IC for Regulator+Reset MM1437
MITSUMI
IC for Regulator+Reset
Monolithic IC MM1437
September 22, 1999
Outline
This IC combines a low saturation 5V regulator, adapted for low power consumption, and a reset function
(regulator output monitoring), for which there is significant market need, that uses the built-in 4.2V, 4.5V and
4.7V detection delay circuit.
Features
on
tin
ue
d
1. Low drop voltage
0.25V typ.
2. High input voltage
18V max.
3. Internal thermal shutdown circuit.
4. Internal current-limiting circuit.
5. Adjustment-free reset detection voltage
A rank: 4.2V typ. B rank: 4.5V typ. C rank: 4.7V typ.
6. Easy to set delay time from voltage detection to reset release.
Package
di
sc
SOP-7A
TV, monitors, air conditioners, others.
st
o
Pin Assignment
be
Applications
uc
t
Pr
od
1
6
2
3
SOP-7A
RESET
Cd
4
4
2
3
5
GND
VIN
5
VOUT
6
7
1
GND
7
N.C