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TPS2399DGK Datasheet

  • TPS2399DGK

  • -48V HOT SWAP CONTROLLER FOR REDUNDANT SUPPLY SYSTEMS

  • 20頁

  • TI

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TPS2398
TPS2399
SLUS562A 鈭?JUNE 2003 鈭?REVISED SEPTEMBER 2003
-48 V HOT SWAP CONTROLLER
FOR REDUNDANT SUPPLY SYSTEMS
FEATURES
D
Wide Input Supply Range: 鈭?6 V to 鈭?0 V
D
Transient Rating to 鈭?00 V
D
Improved Transient Response
D
Enable Input (EN)
D
Programmable Current Limit
D
Programmable Current Slew Rate
D
Fault Timer to Eliminate Nuisance Trips
D
Open-Drain Power Good Output (PG)
D
8-Pin MSOP Package
鈰?/div>
APPLICATIONS
DESCRIPTION
The TPS2398 and TPS2399 integrated circuits
are hot swap power managers optimized for use
in nominal 鈭?8-V systems. For redundant-supply
systems, they incorporate an improved circuit
breaker response that provides rapid protection
from short circuits, while still enabling plug-ins to
tolerate large transients that can be generated by
the sudden switchover to a higher voltage supply.
They are designed for supply voltage ranges up to
鈭?0 V, and are rated to withstand spikes to 鈭?00 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. Both devices provide load current slew
rate and peak magnitude limiting, easily
programmed by sense resistor value and a single-
external capacitor.
D
鈭?8-V Distributed Power Systems
D
Redundant Negative Voltage Supplies
D
Central Office Switching
APPLICATION DIAGRAM
鈭?8V_RTN
R3
30 k鈩?/div>
0.5 W
+
R2
100 k鈩?/div>
C3
100
碌F
100 V
VIN+
EN
VDD
VOUT+
+
VOUT+
10
碌A(chǔ)
COUT
VIN鈭?/div>
TPS2398/TPS2399
1 PG
2 EN
C1
0.047
碌F
RTN 8
GATE 7
Q1
IRF530
VOUT鈭?/div>
VOUT鈭?/div>
DC/DC CONVERTER
3 FLTTIME ISENS 6
4 IRAMP
C2
3900 pF
鈭扸IN 5
R1
0.02
鈩?/div>
1%
UDG鈭?3069
D2
鈭?8V_INB
D1
鈭?8V_INA
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
錚?/div>
2002, Texas Instruments Incorporated
www.ti.com
1

TPS2399DGK 產(chǎn)品屬性

  • 80

  • 集成電路 (IC)

  • PMIC - 熱交換

  • -

  • 熱交換控制器

  • 通用

  • 無

  • -

  • -36 V ~ -80 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）

  • 8-MSOP

  • 管件

  • 296-18945-ND - EVAL MODULE FOR TPS2399

  • 296-15732-5

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