Datasheet > TPS3306-25

TPS3306-25

更新时间： 2024-10-13 22:52:55

品牌	Logo	应用领域
德州仪器 - TI		监控
页数	文件大小	规格书
13页	270K
描述
DUAL PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL

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数据手册

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TPS3306-25 数据手册

TPS3306-15

TPS3306-18, TPS3306-20

TPS3306-25, TPS3306-33

www.ti.com

SLVS290A–APRIL 2000–REVISED MAY 2004

DUAL PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL

FEATURES

APPLICATIONS

•

Multivoltage DSPs and Processors

•

Dual Supervisory Circuits With Power-Fail for

DSP and Processor-Based Systems

Portable Battery-Powered Equipment

Embedded Control Systems

Intelligent Instruments

•

Voltage Monitor for Power-Fail or Low-Battery

Warning

Automotive Systems

•

Watchdog Timer With 0.8 Second Time-Out

Power-On Reset Generator With Integrated

100 ms Delay Time

D OR DGK PACKAGE

(TOP VIEW)

•

Open-Drain Reset and Power-Fail Output

Supply Current of 15 µA (Typ.)

SENSE1

SENSE2

PFI

WDI

PFO

Supply Voltage Range . . . 2.7 V to 6 V

Defined RESET Output From V_DD≥ 1.1 V

MSOP-8 and SO-8 Packages

GND

RESET

Temperature Range . . . - 40°C to 85°C

DESCRIPTION

The TPS3306 family is a series of supervisory circuits designed for circuit initialization which require two supply

voltages, primarily in DSP and processor-based systems.

The product spectrum of the TPS3306-xx is designed for monitoring two independent supply voltages of

3.3 V/1.5 V, 3.3 V/1.8 V, 3.3 V/2 V, 3.3 V/2.5 V, or 3.3 V/5 V.

TYPICAL OPERATING CIRCUIT

3.3 V

1.5 V

TPS3306–15

SENSE1

R3 R4

SENSE2

PFI

WDI

PFO

B_XF

TMS320

VC5441

A_XF

RESET

GND

RESET

SSA

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.

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.

12 3 4 5 6 7...13

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