A
A
B
B
C
C
D
D
E
E
1 1
2 2
3 3
4 4
l e t LD
l e t DC DC
l e t LD
STANDBY:25mA
Imax: 368mA
STANDBY:40mA
Imax: 570mA
STANDBY:15mA
Imax: 202mA
VDS=-60V
VGS=+/-20
POWER INPUT
Vb
Vfb
Vout 5.15V
SwitchingfrequencySet
REGO1
TR_B1
REGO2
VC12
VCC_FAN
FAN_EN
MCU_3V3
VCC_5V
39V
AMP
FM33V
VCC5V_D
VC12
DVCC3
+12V_D
-24V
V_-24V
AM_39
VCC_5V
VCC5V_D
+12V_D
39_V
39V
12-V
+12V_D
39_V
AM_39
+12V_D
12-V
39_V
VCC_5V
-24V
S
S
VFD_12V_D
3.3V_STBY_MCU
3.3V_STBY_MCU
Power_EN
REGO2
TR_B2TR_B1
REGO1
VC12
POWER_FRQ2
POWER_FRQ1
PCON
Power_EN
FAN-EN
Power_EN
DC FRQ
R278 100KR278 100K
R33
10
R33
10
R16
220/1W
R16
220/1W
U24
78L05
U24
78L05
OUT
1
GND
2
IN
3
GNDGND
R27
10K
R27
10K
XP252
2PIN/2.0mm
XP252
2PIN/2.0mm
1
1
2
2
R38 2.2R38 2.2
ZD4
ZMM12V/12V
ZD4
ZMM12V/12V
R34 5.6/1WR34 5.6/1W
C132
0.1uF/50V/X7R
C132
0.1uF/50V/X7R
+
220uF35V
CE6
+
220uF35V
CE6
Q2
NPN_3DG3904M
Q2
NPN_3DG3904M
ZD6
ZMM27/27V
ZD6
ZMM27/27V
C9 680PF 10% 100VC9 680PF 10% 100V
R280 10KR280 10K
R28
4.7K
R28
4.7K
R52
22K
R52
22K
Q7
NC/AP9579GH-HF
Q7
NC/AP9579GH-HF
S
S
S
D
D
D
D
G
C34
0.1uF/16V/X7R
C34
0.1uF/16V/X7R
Q254
NPN_3DG3904M
Q254
NPN_3DG3904M
C21UF/16V/X7R C21UF/16V/X7R
D12
BAV99
D12
BAV99
1
3
2
L6
22uH/3.3A
L6
22uH/3.3A
+
47uF/16V
CE22
+
47uF/16V
CE22
C19
0.1uF/50V/X7R
C19
0.1uF/50V/X7R
R124
2.2
R124
2.2
C15
0.1uF/16V/X7R
C15
0.1uF/16V/X7R
C185
0.1uF/16V/X7R
C185
0.1uF/16V/X7R
C27
4.7UF/10V/X5R
C27
4.7UF/10V/X5R
C8
0.1uF/16V/X7R
C8
0.1uF/16V/X7R
FB31 NC/70/3AFB31 NC/70/3A
ZD753
ZMM5V6/5.6V
ZD753
ZMM5V6/5.6V
Q3
NPN_3DG3904M
Q3
NPN_3DG3904M
+
100uF/16V
CE7
+
100uF/16V
CE7
D3 MBRX180/80V/1AD3 MBRX180/80V/1A
+
470uF/10V
CE4
+
470uF/10V
CE4
C12
0.1uF/50V/X7R
C12
0.1uF/50V/X7R
C161UF/16V/X7R C161UF/16V/X7R
R41
10K
R41
10K
C278
4.7uF/16V/Y5V
C278
4.7uF/16V/Y5V
U14
TJ4203GSF5-ADJ
U14
TJ4203GSF5-ADJ
VIN
1
ADJ/SENSE
4
EN
3
VOUT
5
2
GND
R29
1.8/2W
R29
1.8/2W
R11
18K/1%
R11
18K/1%
R42
NC/100
R42
NC/100
R22 2.2R22 2.2
C25
2.2UF/10V/X5R
C25
2.2UF/10V/X5R
C182
0.1uF/16V/X7R
C182
0.1uF/16V/X7R
L5
22uH-48uH
L5
22uH-48uH
1 2
3
R7
200K
R7
200K
Q13
N_AP2316
Q13
N_AP2316
G
D S
C20
0.1uF/50V/X7R
C20
0.1uF/50V/X7R
C10
3300pF/50V/X7R
C10
3300pF/50V/X7R
R19
5.6K/1%
R19
5.6K/1%
Q9
NPN_3DG3904M
Q9
NPN_3DG3904M
+
470UF/35V
CE5
+
470UF/35V
CE5
Q27
NPN_MMBT8050C
Q27
NPN_MMBT8050C
C198
0.1uF/16V/X7R
C198
0.1uF/16V/X7R
R36
20K/1%
R36
20K/1%
C35
0.1uF/50V/X7R
C35
0.1uF/50V/X7R
FB251 500/500mAFB251 500/500mA
R18 10KR18 10K
R10
20K/1%
R10
20K/1%
R4
470
R4
470
FB24
300/500mA
FB24
300/500mA
C40
1uF//50V/X7R
C40
1uF//50V/X7R
R37
12K/1%
R37
12K/1%
Q8
TA1015
Q8
TA1015
R104
4.7K
R104
4.7K
+
220uF/16V
CE8
+
220uF/16V
CE8
C36
0.1uF/50V/X7R
C36
0.1uF/50V/X7R
XP5
6PIN/2.5mm
XP5
6PIN/2.5mm
1
1
2
2
3
3
4
4
5
5
6
6
FB22 300/2.2AFB22 300/2.2A
C29
0.1uF/50V/X7R
C29
0.1uF/50V/X7R
R56 10KR56 10K
Q253
PNP_3CA8550C
Q253
PNP_3CA8550C
C944 100pF/50V/NP0C944 100pF/50V/NP0
R53
47K
R53
47K
+
47uF/16V
CE35
+
47uF/16V
CE35
R17
220/1W
R17
220/1W
+
22uF/50V
CE9
+
22uF/50V
CE9
Q12
P_AP2305
Q12
P_AP2305
G
DS
D7
RS1M
D7
RS1M
C24
0.1uF/16V/X7R
C24
0.1uF/16V/X7R
R15 1KR15 1K
R39
5.6K/1%
R39
5.6K/1%
R25 4.7KR25 4.7K
C31
0.1uF/50V/X7R
C31
0.1uF/50V/X7R
C26
1UF/16V/X7R
C26
1UF/16V/X7R
R14 1KR14 1K
C22
0.1uF/16V/X7R
C22
0.1uF/16V/X7R
C21
1uF//50V/X7R
C21
1uF//50V/X7R
C5
1uF/50V
C5
1uF/50V
R21
2.2
R21
2.2
R5 0R5 0
R20
NC/10K
R20
NC/10K
R24
47K
R24
47K
39V39V
R40 750R40 750
Q5
PNP_3CA8550C
Q5
PNP_3CA8550C
L4
NC/22uH/1A
L4
NC/22uH/1A
R26 4.7KR26 4.7K
R44
470
R44
470
R55 4.7KR55 4.7K
C280 4.7uF/16V/Y5VC280 4.7uF/16V/Y5V
R45
560K
R45
560K
C28
0.1uF/16V/X7R
C28
0.1uF/16V/X7R
C23
0.1uF/16V/X7R
C23
0.1uF/16V/X7R
Q11
NPN_3DG3904M
Q11
NPN_3DG3904M
C32
1UF/16V/X7R
C32
1UF/16V/X7R
39_V39_V
Q6
PNP_3CA8550C
Q6
PNP_3CA8550C
R275
1.2K
R275
1.2K
Q255
PNP_3CG3906M
Q255
PNP_3CG3906M
D5SK34/60V/3A D5SK34/60V/3A
R9
33K/1%
R9
33K/1%
ZD1ZMM12V/12V ZD1ZMM12V/12V
C279
1UF/16V/X7R
C279
1UF/16V/X7R
R6 0R6 0
C46
0.1uF/16V/X7R
C46
0.1uF/16V/X7R
C37
0.1uF/16V/X7R
C37
0.1uF/16V/X7R
+
CE2 100UF/50V
+
CE2 100UF/50V
R32
47K
R32
47K
Q4
NPN_3DG3904M
Q4
NPN_3DG3904M
R105 0R105 0
ZD752
BZV55C3V9/3.9V
ZD752
BZV55C3V9/3.9V
R58
2M
R58
2M
R31
10K
R31
10K
C13
1UF/16V/X7R
C13
1UF/16V/X7R
R276 4.7KR276 4.7K
R281
100K
R281
100K
R23
200K
R23
200K
XP8
6PIN/2.0mm
XP8
6PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
R30
100K
R30
100K
R59 10KR59 10K
C30
NC/1000pF/50V/X7R
C30
NC/1000pF/50V/X7R
C3
100pF/50V/NP0
C3
100pF/50V/NP0
R43 100R43 100
C180.1uF/50V/X7R C180.1uF/50V/X7R
TPS54260
U4
TPS54260
U4
BOOT
1
VIN
2
EN
3
SS/TR
4
RT/CLC
5
PWRGD
6
VSNS
7
COMP
8
GND
9
PH
10
PwPG
11
C38
0.1uF/50V/X7R
C38
0.1uF/50V/X7R
ZD3
ZMM27/27V
ZD3
ZMM27/27V
R279
4.7K
R279
4.7K
C4
0.1uF/50V/X7R
C4
0.1uF/50V/X7R
C11
0.1uF/50V/X7R
C11
0.1uF/50V/X7R
L2
10uH/100mA
L2
10uH/100mA
R54
47K
R54
47K
Circuit Diagram - Main board:Power
8-7 8-7
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