TLC7725QPWR

更新时间： 2024-11-23 12:04:51

品牌	Logo	应用领域
德州仪器 - TI		监控
页数	文件大小	规格书
36页	1674K
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Micropower Supply Voltage Supervisors

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TLC7725QPWR 数据手册

TLC7701, TLC7725, TLC7703

TLC7733, TLC7705

www.ti.com

SLVS087M –DECEMBER 1994–REVISED MARCH 2012

Micropower Supply Voltage Supervisors

Check for Samples: TLC7701, TLC7725, TLC7703 , TLC7733, TLC7705

FEATURES

DRB PACKAGE

•

Power-On Reset Generator

Automatic Reset Generation After Voltage

Drop

•

Precision Voltage Sensor

Temperature-Compensated Voltage Reference

Programmable Delay Time by External

Capacitor

•

Supply Voltage Range . . . 2 V to 6 V

Defined RESET Output from V_DD≥ 1 V

Power-Down Control Support for Static RAM

With Battery Backup

•

Maximum Supply Current of 16 µA

Power Saving Totem-Pole Outputs

Temperature Range . . . Up to –55°C to 125°C

APPLICATIONS

•

Medical Imaging

DESCRIPTION

The TLC77xx family of micropower supply voltage

supervisors provide reset control, primarily in

microcomputer and microprocessor systems.

During power-on, RESET is asserted when V_DD

reaches

1 V. After minimum V_DD(≥2 V) is

established, the circuit monitors SENSE voltage and

keeps the reset outputs active as long as SENSE

voltage (V_I(SENSE)

) remains below the threshold

voltage. An internal timer delays return of the output

to the inactive state to ensure proper system reset.

The delay time, t_d, is determined by an external

capacitor:

t_d= 2.1 × 10⁴× C_T

Where

C_Tis in farads

t_dis in seconds

SPACER

Except for the TLC7701, which can be customized with two external resistors, each supervisor has a fixed sense

threshold voltage set by an internal voltage divider. When SENSE voltage drops below the threshold voltage, the

outputs become active and stay in that state until SENSE voltage returns above threshold voltage and the delay

time, t_d, has expired.

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...36

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TLC7725QPWR 替代型号

型号	品牌	替代类型	描述	数据表
TLC7725QPWLE	TI	完全替代	Micropower Supply Voltage Supervisors
TLC7725IPWLE	TI	完全替代	Micropower Supply Voltage Supervisors
TLC7725IPW	TI	类似代替	MICROPOWER SUPPLY VOLTAGE SUPERVISORS

与TLC7725QPWR相关器件

型号	品牌	获取价格	描述	数据表
TLC7725QPWRG4	TI	获取价格	Micropower Supply Voltage Supervisors
TLC7733	TI	获取价格	MICROPOWER SUPPLY VOLTAGE SUPERVISORS
TLC7733-EP	TI	获取价格	MICROPOWER SUPPLY VOLTAGE SUPERVISORS
TLC7733ID	TI	获取价格	MICROPOWER SUPPLY VOLTAGE SUPERVISORS
TLC7733IDG4	TI	获取价格	Micropower Supply Voltage Supervisors
TLC7733IDR	TI	获取价格	Micropower Supply Voltage Supervisors
TLC7733IDRG4	TI	获取价格	Micropower Supply Voltage Supervisors
TLC7733IP	TI	获取价格	MICROPOWER SUPPLY VOLTAGE SUPERVISORS
TLC7733IPE4	TI	获取价格	Micropower Supply Voltage Supervisors
TLC7733IPW	TI	获取价格	MICROPOWER SUPPLY VOLTAGE SUPERVISORS

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