TLV809I50

更新时间： 2024-11-08 12:15:55

品牌	Logo	应用领域
德州仪器 - TI		监控
页数	文件大小	规格书
16页	691K
描述
3-Pin Supply Voltage Supervisors

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数据手册

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TLV809I50 数据手册

TLV809J25, TLV809L30

TLV809K33, TLV809I50

www.ti.com

SLVSA03C –JUNE 2010–REVISED FEBRUARY 2012

3-Pin Supply Voltage Supervisors

Check for Samples: TLV809J25, TLV809L30, TLV809K33, TLV809I50

FEATURES

APPLICATIONS

•

3-Pin SOT23 Package

•

DSPs, Microcontrollers, and Microprocessors

Supply Current: 9 µA (Typical)

Precision Supply Voltage Monitor:

2.5 V, 3 V, 3.3 V, 5 V

Wireless Communication Systems

Portable/Battery-Powered Equipment

Programmable Controls

•

Power-On Reset Generator with

Fixed Delay Time of 200 ms

Intelligent Instruments

Industrial Equipment

•

Pin-for-Pin Compatible with MAX809

Temperature Range: –40°C to +85°C

Notebook and Desktop Computers

Automotive Systems

DESCRIPTION

The TLV809 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_DD) becomes 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 threshold voltage, V_IT. When the supply

voltage drops below the V_ITthreshold voltage, the output becomes active (low) again. No external components

are required. All the devices in this family have a fixed sense-threshold voltage (V_IT) set 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 TLV809 devices are characterized for operation over a temperature range of –40°C

to +85°C.

TLV809

DBV/DBZ Packages

Figure 1. TYPICAL APPLICATION

3.3-V LDO

3.3 V

GND

5 V

OUT

GND

V_DD

DSP/FPGA/ASIC

RESET

V_DD

TLV809K33

RESET

GND

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.

All trademarks are the property of their respective owners.

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...16

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与TLV809I50相关器件

型号	品牌	获取价格	描述	数据表
TLV809I50DBVR	TI	获取价格	3-Pin Supply Voltage Supervisors
TLV809I50DBVT	TI	获取价格	3-Pin Supply Voltage Supervisors
TLV809I50DBZR	TI	获取价格	3-Pin Supply Voltage Supervisors
TLV809I50DBZT	TI	获取价格	3-Pin Supply Voltage Supervisors
TLV809J25DBVR	TI	获取价格	3-Pin Supply Voltage Supervisors
TLV809J25DBVT	TI	获取价格	3-Pin Supply Voltage Supervisors
TLV809J25DBZR	TI	获取价格	3-Pin Supply Voltage Supervisors
TLV809J25DBZT	TI	获取价格	3-Pin Supply Voltage Supervisors
TLV809K33DBVR	TI	获取价格	3-Pin Supply Voltage Supervisors
TLV809K33DBVT	TI	获取价格	3-Pin Supply Voltage Supervisors

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