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參數資料
| 型號： | TPS2392DBT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Utillity Helmet with Headband; RoHS Compliant: NA |
| 中文描述： | 全功能- 48 - V熱風全系統電源管理器 |
| 文件頁數： | 1/31頁 |
| 文件大?。?/td> | 373K |
| 代理商： | TPS2392DBT |
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SLUS536C AUGUST 2002 REVISED AUGUST 2004
FEATURES
Wide Input Supply Range: 20 V to 80 V
Transient Rating to 100 V
Programmable Current Limit
Programmable Current Slew Rate
Programmable UV/OV Thresholds/Hysteresis
Debounced Insertion Detection Inputs
Open-Drain Power Good (PG) Output
Fault Timer to Eliminate Nuisance Trips
Open-Drain Fault Output (FAULT)
Enable Input (EN)
14-Pin TSSOP package
44-Pin TSSOP Package for
Creapage/Clearance
APPLICATIONS
48-V Distributed Power Systems
Central Office Switching
Wireless Base Station
DESCRIPTION
The TPS2392 and TPS2393 integrated circuits are hot
swap power managers optimized for use in nominal
48-V systems. They operate with supply voltage
ranges from 20-V to 80-V, and are rated to withstand
spikes to 100 V. In conjunction with an external
N-channel FET and sense resistor, they can be used to
enable live insertion of plug-in cards and modules in
powered systems. Each device provides load current
slew rate control and peak magnitude limiting.
Undervoltage and overvoltage shutdown thresholds
are easily programmed via a three-resistor divider
network. In addition, two active-low, debounced inputs
provide plug-in insertion detection. A power good (PG)
output enables downstream converters. The TPS2392
and TPS2393 also provide the basic hot swap functions
of electrical isolation of faulty cards, filtered protection
against nuisance overcurrent trips, and single-line fault
reporting. The 44-pin part supports designs where
telecomm creepage and clearance requirements must
be followed.
The TPS2392 latches off in response to current faults,
while the TPS2393 periodically retries the load in the
event of a fault.
UDG02098
D1
BAS19
C2
0.1
μ
F
R3
3.92 k
1%
R2
4.99 k
1%
R1
200 k
1%
R4
20 m
1/4, 1%
R6
10 k
R5
100
k
C4
100
μ
F
100 V
COUT
= 32.8 V
= 30.8 V
= 72.6 V
VUV
VUV
VOV
GATE
1
2
3
4
5
6
7
14
13
12
11
10
9
8
UVLO
INSA
INSB
FAULT
EN
FLTTIME
OVLO
DRAINSNS
ISENS
IRAMP
VIN
PG
RTN
TPS2392/TPS2393
VOUT+
VDD
VOUT
VIN+
VIN
DC/DC
CONVERTER
EN
C3
1500 pF
VOUT+
VOUT
GND
C1
3900 pF
48V
Q1
IRF530
D2
5.6 V
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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.
www.ti.com
Copyright
2004, Texas Instruments Incorporated
相關PDF資料 |
PDF描述 |
|---|---|
| TPS2393DBTR | CLOTH ROLL, 25MX25MM, P240; Grit size:P240; Length:25m; Width, external:25mm RoHS Compliant: NA |
| TPS2534 | Dual Channel Thermopile |
| TPS2848PWPR | 30V N-Channel PowerTrench MOSFET |
| TPS2849PWPR | 30V N-Channel PowerTrench MOSFET |
| TPS2839PWPR | 30V N-Channel PowerTrench MOSFET |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS2392EVM | 功能描述:電源管理IC開發工具 Simple -48V Hot Swap Contr EVM RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS2392PW | 功能描述:熱插拔功率分布 Full Featured -48V Industral Temp. 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 |
| TPS2392PWG4 | 功能描述:熱插拔功率分布 Full Featured -48V Industral Temp. 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 |
| TPS2392PWR | 功能描述:熱插拔功率分布 Full Featured -48V Industral Temp. 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 |
| TPS2392PWRG4 | 功能描述:熱插拔功率分布 Full Featured -48V Industral Temp. 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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