MITSUMI
Pin Description
Pin No. Pin Name Input/Output
Function
7
EI
Input Error Amplifier Input
4ch Moter driver IC for Portable CD Player
Internal Equivalent Circuit
VSYS1
7
35kΩ
21.6kΩ
8
SPRT
Output Short Circuit Protection
Setting
VSYS1
8
220kΩ
9
CT
Output Triangular-Wave Output
10
N.C.
11
OP-
Input Op Amp Negative Input
14
OP+
Op Amp Positive Input
VSYS1
9
420kΩ
BATT
2kΩ
10kΩ
14
11
12
VSYS1
Input Control Circuit Power Supply
Input
13
OPOUT Output Op Amp Output
Control Circuit Power Supply
VSYS1
13