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PRODUCTS PRODUCTS INDEX
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 POWER SUPPLY ICs
ICS
1A LDO with soft-start
Monolithic IC MM3479
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[Outline]
This IC is a 1A LDO with soft-start.
The soft-start can reduce a rush current by the Cs capacitor on start-up.
Package is SOT89-5A which can be the high radiation of heat on small space.


[Features]
1. 
No load input current
6V
2. 
Output current
1A
3. 
No load input current
50µA typ.
4. 
Input current (OFF)
1µA max.
5. 
Output voltage range
1.2 ~ 5.0V
6. 
Output voltage accuracy
±1% or ±15mV
7. 
Dropout voltage
0.7V max. (Io=1A, Vo=3V)
8. 
Line regulation
0.2%/V max.
9. 
Load regulation
130mV max.(Io=1 ~ 300mA)
10.
Ripple rejection
70dB typ. (f=1kHz)
11.
Thermal shutdown
Built-in
12.
Output Capacitor
1µF


[Package]


[Applications]
1. TV
2. BD recorder/player
3. Printer
4. Game

[Pin Assignment]

SOT89-5A
(TOP VIEW)
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1
CE
2
GND
3
CS
4
VDD
5
VOUT


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[NOTE]
-Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
-The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
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