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參數(shù)資料
| 型號： | TPS2331IPWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14 |
| 封裝： | PLASTIC, TSSOP-14 |
| 文件頁數(shù)： | 4/25頁 |
| 文件大?。?/td> | 716K |
| 代理商： | TPS2331IPWR |
APPLICATION INFORMATION
VREG
0.1
F
IN
ISET
RISET
ISENSE
RSENSE
GATE DISCH
VSENSE
RVSENSE_TOP
RVSENSE_BOTTOM
+
FAULT
PWRGD
FAULT
PWRGD
TIMER
ENABLE
DGND
AGND
VO
ENABLE
1
F 10 F
3 V
13 V IN
TPS2331
System
Board
INPUT CAPACITOR
OUTPUT CAPACITOR
EXTERNAL FET
SLVS277F – MARCH 2000 – REVISED NOVEMBER 2006 ............................................................................................................................................... www.ti.com
This diagram shows a typical dual hot-swap application. The pullup resistors at PWRGD and FAULT should be
relatively large (e.g. 100 k
) to reduce power loss unless they are required to drive a large load.
Figure 18. Typical Hot-Swap Application
A 0.1-
F ceramic capacitor in parallel with a 1-F ceramic capacitor should be placed on the input power
terminals near the connector on the hot-plug board to help stabilize the voltage rails on the cards. The
TPS2330/31 does not need to be mounted near the connector or these input capacitors. For applications with
more severe power environments, a 2.2-
F or higher ceramic capacitor is recommended near the input terminals
of the hot-plug board. A bypass capacitor for IN should be placed close to the device.
A 0.1-
F ceramic capacitor is recommended per load on the TPS2330/31; these capacitors should be placed
close to the external FETs and to TPS2330/31. A larger bulk capacitor on the load is also recommended. The
value of the bulk capacitor should be selected based on the power requirements and the transients generated by
the application.
To deliver power from the input sources to the loads, the controller needs an external N-channel MOSFET. A few
widely used MOSFETs are shown in Table 2. But many other MOSFETs on the market can also be used with
TPS23xx in hot-swap systems.
12
Copyright 2000–2006, Texas Instruments Incorporated
Product Folder Link(s): TPS2330 TPS2331
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| TPS2331IPWRG4 | 功能描述:熱插拔功率分布 3-13V Sngl w/Pwr Gd Rpt Act-Hi Enable RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2340APFP | 功能描述:熱插拔功率分布 Dual Slot PCI & PCIX 1.0 Hot-Plug RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2340APFPG4 | 功能描述:熱插拔功率分布 Dual Slot PCI & PCIX 1.0 Hot-Plug RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2340APFPR | 功能描述:熱插拔功率分布 Dual Slot PCI & PCIX 1.0 Hot-Plug RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2340APFPRG4 | 功能描述:熱插拔功率分布 Dual Slot PCI & PCIX 1.0 Hot-Plug RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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