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參數(shù)資料
| 型號： | 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驅動器與死區(qū)控制 |
| 文件頁數(shù)： | 2/15頁 |
| 文件大小： | 198K |
| 代理商： | TPS2831PWP |
TPS2830, TPS2831
FAST SYNCHRONOUS-BUCK MOSFET DRIVERS
WITH DEADTIME CONTROL
SLVS196B – JANUARY1999 – REVISED SEPTEMBER 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
DT
6
IN
VCC
LOWDR
BOOTLO
HIGHDR
BOOT
PGND
2
8
14
12
11
10
VCC
7
ENABLE
1
SYNC
5
CROWBAR
3
(TPS2830 Only)
(TPS2831 Only)
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
14
BOOT
I
Bootstrap terminal. A ceramic capacitor is connected between BOOT and BOOTLO terminals to develop
the floating bootstrap voltage for the high-side MOSFET. The capacitor value is typically between 0.1
μ
F
and 1
μ
F. A 1-M
resistor should be connected across the bootstrap capacitor to provide a discharge path
when the driver has been powered down.
BOOTLO
11
O
This terminal connects to the junction of the high-side and low-side MOSFETs.
CROWBAR
3
I
CROWBAR can to be driven by an external OVP circuit to protect against a short across the high-side
MOSFET. If CROWBAR is driven low, the low-side driver will be turned on and the high-side driver will be
turned off, independent of the status of all other control terminals.
DT
6
I
Deadtime control terminal. Connect DT to the junction of the high-side and low-side MOSFETs.
ENABLE
1
I
If ENABLE is low, both drivers are off.
HIGHDR
12
O
Output drive for the high-side power MOSFET
IN
2
I
Input signal to the MOSFET drivers (noninverting input for the TPS2830; inverting input for the TPS2831).
LOWDR
10
O
Output drive for the low-side power MOSFET
NC
4, 9, 13
PGND
7
Power ground. Connect to the FET power ground
SYNC
5
I
Synchronous Rectifier Enable terminal. If SYNC is low, the low-side driver is always off; If SYNC is high,
the low-side driver provides gate drive to the low-side MOSFET.
VCC
8
I
Input supply. Recommended that a 1-
μ
F capacitor be connected from VCC to PGND.
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| TPS2831PWPG4 | 功能描述:功率驅動器IC Inv Fast Sync Buck MOSFET Driver RoHS:否 制造商:Micrel 產品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2831PWPR | 功能描述:功率驅動器IC Inv Fast Sync Buck MOSFET Driver RoHS:否 制造商:Micrel 產品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2831PWPRG4 | 功能描述:功率驅動器IC Inv Fast Sync Buck MOSFET Driver RoHS:否 制造商:Micrel 產品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2832D | 功能描述:功率驅動器IC Non-inv Fast Sync Buck Driver RoHS:否 制造商:Micrel 產品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 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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