MM1561J
MM1561J is 500mA Regulator manufactured by Mitsumi Electronics.
Features
1. No-load current consumption 2. I/O voltage difference 3. Ripple rejection rate 4. Output current 5. Output noise voltage 6. Output voltage rank 7. Output ON/OFF control
1.9m A typ. 0.3V typ. (IO=250m A) 64d B typ. (f=120Hz, VRIPPLE=1VP-P, IO=250m A) 500m A max. 75µVrms typ. 1.8 ~ 5.0V (0.1V steps) High ON, Low OFF
Package
SOP-7B
Applications
1. Cordless telephone 2. Portable equipment, etc.
Pin Assignment
SOP-7B (TOP VIEW)
1 2 3 4 5 6 7
VO NC GND Cn CONT Sub VIN
MITSUMI
Equivalent Circuit Diagram
Cont
Bias
Thermal shutdown
Driver
500m A Regulator MM156 F VO
Current limitter
Reference
Pin Description
Pin No. 1
Pin name VOUT
Function Output pin
2 NC No connection
Ground
4 Cn Noise decrease pin
Cn
Internal equivalent circuit diagram
VOUT
Error Amp.
VOUT Cn
Error Amp.
MITSUMI
Pin No....