MM1481 查看數據表（PDF） - Mitsumi

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MM1481

Regulator+Reset IC

Mitsumi 

MITSUMI

Pin Description

Pin No. Pin Name

Functions

1

Cd Delay time capacitor pin

The delay time of RESET output can be set

according to the capacity value connected

with Cd

tPLH=450000 · C

tPLH1: Delay Time [s]

C: Cd-capacitance [F]

Regulator+Reset IC MM1481

Equivalent circuit diagram

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2 RESET RESET -output pin

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RESET pin logic

__

RESET

Vdet<VS

L

Vdet>VS

H

When the voltage of VIN decreases to 1.6V

or less, it is likely to become "L" regardless

of Vdet voltaege.

3

Vdet Voltage-supply pin (reset)

4

VIN Voltage-supply pin

5

VOUT1 Regulator output pin (150mA)

6

VOUT2 Regulator output pin (100mA)

7

GND GND pin

8

CONT VOUT1 ON/OFF-control pin

VCONT

L

H

VOUT1

OFF

ON

Connect cont-terminal with VIN, when it is

not used.

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Storage temperature

TSTG

-40~+125

°C

Supply voltage

VIN

-0.3~+10

V

Output current 1

IOUT1

300

mA

Output current 2

IOUT2

200

mA

Power dissipation

Pd

550*

mW

Note: * When mounted on a (Copper foil area 80%, 100 100 1.6t mm) glass epoxy board.

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