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參數資料
| 型號： | V62/08607-01XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | GREEN, PLASTIC, SOT-23, 6 PIN |
| 文件頁數： | 1/15頁 |
| 文件大小： | 530K |
| 代理商： | V62/08607-01XE |
1
FEATURES
SUPPORTS DEFENSE, AEROSPACE,
APPLICATIONS
DESCRIPTION/ORDERING INFORMATION
1.2 V
3.3 V
TPS3808G12
TPS3808G33
DSP
SENSE
V
DD
V
DD
SENSE
V
I/O
V
CORE
GPIO
GND
RESET
MR
C
T
C
T
RESET
Typical Application Circuit
DBV (SOT-23) PACKAGE
(TOP VIEW)
V
DD
SENSE
C
T
RESET
GND
MR
1
2
3
6
5
4
www.ti.com ................................................................................................................................................. SBVS103C – APRIL 2008 – REVISED NOVEMBER 2008
LOW QUIESCENT CURRENT, PROGRAMMABLE DELAY SUPERVISORY CIRCUIT
AND MEDICAL APPLICATIONS
2
Power-On Reset Generator With Adjustable
Controlled Baseline
Delay Time: 1.25 ms to 10 s
One Assembly/Test Site
Very Low Quiescent Current: 2.4 A Typical
One Fabrication Site
High Threshold Accuracy: 0.5% Typical
Available in Military (–55°C/125°C)
Fixed Threshold Voltages for Standard Voltage
Temperature Range(1)
Rails from 0.9 V to 5 V and Adjustable Voltage
Extended Product Life Cycle
Down to 0.4 V Are Available
Extended Product-Change Notification
Manual Reset (MR) Input
Product Traceability
Open-Drain RESET Output
Temperature Range: –55°C to 125°C
Small SOT23 Package
DSP or Microcontroller Applications
Notebook/Desktop Computers
PDAs/Hand-Held Products
Portable/Battery Powered Products
FPGA/ASIC Applications
(1)
Custom temperature ranges available
The TPS3808xxx family of microprocessor supervisory circuits monitors system voltages from 0.4 V to 5.0 V,
asserting an open-drain RESET signal when the SENSE voltage drops below a preset threshold or when the
manual reset (MR) pin drops to a logic low. The RESET output remains low for the user-adjustable delay time
after the SENSE voltage and manual reset (MR) return above the respective thresholds.
The TPS3808 uses a precision reference to achieve 0.5% threshold accuracy for VIT ≤ 3.3 V. The reset delay
time can be set to 20 ms by disconnecting the CT pin, 300 ms by connecting the CT pin to VDD using a resistor,
or can be user-adjusted between 1.25 ms and 10 s by connecting the CT pin to an external capacitor. The
TPS3808 has a very low typical quiescent current of 2.4
A, so it is well-suited to battery-powered applications. It
is available in a small SOT23 package, and is fully specified over a temperature range of –55°C to +125°C (TJ).
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
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2008, 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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