MM1478A データシートの表示（PDF） - Mitsumi

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MM1478A

Regulator+Reset IC

Mitsumi 

MITSUMI

Equivalent Circuit Diagram

Regulator+Reset IC MM1478

Pin Description

Pin No. Pin name

Functions

1

N. C

---------------------------------------------------------------------

2 RESET Input voltage detection output

Input voltage detection output pin

---------------------------------------------------------------------

RESET pin logic

__

RESET

VIN<VS

L

VIN>VS

H

3 CONT Output voltage on/off-control pin

VCONT

L

H

Output

OFF

ON

Connect cont-terminal with VIN, when it is

not used.

4

VIN Voltage supply input pin

5

VOUT Regulator Output pin

6

N. C

7

GND GND pin

8

Cd Delay time capacitor pin

RESET pin output delay time can be set by

the capacitance connected to the Cd pin.

tPLH=100000·C

tPLH: transmission delay time [s]

C: capacitor value [F]

Equivalent circuit diagram

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