Datasheet > LTC2934CDC-1-TRMPBF

LTC2934CDC-1-TRMPBF

更新时间： 2024-02-28 13:44:29

品牌	Logo	应用领域
凌特 - Linear		监控
页数	文件大小	规格书
12页	175K
描述
Ultra-Low Power Adjustable Supervisor with Power-Fail Output

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LTC2934

Ultra-Low Power

Adjustable Supervisor with

Power-Fail Output

FEATURES

DESCRIPTION

The LTC^®2934 ultra-low power voltage monitor provides

system initialization, power-fail warning and reset gen-

eration functions. Low quiescent current (500nA typical)

makes the LTC2934 an ideal choice for battery-operated

applications.

500nA Quiescent Current

±±15ꢀ ꢁ(aꢂx Accuracꢃ over ꢄemperature

Operates Down to ±16V Supplꢃ

Adjustable Reset ꢄhreshold

Adjustable Power-Fail ꢄhreshold

Early Warning Power-Fail Output

Precision power-fail and reset voltages can be conﬁgured

independently. Early warning of an impending low volt-

age condition is provided at the power-fail output (PFO)

when the PFI input falls below 0.4V. Supervisory circuits

monitor the ADJ input and pull RST low when ADJ falls

below 0.4V. When ADJ is rising from an under-threshold

condition, aninternalresettimerisstartedafterexceeding

the ADJ threshold by 5%. The reset timeout delays the

return of the RST output to a high state. A pushbutton

switch connected to the MR input is typically used to

force a manual reset. Outputs RST and PFO are available

with open-drain (LTC2934-1) or active pull-up circuits

(LTC2934-2). Operating temperature range is from –40ºC

to 85ºC.

Selectable 15ms or 200ms Reset Timeout

Manual Reset Input

Compact 8-Lead, 2mm × 2mm DFN and TSOT-23

(ThinSOT™) Packages

APPLICATIONS

Portable Equipment

Battery-Powered Equipment

Security Systems

Point-of-Sale Devices

Wireless Systems

, LT, LTC, LTM are registered trademarks of Linear Technology Corporation. ThinSOT is

a trademark of Linear Technology Corporation. All other trademarks are the property of

their respective owners.

TYPICAL APPLICATION

Conﬁgurable Low Power Voltage Supervisor

Selectable Reset ꢄimeout Period

750k

11.8k

237k

PFO

RST

ADJ

0.1μF

BATTERY

POWERED

SYSTEM

LOGIC

15ms

LTC2934-2

RST, RT = GND

PFI

200ms

RST, RT = V

RT GND

2934 TA01b

2934 TA01a

POWER FAILFALLING THRESHOLD = 1.686V

RESET FALLING THRESHOLD = 1.606V

2934f

12 3 4 5 6 7...12

中文翻译

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与LTC2934CDC-1-TRMPBF相关器件

型号	品牌	获取价格	描述	数据表
LTC2934CDC-1-TRPBF	Linear	获取价格	Ultra-Low Power Adjustable Supervisor with Power-Fail Output
LTC2934CDC-2-TRMPBF	Linear	获取价格	Ultra-Low Power Adjustable Supervisor with Power-Fail Output
LTC2934CDC-2-TRPBF	Linear	获取价格	Ultra-Low Power Adjustable Supervisor with Power-Fail Output
LTC2934CTS8-1-TRMPBF	Linear	获取价格	Ultra-Low Power Adjustable Supervisor with Power-Fail Output
LTC2934CTS8-1-TRPBF	Linear	获取价格	Ultra-Low Power Adjustable Supervisor with Power-Fail Output
LTC2934CTS8-2-TRMPBF	Linear	获取价格	Ultra-Low Power Adjustable Supervisor with Power-Fail Output
LTC2934CTS8-2-TRPBF	Linear	获取价格	Ultra-Low Power Adjustable Supervisor with Power-Fail Output
LTC2934IDC-1#TRMPBF	Linear	获取价格	LTC2934 - Ultra-Low Power Adjustable Supervisor with Power-Fail Output; Package: DFN; Pins
LTC2934IDC-1-TRMPBF	Linear	获取价格	Ultra-Low Power Adjustable Supervisor with Power-Fail Output
LTC2934IDC-1-TRPBF	Linear	获取价格	Ultra-Low Power Adjustable Supervisor with Power-Fail Output

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