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參數(shù)資料
| 型號： | TPS2320IPW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | GREEN, PLASTIC, TSSOP-16 |
| 文件頁數(shù)： | 8/28頁 |
| 文件大?。?/td> | 747K |
| 代理商： | TPS2320IPW |
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APPLICATION INFORMATION
VREG
0.1
F
IN1 ISET1
RISET1
ISENSE1
RSENSE1
GATE1
DISCH1
+
FAULT
VO1 or VO2
FAULT
TIMER IN2
ISET2
ISENSE2 GATE2
DISCH2
ENABLE
DGND
AGND
RISET2
+
VO1
VO2
ENABLE
1
F 10 F
RSENSE2
1
F 10 F
3 V
13 V IN1
3 V
5.5 V IN2
TPS2321
System
Board
INPUT CAPACITOR
OUTPUT CAPACITOR
EXTERNAL FET
SLVS276E – MARCH 2000 – REVISED NOVEMBER 2006
Figure 26 shows a typical dual hot-swap application. The pullup resistor at FAULT should be relatively large
(e.g., 100 k
) to reduce power loss, unless it is required to drive a large load.
Figure 26. Typical Dual 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
TPS2320/01 does not need to be mounted near the connector or to 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 IN1 and for IN2 should be placed close to the device.
A 0.1-
F ceramic capacitor is recommended per load on the TPS2320/21; these capacitors should be placed
close to the external FETs and to TPS2320/21. A larger bulk capacitor is also recommended on the load. 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, each channel 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.
Table 2. Some Available N-Channel MOSFETs
CURRENT RANGE
PART NUMBER
DESCRIPTION
MANUFACTURER
(A)
IRF7601
N-channel, rDS(on) = 0.035 , 4.6 A, Micro-8
International Rectifier
0 to 2
MTSF3N03HDR2
N-channel, rDS(on) = 0.040 , 4.6 A, Micro-8
ON Semiconductor
MMSF5N02HDR2
Dual N-channel, rDS(on) = 0.04 , 5 A, SO-8
ON Semiconductor
16
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相關代理商/技術參數(shù) |
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| TPS2320IPWG4 | 功能描述:熱插拔功率分布 3-13V Dual w/Ind Chl Circuit Breaking RoHS:否 制造商:Texas Instruments 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2320IPWR | 功能描述:熱插拔功率分布 3-13V Dual w/Ind Chl Circuit Breaking RoHS:否 制造商:Texas Instruments 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2320IPWRG4 | 功能描述:熱插拔功率分布 3-13V Dual w/Ind Chl Circuit Breaking RoHS:否 制造商:Texas Instruments 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2321ID | 功能描述:熱插拔功率分布 3-13V Dual w/Ind Chl Circuit Breaking RoHS:否 制造商:Texas Instruments 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2321IDG4 | 功能描述:熱插拔功率分布 3-13V Dual Hot- Swap IC RoHS:否 制造商:Texas Instruments 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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