UC3846G-D08-T UTC [Unisonic Technologies], UC3846G-D08-T Datasheet - Page 8

• Manufacturer Part Number: UC3846G-D08-T
• Description: LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS
• Manufacturer: UTC [Unisonic Technologies]

UC3846
L
N
REFRENCE CIRCUIT
CX1 (Optional)
CY1 (Optional)
C6
C7 (Optional)
D5 (Optional)
F1
CX1
Reference
BD1
C10
UNISONIC TECHNOLOGIES CO., LTD
C2
C1
C3
C4
C6
C8
C9
D1
D2
D4
F1
L1
www.unisonic.com.tw
2
R9
8
7
6
5
1
3
GND
FB
NC
RI
U1
BD1
SENSE
4
GATE
VDD
NC
1
C1
EC 10μF/400V 105℃
CC 102P/100V 1206
L1
1
2
3
4
YC 472P/400V (Y1)
YC 102P/400V (Y1)
EC 470u/10V 105℃
EC 220u/10V 105℃
CC 1000P/500V
CC 103P/500V
CC 472P 0805
CC 222P 0805
ZD 6.8V 0.5W
R7
20mH 6*8mm
Diode FR102
Diode SB360
Diode FRI07
BD 1A/500V
EC 10u/50V
Component
2
R1Ω/0.5W
+
+
C4
C2
R8
R1
R2
1
22
3
1
Q1
R6
C3
R5
D1
D2
2
R3
R4
R10 (Optional)
9
8
5
7
10
4
3
Reference
T1
U2
R1,R2
R4,R3
R11
R12
R13
R14
Q1
R5
R6
R7
R8
R9
U1
U2
U3
L2
T1
LINEAR INTEGRATED CIRCUIT
CY1
2
1, 2
3, 4
1
R10 C7
2
R11
D4
C8
1
+
3
2
2
R 750KΩ 1206
R 100KΩ 0805
1
R 4.7KΩ 0805
R 33KΩ 1/8W
R 47KΩ 1206
R 100Ω 1/8W
R 33KΩ 0805
R 100Ω 0805
1
U3
R 4.7Ω 1206
R 47Ω 1206
R 10Ω 1206
R 10Ω 1206
Component
10μH 6mm
IC UC3846
R14
D5
1
PC817
L2
EE-16
TL431
1N60
2
+
QW-R103-053.B
C9
C10
8 of 10
R13
R12
GND
V
O