Package; Harman/Kardon, Inc; Pin Assignment - Harman Kardon AVR320 Service Manual

AVR320
MITSUMI
500mA Regulator
Monolithic IC MM156
Outline
This IC is a small, stable power supply with output voltage precision of ±2% (when I
output current of 500mA, and I/O voltage difference of 0.3V typ. at 250mA.
Output noise reduction and output ON/OFF control pins are provided, making it ideal for portable equipment.
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

Package

SOP-7B
Applications
1. Cordless telephone
2. Portable equipment, etc.

Pin Assignment

1.9mA typ.
0.3V typ. (I =250mA)
O
64dB typ. (f=120Hz, V
500mA max.
75µVrms typ.
1.5 ~ 5.0V (0.1V steps)
High ON, Low OFF
7 6 5
1 2 3 4
SOP - 7B
(TOP VIEW)
106
500mA Regulator MM156
F
O
=1V , I =250mA)
RIPPLE P-P O
V
1
O
NC
2
3 GND
Cn
4
CONT
5
Sub
6
V
7
IN
harman/kardon
F
= 250mA), maximum