FA13842 Datasheet, PDF (15/15 Pages) Fuji Electric – CMOS IC(For Switching Power Supply Control)

FA13842, 13843, 13844, 13845
s Application circuit
RT
8.2kΩ
CT
2200pF
DB
~+
AC80~264V
~
T1
C1 ⁺
400V/220µF
C16
0.022µF
D9
ERA22-10
R27
100kΩ
VCC
7
30V
COMP
1
RT/CT
4
C11
1000pF FB ₂
PC2
R19
1kΩ
ISNS
3
R1
560kΩ
FA13842
UVLO
UVLO
VCC 5VREF
ENB 2.5V
R30
33Ω
R31
100Ω
OUTPUT
ENB
VREF
8
OUT
6
OSC
2R
1R 1V
SQ
FF
R QB
GND
5
MOSFET
2SK2101
C15
470pF
D10
R28
ERA22-10 ^1kΩ
R29
4.7kΩ
Rs
0.33Ω
D11
ERA91-02
C2
22µF ₊
D1
ERA91-02
YG902C
D6
4700µF
2
L1
3.3µH
C7 ^{+ + C17} C18 ⁺
1000µF
R20
1.2kΩ
R32 R21
PC2
2.2kΩ 10kΩ
R22 560Ω
C12
IC
0.1µF
VR1
5k
16V
0~4A
GND
C10
100pF
R18
1kΩ
C14
0.1µF
Parts tolerances characteristics are not defined in the circuit design
sample shown above. When designing an actual circuit for a
product, you must determine parts tolerances and characteristics for
safe and economical operation.
15