CS8141YN14 参数 Datasheet PDF下载

CS8140/1

Application Diagrams

Battery

C

1

*

0.1mF

(optional)

Ignition

0.1mF

V

IN

V

OUT

5V

C

2

**

10mF*

2.7kW

RESET

WATCHDOG

PORT

R***

CS8140

ENABLE

DELAY

Gnd

RESET

WDI

V

cc

MICROPROCESSOR

*C1 is required if regulator is located far from the power source filter.

**C2 required for stability

***R ² 80k�½

Figure 7. Application Diagram

9V

V

IN

Switch

R

1

110K

C1

0.1mF

ENABLE

C

Delay

C2

0.1mF

V

OUT

CS8140/1

RESET

WDI

Gnd

V

cc

10mF

2.7k

MICROPROCESSOR

RESET

WATCHDOG PORT

Figure 8. Applications diagram for CS8140. The CS8140 provides a 5V tightly regulated supply and control function to the microprocessor. In this

application, the microprocessor controls its own power down sequence (see

text).

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