SP703EP-L

更新时间： 2024-11-18 13:13:55

品牌	Logo	应用领域
西伯斯 - SIPEX		电池微处理器监控
页数	文件大小	规格书
16页	219K
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数据手册

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SP703EP-L 数据手册

SP703/SP704

Low Power Microprocessor Supervisory

with Battery Switch-Over

■ Precision Voltage Monitor:

SP703 at 4.65V

SP704 at 4.40V

■ Reset Time Delay - 200ms

■ Debounced TTL/CMOS -

Compatible Manual - Reset Input

■ Minimum component count

■ 60µA Maximum Operating Supply Current

■ 0.6µA Maximum Battery Backup Current

■ 0.1µA Maximum Battery Standby Current

■ Power Switching

250mA Output in V_CCMode (0.6Ω)

25mA Output in Battery Mode (5Ω)

■ Voltage Monitor for Power Fail or

Low Battery Warning

■ Available in 8 pin SO and DIP packages

■ RESET asserted down to V_CC= 1V

■ Pin Compatible Upgrades to

MAX703/MAX704

DESCRIPTION

The SP703/704 devices are microprocessor (µP) supervisory circuits that integrate a myriad

of components involved in discrete solutions to monitor power-supply and battery-control

functions in µP and digital systems. The series will significantly improve system reliability and

operational efficiency when compared to discrete solutions. The features of the SP703/704

devices include a manual reset input, a µP reset and backup-battery switchover, and power-

failure warning. The series is ideal for applications in computers, controllers, intelligent

instruments and automotive systems. All designs where it is critical to monitor the power

supply to the µP and its related digital components will find the series to be an ideal solution.

BATTERY SWITCHOVER

CIRCUITRY

BATT

OUT

VCC

OUT

BATT

RESET

GENERATOR

RESET

1.25V

GND

PFI

PFO

1.25V

PINOUT

INTERNAL BLOCK DIAGRAM

SP703/704DS/07

SP703/704 Low Power Microprocessor Supervisory

12 3 4 5 6 7...16

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