Datasheet > ACE809LBM+H

ACE809LBM+H

更新时间： 2022-12-19 11:07:58

品牌	Logo	应用领域
ACE		微处理器复位电路
页数	文件大小	规格书
6页	195K
描述
3-Pin Microprocessor Reset Circuits

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ACE809LBM+H 数据手册

ACE809

Technology

3-Pin Microprocessor Reset Circuits

Description

The ACE809 microprocessor supervisory circuits can be used to monitor the power supplies in

microprocessor and digital systems. They provide s reset to the microprocessor during power-up,

power-down and brown-out conditions.

The function of the ACE809 is to monitor the V_CCsupply voltage, and assert a reset signal whenever this

voltage declines below the factory-programmed reset threshold. The reset signal remains asserted for

240ms after V_CCrises above the threshold. The ACE809 has an active-low RESET output. The output of

the ACE809 is guaranteed valid down to V_CC=1V. The device is available in a SOT-23-3L package.

The ACE809 is optimized to reject fast transient glitches on the V_CCline. Low supply current of 25µA,

(V_CC=3.3V) makes these devices suitable for battery powered applications.

Features

• Precision Vcc Monitor for 3.0V,3.3V and 5.0V Supplies

• 140ms Guaranteed Minimum RESET Output Duration

• RESET Output Guaranteed to Vcc=1.0V

• Low 25μA Supply Current.

• Vcc Transient Immunity.

• No External Components.

Application

• Embedded systems

• Computers

• Critical μP Power Supply Monitoring

• Battery Powered equipment

Absolute Maximum Ratings

Parameter

Supply Voltage

Output Voltage

Input Current

Symbol

Max

Unit

V_CC

5.5

RESET -0.3 to (Vcc+0.3)

Output Current

Power Dissipation

I_OUT

P_D

Internally Limited

Thermal resistance junction to ambient

SOT-23-3

Operating junction temperature range

Storage temperature range

℃/W

θ_JA

T_J

230

0 to 125

-60 to 150

℃

T_STG

Note 1: Exceeding these rating could cause damage to the device. All voltages are with respect to Ground. Currents are positive

into, negative out of the specified terminal.

Note 2: Voltage values are with respect to the anode terminal unless otherwise noted.

VER 1.2

12 3 4 5 6

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