ERROR AMP
1.23V
37
38
36
-INE1
CS1
FB1
34
33
OUT1-1
35 VCCO
OUT1-2
VREF
ERROR
AMP1
Pch
DRIVE1-1
DRIVE1-2
Nch
PWM
COMP.1
<CH1>
DEAD TIME
(1.0V)
1µA
2
1
3
-INE2
CS2
FB2
4
DTC2
32 OUT2
VREF
ERROR
AMP2
Pch
DRIVE2
PWM
COMP.2
<CH2>
(1.23V)
1µA
18
19
17
-INE3
CS3
FB3
16
DTC3
31 OUT3
VREF
ERROR
AMP3
Pch
DRIVE3
PWM
COMP.3
<CH3>
1.23V
1µA
21
20
22
-INE4
CS4
FB4
23
DTC4
30 OUT4
VREF
ERROR
AMP4
Pch
DRIVE4
PWM
COMP.4
<CH4>
1.23V
1µA
26
27
25
-INE5
CS5
FB5
24
DTC5
10
-INS
15
CSCP
7
CTL3
8
CTL4
9
12
13
11
14
RT CT
VREF
GND
6
5
CTL
VCC
CTL5
29 OUT5
28 GND0
VREF
ERROR
AMP5
Pch
DRIVE5
PWM
COMP.5
<CH5>
1.23V
1V
UVLO2
UVLO1
SCP
CH
CTL
OSC
VREF
SCP
COMP.
VREF
BIAS
2.0V
VR
POWER
ON/OFF
CTL
ERROR AMP
SCP COMP.
1µA
IC0501
MB39A115
ERROR AMP
REFERENCE
1.23V
37
38
36
-INE1
CS1
FB1
33
32
OUT1-1
25 VCCO-N
34 VCCO-P
OUT1-2
VREF
ERROR
AMP1
Pch
DRIVE1-1
DRIVE1-2
Nch
PWM
COMP.1
<CH1>
DEAD TIME
(1.23V)
1µA
30 OUT2-2
DRIVE1-2
Nch
2
1
3
-INE2
CS2
FB2
4
DTC2
35
DTC2
31 OUT2-1
VREF
ERROR
AMP2
Pch
DRIVE2
PWM
COMP.2
<CH2>
(1.23V)
1µA
18
19
17
-INE3
CS3
FB3
16
DTC3
27 OUT3
VREF
ERROR
AMP3
Pch
DRIVE3
PWM
COMP.3
<CH3>
1.23V
1µA
21
20
22
-INE4
CS4
FB4
23
DTC4
24
-INS
15
CSCP
7
CTL1
8
CTL2
9
12
13
11
14
RT CT
VREF
GND
6
5
CTL
VCC
CTL3
10
CTL4
26 OUT4
29 GND01
28 GND02
VREF
ERROR
AMP4
Pch
DRIVE4
PWM
COMP.4
<CH4>
1.23V
1V
UVLO
SCP
CH
CTL
OSC
VREF
SCP
COMP.
VREF
BIAS
2.0V
VR
POWER
ON/OFF
CTL
ERROR AMP POWER SUPPLY
SCP COMP POWER SUPPLY
1µA
IC0502
MB39A110
DEAD TIME
CONT.
OVER
CURRENT
PROTECT
VREF
1
2
3
CTL
GND
NP
4
6
V OUT
V IN
IC0503,
IC0504
TK11215CMC
OVER
CURRENT
PROTECT
VREF
SW
CONT
IC0505
TK72175CM
3
VSS
VDD
4
2
1
A
5
8
6
7
IC1302,
IC1306
NJM13404R-TE1
B
4
1
2
5
3
VCC
GND
IC1303
SN74AHC1G66HDCK
3
V+
GND
4
2
1
A
12
11
13
14
IC1305
NJM13403V-TE1
D
5
10
6
9
7
8
B
C
1
3
5
6
4
4
3
2
1
A
B
C
D
E
F
A
B
C
D
E
F
8
7
6
5
4
3
2
1
8
7
6
5
S - 15
S-17 IC Block Diagrams-1/2