mm1478 Mitsumi Electronics, Corp., mm1478 Datasheet - Page 2

• Manufacturer Part Number: mm1478
• Description: Ic For Regulator+reset
• Manufacturer: Mitsumi Electronics, Corp.

MITSUMI
MITSUMI
Equivalent Circuit Diagram
Pin Description
Pin No. Pin name
1
2
3
4
5
6
7
8
---------------------------------------------------------------------
RESET
CONT Output voltage on/off-control pin
GND
V
N. C
N. C
V
Cd
OUT
IN
Input voltage detection output
Input voltage detection output pin
---------------------------------------------------------------------
Connect cont-terminal with V
not used.
Voltage supply input pin
Regulator Output pin
GND pin
Delay time capacitor pin
RESET pin output delay time can be set by
the capacitance connected to the Cd pin.
t
t
C: capacitor value [F]
RESET
PLH
PLH
=100000·C
: transmission delay time [s]
V
V
V
IN
IN
CONT
H
L
<VS
>VS
pin logic
_ _
Functions
RESET
Output
OFF
ON
H
L
IN
, when it is
Equivalent circuit diagram
IC for Regulator+Reset MM1478