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
GND
VIN
Thermal
shutdown
Bias
CONT
Driver
limitter
Current
CN
Reference
OUTV
MITSUMI
Low-Saturation 300mA Regulators MM159X Series
Pin Description
Pin No. Pin name Function Internal equivalent circuit diagram
1 VOUT Output pin
2 NC
3 GND Ground pin
4 CN Noise decrease pin
1432
8567
SOP-8D/G
(TOP VIEW)
1 VOUT
2 NC
3 GND
4 C
N
5 CONT
6 NC
7 NC
8 V
IN
Pin Assignment
Error
Amp.
CN
Error
Amp.
OUTV
OUTV
MITSUMI
Low-Saturation 300mA Regulators MM159X Series
Pin No. Pin name Function Internal equivalent circuit diagram
5 COUT Control pin
6 NC No connection
7 NC No connection
8 V
IN Input pin
COUT Output
HON
L OFF
Absolute Maximum Ratings
(Ta=25°C)
Item Symbol Ratings Units
Storage temperature T
STG
-
55~+150 °C
Supply voltage V
IN
-
0.3~+13 V
Allowable loss Pd
950 *1 mW
Recommended Operating Conditions
Item Symbol Ratings Units
Operating temperature T
OPR
-
40~+85 °C
Output current I
OUT 0~300 mA
Operating voltage V
OP VO Typ.+0.5~13 V
Note : *1 With the double sided PC Board of glass epoxy
(Copper plane 80%, 192 142 1.2mm)
CONT
225k
300k
VIN
Bias
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