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參數(shù)資料
| 型號(hào)： | TPPM0310 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 106K |
| 代理商： | TPPM0310 |
TPPM0301
400-mA LOW-DROPOUT REGULATOR
WITH AUXILIARY POWER MANAGEMENT
SLVS315 – SEPTEMBER 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Automatic Input Voltage Source Selection
Glitch-Free Regulated Output
5-V Input Voltage Source Detector With
Hysteresis
400-mA Load Current Capability With 5-V or
3.3-V Input Source
Low r
DS(on)
Auxiliary Switch
Thermally Enhanced Packaging Concept
for Efficient Heat Management
description
The TPPM0301 is a low-dropout regulator with auxiliary power management that provides a constant 3.3-V
supply at the output capable of driving a 400-mA load.
The TPPM0301 provides a regulated power output for systems that have multiple input sources and require a
constant voltage source with a low-dropout voltage. This is a single output, multiple input intelligent power
source selection device with a low-dropout regulator for either 5VCC or 5VAUX inputs, and a low- resistance
bypass switch for the 3.3VAUX input.
Transitions may occur from one input supply to another without generating a glitch, outside of the specification
range, on the 3.3-V output. The device has an incorporated reverse blocking scheme to prevent excess leakage
from the input terminals in the event that the output voltage is greater than the input voltage.
The input voltage is prioritized in the following order: 5VCC, 5VAUX, and 3.3VAUX.
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.
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5VAUX
5VCC
3.3VOUT
3.3VAUX
GND
GND
GND
GND
D PACKAGE
(TOP VIEW)
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