參數資料
型號： TPS2321D
廠商： Texas Instruments, Inc.
英文描述： DUAL HOT SWAP POWER CONTROLLER WITH INDEPENDENT CIRCUIT BREAKER
中文描述： 雙熱插拔電源控制器與廉政斷路器
文件頁數： 16/22頁
文件大?。?/td> 409K
代理商： TPS2321D
TPS2320, TPS2321
DUAL HOT SWAP POWER CONTROLLER
WITH INDEPENDENT CIRCUIT BREAKER
SLVS276A – MARCH 200 – REVISED APRIL 2000
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table 1. Some Available N-Channel MOSFETs
CURRENT RANGE
(A)
PART NUMBER
DESCRIPTION
MANUFACTURER
IRF7601
N-channel, rDS(on) = 0.035
, 4.6 A, Micro-8
N-channel, rDS(on) = 0.040
, 4.6 A, Micro-8
Dual N-channel, rDS(on) = 0.04
, 5 A, SO-8
N-channel, rDS(on) = 0.022
, 7 A, SO-8
N-channel, rDS(on) = 0.025
, 5 A, SO-8
Dual N-channel, rDS(on) = 0.029
, 5.2 A, SO-8
N-channel, rDS(on) = 0.020
, 8 A, SO-8
N-channel, rDS(on) = 0.019
, 29 A, d-Pak
N-channel, rDS(on) = 0.045
, 14 A, d-Pak
International Rectifier
0 to 2
MTSF3N03HDR2
ON Semiconductor
MMSF5N02HDR2
ON Semiconductor
IRF7401
International Rectifier
2 to 5
MMSF5N02HDR2
ON Semiconductor
IRF7313
International Rectifier
SI4410
Vishay Dale
5 to 10
IRLR3103
IRLR2703
International Rectifier
International Rectifier
timer
For most applications, a minimum capacitance of 50 pF is recommended to prevent false triggering. A capacitor
should be connected between TIMER and ground. The presence of an overcurrent condition on either channel
of the TPS2320/TPS2321 causes a 50-
μ
A current source to begin charging this capacitor. If the over-
current condition persists until the capacitor has been charged to approximately 0.5 V, the TPS2320/TPS2321
will latch off the offending channels and will pull the FAULT pin low. The timer capacitor can be made as large
as desired to provide additional time delay before registering a fault condition.
output-voltage slew-rate control
When enabled, the TPS2320/TPS2321 controllers supply the gates of each external MOSFET transistor with
a current of approximately 15
μ
A. The slew rate of the MOSFET source voltage is thus limited by the
gate-to-drain capacitance C
gd
of the external MOSFET capacitor to a value approximating:
15
A
Cgd
dvs
dt
If a slower slew rate is desired, an additional capacitance can be connected between the gate of the external
MOSFET and ground.
VREG capacitor
The internal voltage regulator connected to VREG requires an external capacitor to ensure stability. A 0.1-
μ
F
or 0.22-
μ
F ceramic capacitor is recommended.
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相關代理商/技術參數
參數描述
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
TPS2321IDR 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
TPS2321IDRG4 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
TPS2321IPW 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
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