TPS3809-EP

更新时间： 2024-11-08 11:07:55

品牌	Logo	应用领域
德州仪器 - TI		监控电源管理电路电源电路
页数	文件大小	规格书
13页	376K
描述
增强型产品 3 引脚电源电压监控器

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中文翻译

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数据手册

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TPS3809-EP 数据手册

TPS3809L30-EP, TPS3809K33-EP, TPS3809I50-EP

3-PIN SUPPLY VOLTAGE SUPERVISORS

www.ti.com

SGLS369A–AUGUST 2006–REVISED NOVEMBER 2006

FEATURES

•

Controlled Baseline

– One Assembly Site

– One Test Site

•

Precision Supply Voltage Monitor

2.5 V, 3 V, 3.3 V, 5 V

Power-On Reset Generator With Fixed Delay

Time of 200 ms

– One Fabrication Site

Pin-for-Pin Compatible With MAX 809

•

Extended Temperature Performance of –55°C

to 125°C

DBV PACKAGE

(TOP VIEW)

Enhanced Diminishing Manufacturing

Sources (DMS) Support

GND

•

Enhanced Product-Change Notification

(1)

Qualification Pedigree

3-Pin SOT-23 Package

RESET

Supply Current of 9 µA (Typical)

(1) Component qualification in accordance with JEDEC and

industry standards to ensure reliable operation over an

extended temperature range. This includes, but is not limited

to, Highly Accelerated Stress Test (HAST) or biased 85/85,

temperature cycle, autoclave or unbiased HAST,

electromigration, bond intermetallic life, and mold compound

life. Such qualification testing should not be viewed as

justifying use of this component beyond specified

performance and environmental limits.

DESCRIPTION

The TPS3809 family of supervisory circuits provides circuit initialization and timing supervision, primarily for

DSPs and processor-based systems.

During power-on, RESET is asserted when the supply voltage V_DDbecomes higher than 1.1 V. Thereafter, the

supervisory circuit monitors V_DDand keeps RESET active as long as V_DDremains below the threshold voltage

V_IT. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset.

The delay time, t_d(typ)= 200 ms, starts after V_DDhas risen above the V_IT. When the supply voltage drops below

the V_IT, the output becomes active (low) again. No external components are required. All the devices of this

family have a fixed-sense V_ITset by an internal voltage divider.

The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are available in

a 3-pin SOT-23 package. The TPS3809 devices are characterized for operation over a temperature range of

–55°C to 125°C.

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

中文翻译

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与TPS3809-EP相关器件

型号	品牌	获取价格	描述	数据表
TPS3809I50	TI	获取价格	3-PIN SUPPLY VOLTAGE SUPERVISORS
TPS3809I50DBV	TI	获取价格	3-PIN SUPPLY VOLTAGE SUPERVISORS
TPS3809I50DBVR	TI	获取价格	3-PIN SUPPLY VOLTAGE SUPERVISORS
TPS3809I50DBVRG4	TI	获取价格	具有低电平有效推挽复位功能的 3 引脚电压监控器（复位 IC） \| DBV \| 3 \| -
TPS3809I50DBVT	TI	获取价格	3-PIN SUPPLY VOLTAGE SUPERVISORS
TPS3809I50DBVTG4	TI	获取价格	3-Pin Supply Voltage Supervisor 3-SOT-23 -40 to 85
TPS3809I50-EP	TI	获取价格	3-PIN SUPPLY VOLTAGE SUPERVISORS
TPS3809I50MDBVREP	TI	获取价格	暂无描述
TPS3809I50-Q1	TI	获取价格	3-PIN SUPPLY VOLTAGE SUPERVISORS
TPS3809I50QDBVRQ1	TI	获取价格	3-PIN SUPPLY VOLTAGE SUPERVISORS

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