MM1458 Ver la hoja de datos (PDF) - Mitsumi

Número de pieza

componentes Descripción

Fabricante

MM1458

Regulator+Reset IC

Mitsumi 

MITSUMI

Pin Description

Pin No. Pin name

Functions

1

GND GND pin

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

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

GND GND pin

7

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]

Regulator+Reset IC MM1458

Equivalent circuit diagram

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Operating temperature

TOPR

-20~+80

°C

Storage temperature

TSTG

-40~+125

°C

Supply voltage

VIN

-0.3~+10

V

Output current

IOUT

400

mA

Power dissipation

Pd

800*

mW

Note: * When mounted on a 25 40 1t mm glass epoxy board.

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