of –40
°
C
to 125
°
C.
AVAILABLE OPTIONS
PACKAGED DEVICES
TJ
SOIC
(D)
TSSOP
(PWP)
–40
°
C to 125
°
C
TPS2830D
TPS2831D
TPS2830PWP
TPS2831PWP
The D and PWP packages are available taped and reeled. Add R
suffix to device type (e.g., TPS2830DR)
Copyright
1999, Texas Instruments Incorporated
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.
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.
1
2
3
4
5
6
7
14
13
12
11
10
9
8
ENABLE
IN
CROWBAR
NC
SYNC
DT
PGND
BOOT
NC
HIGHDR
BOOTLO
LOWDR
NC
V
CC
D OR PWP PACKAGE
(TOP VIEW)
NC – No internal connection
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS2831PWPG4 | 功能描述:功率驅(qū)動(dòng)器IC Inv Fast Sync Buck MOSFET Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2831PWPR | 功能描述:功率驅(qū)動(dòng)器IC Inv Fast Sync Buck MOSFET Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2831PWPRG4 | 功能描述:功率驅(qū)動(dòng)器IC Inv Fast Sync Buck MOSFET Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2832D | 功能描述:功率驅(qū)動(dòng)器IC Non-inv Fast Sync Buck Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2832D | 制造商:Texas Instruments 功能描述:IC SYNC BUCK FET DRIVER 8-SOIC 制造商:Texas Instruments 功能描述:IC, SYNC BUCK FET DRIVER 8-SOIC 制造商:Texas Instruments 功能描述:IC, SYNC BUCK FET DRIVER 8-SOIC; Device Type:MOSFET; Module Configuration:High Side, Low Side; Peak Output Current:2.4A; Supply Voltage Min:4.5V; Supply Voltage Max:15V; Driver Case Style:SOIC; No. of Pins:8; Input Delay:60ns; Output;RoHS Compliant: Yes |
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