BLOCK DIAGRAM

SCHEMATIC DIAGRAM

PIN FUNCTIONS

N

°

Name

Function

1

Input 1

Low Quiescent Current 50mA Regulator Input.

2

Input 2

100mA Regulator Input.

3

Timing

Capacitor

If Reg. 2 is switching-ON the delay capacitor is charged with a 10

µA constant current. When

Reg. 2 is switched-OFF the delay capacitor is discharged.

4

GND

Common Ground.

5

N.C.

Not connected.

6

Reset

Output

When pin 3 reaches 5V the reset output is switched high.

5V

10

µA

7

Output 2

8

Output 1

5V – 50mA regulator output with low leakage in switch-OFF condition.

L4904A

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