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componentes Descripción
Lista de partido
MM1482
Mitsumi
Mitsumi Mitsumi
MM1482 Datasheet PDF : 6 Pages
1 2 3 4 5 6
MITSUMI
IC for Regulator+Reset
Monolithic IC MM1482
IC for Regulator+Reset MM1482
June 23, 1999
Outline
This IC, developed for use in CD-ROM drives, combines a 3V regulator adapted to low power consumption
with a much-sought reset function (regulator input monitoring), with internal delay circuit, set to detect 4.2V.
Features
1. Large output current
300mA max.
2. High ripple rejection rate
80dB typ.
3. Internal thermal shutdown circuit.
4. Internal current-limiting circuit.
5. Adjustment-free reset detection voltage
4.2V typ.
6. Easy to set delay time from voltage detection to reset release.
7. Operating temperature range and ripple elimination rate are available separately for 3 ranks.
Package
SOP-8D
Applications
1. CD-ROM drive
2. Optical disc drivers
Pin Assignment
8765
1234
SOP-8D
(TOP VIEW)
Equivalent Circuit Diagram
1
N. C
---------------------------------------------------------------------
2
RESET
3
Cf
4
VIN
5
VOUT
6
N. C
7
GND
8
Cd

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