HA16108FP HITACHI [Hitachi Semiconductor], HA16108FP Datasheet - Page 33

• Manufacturer Part Number: HA16108FP
• Description: PWM Switching Regulator for High-performance Voltage Mode Control
• Manufacturer: HITACHI [Hitachi Semiconductor]

Operating Circuit Example
fosc = 100 kHz,
Dumax = 50%
Frequency,
Max, Duty
Setting
Current
Sense
L.P.F.
Flyback Transforrmer Application Example
(IC Vref used as system as reference voltage)
Bridge Diode
FILTER
AC
INPUT
RFI
110
51
27 k
4700 pF
CL( )
27 k
470 pF
CL(+)
R
OUT
T1
Start-up Resistor
R
V
V
82 k
1 W
C
T2
IN
E
HZP 16
T
51
Current Sense
2SK1567
1.5
140 V
3 W
HA16107P/FP
22 F
50 V
El-30
Trans former
40T
23T
+
HA16107P/FP, HA16108P/FP
HRP 32
6T
Schottky barrier diode
HRP 24
HZP 16
TL
E/O
IN( )
NC
GND
1 F
Vref
6.45 V
510 k
ST
IN(+)
+
+
Phase
Comp.
470 F
+
33k
Timerlatch
Capacitor
16 V
OVP
Detector
16 V
1 F
+
18.9 V
1 F
16 V
3.225 V
+
Soft Start
Cap.
330
k
68
k
33k
5 V
OUTPUT
33