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參數資料
| 型號： | TPS2103DBV |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | VAUX POWER-DISTRIBUTION SWITCHES |
| 中文描述： | 沃克斯配電開關 |
| 文件頁數： | 1/17頁 |
| 文件大小： | 265K |
| 代理商： | TPS2103DBV |
TPS2102, TPS2103
V
AUX
POWER-DISTRIBUTION SWITCHES
SLVS234A – SEPTEMBER 1999 – REVISED APRIL 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
features
Dual-Input, Single-Output MOSFET Switch
With No Reverse Current Flow (No Parasitic
Diodes)
IN1 . . . 250-m
, 500-mA N-Channel;
14-
μ
A Supply Current
IN2 . . . 1.3-
, 100-mA P-Channel;
0.75-
μ
A Supply Current (V
AUX
Mode)
Advanced Switch Control Logic
CMOS and TTL Compatible Enable Input
Controlled Rise, Fall, and Transition Times
2.7 V to 4 V Operating Range
SOT-23-5 and SOIC-8 Package
–40
°
C to 70
°
C Ambient Temperature Range
2-kV Human Body Model, 750-V Charged
Device Model, 200-V Machine-Model
ESD Protection
typical applications
Notebook and Desktop PCs
Cell phone, Palmtops, and PDAs
Battery Management
description
The TPS2102 and TPS2103 are dual-input, single-output power switches designed to provide uninterrupted
output voltage when transitioning between two independent power supplies. Both devices combine one
n-channel (250 m
) and one p-channel (1.3
) MOSFET with a single output. The p-channel MOSFET (IN2)
is used with auxiliary power supplies that deliver lower current for standby modes. The n-channel MOSFET
(IN1) is used with a main power supply that delivers higher current required for normal operation. Low
on-resistance makes the n-channel the ideal path for higher main supply current when power-supply regulation
and system voltage drops are critical. When using the p-channel MOSFET, quiescent current is reduced to
0.75
μ
A to decrease the demand on the standby power supply. The MOSFETs in the TPS2102 and TPS2103
do not have the parasitic diodes, typically found in discrete MOSFETs, thereby preventing back-flow current
when the switch is off.
DBV PACKAGE
(TOP VIEW)
GND
IN2
IN1
OUT
EN
GND
IN2
IN1
OUT
EN
DBV PACKAGE
(TOP VIEW)
TPS2102
TPS2103
NC – No internal connection
Figure 2. V
AUX
CardBus Implementation
PCI12xx / PCI14xx
CardBus Controller
PCI Bus
VAUX
3.3 V
VGA
TPS210x
VCC
D3-STAT
1
2
3
4
8
7
6
5
IN2
GND
EN
NC
OUT
OUT
NC
IN1
D PACKAGE
(TOP VIEW)
D PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
IN2
GND
EN
NC
OUT
OUT
NC
IN1
1
2
3
5
4
1
2
3
5
4
Copyright
2000, Texas Instruments Incorporated
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.
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.
Figure 1. Typical Dual-Input Single-Output
Application
TPS2102
IN1
IN2
EN
3.3 V VCC
3.3 V VAUX
D3 or PME Status
Control Signal
Holdup
Capacitor
Controller
(CardBus,
1394,
PCI,
et al.)
3.3 V
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相關代理商/技術參數 |
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| TPS2103DBVR | 功能描述:電源開關 IC - 配電 Dual In/Single Out MOSFET RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| TPS2103DBVRG4 | 功能描述:電源開關 IC - 配電 Dual In/Single Out MOSFET RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| TPS2103DBVT | 功能描述:電源開關 IC - 配電 Dual In/Single Out MOSFET RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| TPS2103DBVTG4 | 功能描述:電源開關 IC - 配電 Dual In/Single Out MOSFET RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| TPS2104D | 功能描述:IC V-AUX POWER DIST SW 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:- 標準包裝:1,000 系列:- 應用:電池備份，工業/汽車，大電流開關 FET 型:- 輸出數:5 內部開關:是 延遲時間 - 開啟:100ns 延遲時間 - 關閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC N 包裝:帶卷 (TR) |
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