MITSUMI
Low-Saturation 300mA Regulators MM159X Series
Low-Saturation 300mA Regulators
Monolithic IC MM159X Series
Out...
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. Output current 3. Input/output voltage difference 4. High ripple rejection ratio 5. Wide operating temperature range 6. Output voltage 7. Output capacitor ±2.0% 300mA 0.15V typ. (Io=100mA) 70dB typ. -40~+85°C 1.5~5.0V (0.1V step) 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 VOUT
Bias
CONT
Thermal shutdown
w
w
w
.d
e e h s a t a
GND
. u t4
m o c
Driver
Current limitter
Reference
CN
www.DataSheet4U.com
MITSUMI
Low-Saturation 300mA
Regulators MM159X Series
Pin Assignment
8
7
6
5
1
2
3
4
SOP-8D/G (TOP VIEW)
1 2 3 4 5 6 7 8
VOUT NC GND CN CONT NC NC VIN
Pin Description
Pin No. 1 Pin name VOUT Function Output pin Internal equivalent circuit diagram
VOUT
Error Amp.
2 3 4
NC GND CN
Ground pin Noise decrease pin
VOUT CN
Error Amp.
MITSUMI
Low-Saturation 300mA
Regulators MM159X Series
Pin No. 5
Pin name COUT
Function Control pin COUT H L Output...