MITSMI MM1593K, MM1594A, MM1594B, MM1594C, MM1594D Datasheet
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MITSUMI |
Low-Saturation 300mA Regulators MM159X Series |
Low-Saturation 300mA Regulators
Monolithic IC MM159X Series
Outline
This is a 300mA output low-saturation regulator IC with low noise and high ripple rejection ratio. Ceramic capacitors can be used for the output capacitors, and it has an output noise reduction pin and ON/OFF control pin.
Features
1. |
High precision output voltage |
±2.0% |
2. |
Output current |
300mA |
3. |
Input/output voltage difference |
0.15V typ. (Io=100mA) |
4. |
High ripple rejection ratio |
70dB typ. |
5. |
Wide operating temperature range |
-40~+85°C |
6. |
Output voltage |
1.5~5.0V (0.1V step) |
7. |
Output capacitor |
1µF(ceramic) |
Package
SOP-8D/G
Applications
1.Constant voltage power supply for devices that use batteries
2.Constant voltage power supply for portable communications devices
3.Constant voltage power supply for household electronics products
Block Diagram
VIN |
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VOUT |
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Bias |
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CONT |
Thermal |
Driver |
Current |
Reference |
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shutdown |
limitter |
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GND
CN
MITSUMI |
Low-Saturation 300mA Regulators MM159X Series |
Pin Assignment
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8 |
7 |
6 |
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5 |
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1 |
2 |
3 |
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4 |
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SOP-8D/G |
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(TOP VIEW) |
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1 |
VOUT |
2 |
NC |
3 |
GND |
4 |
CN |
5 |
CONT |
6 |
NC |
7 |
NC |
8 |
VIN |
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Pin Description
Pin No. |
Pin name |
Function |
Internal equivalent circuit diagram |
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1 |
VOUT |
Output pin |
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VOUT |
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Error
Amp.
2 |
NC |
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3 |
GND |
Ground pin |
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4 |
CN |
Noise decrease pin |
VOUT
CN
Error
Amp.
MITSUMI |
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Low-Saturation 300mA Regulators MM159X Series |
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Pin No. |
Pin name |
Function |
Internal equivalent circuit diagram |
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5 |
COUT |
Control pin |
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CONT |
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COUT |
Output |
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H |
ON |
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L |
OFF |
225k |
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300k
6 |
NC |
No connection |
7 |
NC |
No connection |
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8 |
VIN |
Input pin |
VIN
Bias
Absolute Maximum Ratings (Ta=25°C)
Item |
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Symbol |
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Ratings |
Units |
Storage temperature |
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TSTG |
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-55~+150 |
°C |
Supply voltage |
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VIN |
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-0.3~+13 |
V |
Allowable loss |
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Pd |
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950 *1 |
mW |
Note : *1 With the double sided PC Board of glass epoxy |
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(Copper plane 80%, 192 |
142 1.2mm) |
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Recommended Operating Conditions
Item |
Symbol |
Ratings |
Units |
Operating temperature |
TOPR |
-40~+85 |
°C |
Output current |
IOUT |
0~300 |
mA |
Operating voltage |
VOP |
VO Typ.+0.5~13 |
V |
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