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TPS3307-25DR Datasheet

  • TPS3307-25DR

  • TRIPLE PROCESSOR SUPERVISORS

  • 426.51KB

  • 14页

  • TI

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TPS3307-18, TPS3307-25, TPS3307-33
www.ti.com
SLVS199B 鈥?DECEMBER 1998 鈥?REVISED OCTOBER 2004
TRIPLE PROCESSOR SUPERVISORS
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Triple Supervisory Circuits for DSP and
Processor-Based Systems
Power-On Reset Generator With Fixed Delay
Time of 200ms, No External Capacitor Needed
Temperature-Compensated Voltage Reference
Maximum Supply Current of 40碌A
Supply Voltage Range: 2V to 6V
Defined RESET Output From V
DD
鈮?/div>
1.1V
MSOP-8 and SO-8 Packages
Temperature Range : 鈥?40掳C to 85掳C
D OR DGN PACKAGE
(TOP VIEW)
SENSE1
SENSE2
SENSE3
GND
1
2
3
4
8
7
6
5
V
DD
MR
RESET
RESET
Typical Applications
Figure 1 lists some of the typical applications for the TPS3307 family, and a schematic diagram for a
processor-based system application. This application uses TI part numbers TPS3307-33 and MSP430C325.
2.5V
5V
3.3V
鈥?/div>
V
DD
SENSE 1
SENSE 2
470k鈩?/div>
RESET
100nF
V
DD
MSP430C325
RESET
GND
Applications using DSPs,
Microcontrollers or Microprocessors
Industrial Equipment
Programmable Controls
Automotive Systems
Portable/Battery Powered Equipment
Intelligent Instruments
Wireless Communication Systems
Notebook/Desktop Computers
TPS3307鈭?3
SENSE 3
620k鈩?/div>
GND
w
w
w
w
w
w
w
Figure 1. Applications Using the TPS3307 Family
DESCRIPTION
The TPS3307 family is a series of micropower supply voltage supervisors designed for circuit initialization
primarily in DSP and processor-based systems, which require more than one supply voltage.
The product spectrum of the TPS3307-xx is designed for monitoring three independent supply voltages:
3.3V/1.8V/adj, 3.3V/2.5V/adj or 3.3V/5V/adj. The adjustable SENSE input allows the monitoring of any supply
voltage >1.25V.
The various supply voltage supervisors are designed to monitor the nominal supply voltage as shown in the
following supply voltage monitoring table.
During power-on, RESET is asserted when the supply voltage V
DD
becomes higher than 1.1V. Thereafter, the
supply voltage supervisor monitors the SENSEn inputs and keeps RESET active as long as SENSEn remain
below the threshold voltage V
IT+
.
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.
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 1998鈥?004, Texas Instruments Incorporated

TPS3307-25DR 产品属性

  • 1

  • 集成电路 (IC)

  • PMIC - 监控器

  • -

  • 多压监控器

  • 3

  • 推挽式，图腾柱

  • 高有效/低有效

  • 最小为 140 ms

  • 2.25V，2.93V，可调

  • -40°C ~ 85°C

  • 表面贴装

  • 8-SOIC（0.154"，3.90mm 宽）

  • 8-SOIC

  • Digi-Reel®

  • 296-26937-6

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