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 POWER SUPPLY ICs
Packages Packing Model No. Structure
ICS
IC for Regulator+Reset
Monolithic IC MM1687 Series
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[Outline]
This IC is a regulator + reset IC developed for optical disc drives such as DVD-ROM drives.
The output voltage of the regulator and detection voltage of the reset are fixed, while the output voltage of the reset and detection voltage of the reset are programmable ranging from 1.5V to 5.0V, and 2.7V to 5.0V respectively upon request.

[Features]
1. 
Output voltage accuracy
±2%
2. 
Dropout voltage
0.12V typ. (Io=150mA)
3. 
Large output current
300mA max.
4. 
High ripple rejection
80dB typ.
5. 
Incorporates a thermal shutdown circuit
6. 
Incorporates a current limit circuit
7. 
Reset detection voltage
3.0 ~ 5.0V
8. 
Delay time from the voltage detection to the reset release can be easily programme


[Package]


[Applications]
1. CD-ROM drive
2. Optical disc drivers


[Pin Assignment]

SOP-8D
(TOP VIEW)
0
1
NC
2
RESET
3
Vdet
4
VIN
5
VOUT
6
NC
7
GND
8
Cd


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