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IC BLOCK DIAGRAM & DESCRIPTION
IC160 IKE80-E(Power Amp.)
1
FWD
2
3
4
5
VLO+
VCCP2
VLO-
6
VO4+
7
VO4-
8
VO3+
9
VO3-
10
VO2+
11
VO2-
12
13
VO1+
VO1-
14
VCCP1
VCCS 15
16
VIN1+
18
VIN1
17
VIN1-
36
35
34
33 MUTE234
32 VIN4-
31 VIN4
SGND
VCONT
MUTE1
30 VREF_IN
29 VREF_OUT
28
FR
FR
REG_OUT
27 REG_IN
26 VIN+OP
25 VIN-OP
24
23 VIN3
VO_OP
22 VIN3-
21 VIN2
19
20 VIN2-
VIN2+
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Function
LOADING Output switching (FWD)
Ă
LOADING Logic input
LOADING Output switching (REV)
Ă
LOADING Logic input
CH34 LOADING Power supply
LOADING Output (-)
LOADING Output (+)
CH4 Output (+)
CH4 Output (-)
CH3 Output (+)
CH3 Output (-)
CH2 Output (+)
CH2 Output (-)
CH1 Output (-)
CH1 Output (+)
CH1
Ă
2
ā
Power supply
Signal stem power supply
CH1 Input
Ă
Input OP-AMP (+) Input
CH1 Input
Ă
Input OP-AMP (-) Input
CH1 Input
Ă
Input OP-AMP Output
Name
FWD
REV
VCC2
VLO-
VLO+
VO4+
VO4-
VO3+
VO3-
VO2+
VO2-
VO1-
VO1+
VCCP1
VCCS
VIN1+
VIN1-
VIN1
No.
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Function
CH2 Input
Ă
Input OP-AMP (+) Input
CH2 Input
Ă
Input OP-AMP (-) Input
CH2 Input
Ă
Input OP-AMP Output
CH3 Input
Ă
Input OP-AMP (-) Input
CH3 Input
Ă
Input OP-AMP Output
OP-AMP
Ă
Output
OP-AMP
Ă
(-) Input
OP-AMP
Ă
(+) Input
Regulator, Error AMP Output
Fxternal PNP transistor base
Regulator,Error AMP Input (+)
VREF_AMP (Voltage follow-up) Output
VREF Input
Ă
External PNP transistor base
CH4 Input
Ă
Input OP-AMP Output
CH4 Input
Ă
Input OP-AMP (-) Input
CH2
Ă
3
Ă
4
ā
Output ON/OFF
CH1 Output ON/OFF
LOADING Output (H Voltage) set
Signal stem GND
Name
VIN2+
VIN2-
VIN2
VIN3-
VIN3
VO-OP
VIN-OP
VIN+OP
REG_IN
REG_OUT
VREF_OUT
VREF_IN
VIN4
VIN4-
MUTE234
MUTE1
VCONT
S_GND
REV
CH1
CH2,3,4
44k
11k
44k
REG IN
REG OUT
(VCC)
11k
44k
44k
11k
11k
Input
Thermal shutdown
Signal stem GND
(Load outout voltage set)
MUTE
Match CH:ON/OFF
H:Output ON, L:Output OFF
Output
control
Level
shift
Level
shift
Level
shift
Level
shift
To VREFOUT
To VREFOUT
Power
stem
GND
Power
stem
GND
Signal stem
power supply
