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參數(shù)資料
| 型號(hào)： | TPS2561DRCR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封裝： | GREEN, SON-10 |
| 文件頁(yè)數(shù)： | 1/24頁(yè) |
| 文件大?。?/td> | 942K |
| 代理商： | TPS2561DRCR |
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ENx = Active Low for the TPS2560
ENx = Active High for the TPS2561
TPS2560/61
DRC PACKAGE
(TOP VIEW)
PAD
1
2
3
4
EN1
GND
IN
EN2 5
IN
9
6
OUT1
FAULT2
ILIM
7
8
OUT2
10
FAULT1
OUT1
OUT2
IN
GND
FAULT1
ILIM
EN2
RILIM
2x RFAULT
100 k
Control Signal
2.5V – 6.5V
VOUT1
TPS2560/61
0.1 F
Fault Signal
PowerPad
VOUT2
EN1
Control Signal
FAULT2
Fault Signal
2x CLOAD
www.ti.com
SLVS930 – DECEMBER 2009
DUAL CHANNEL PRECISION ADJUSTABLE CURRENT-LIMITED POWER SWITCHES
1
FEATURES
DESCRIPTION
2
Two separate current limiting channels
Meets USB Current-Limiting Requirements
The
TPS2560
and
TPS2561
are
dual-channel
power-distribution switches intended for applications
Adjustable Current Limit, 250 mA–2.8 A (typ)
where precision current limiting is required or heavy
+/- 7.5% Current-Limit Accuracy at 2.8A
capacitive loads and short circuits are encountered.
Fast Overcurrent Response - 3.5-
μS (typ)
These devices offer a programmable current-limit
threshold between 250 mA and 2.8 A (typ) per
Two 44-m
High-Side MOSFETs
channel via an external resistor. The power-switch
Operating Range: 2.5 V to 6.5 V
rise and fall times are controlled to minimize current
2-
μA Maximum Standby Supply Current
surges during turn on/off.
Built-in Soft-Start
Each channel of the TPS2560/61 devices limit the
15 kV / 8 kV System-Level ESD Capable
output current to a safe level by switching into a
constant-current mode when the output load exceeds
UL Listed – File No. E169910
the current-limit threshold. The FAULTx logic output
CB & Nemko Certified
for each channel independently asserts low during
overcurrent and over temperature conditions.
APPLICATIONS
USB Ports/Hubs
Digital TV
Set-Top Boxes
VOIP Phones
Figure 1. Typical Application as USB Power Switch
1
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.
2
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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