FAN7554DTF Fairchild Semiconductor, FAN7554DTF Datasheet - Page 17

• Manufacturer Part Number: FAN7554DTF
• Description: IC CTRLR PWM CURRENT MODE 8SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of FAN7554DTF

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Duty Cycle: 98%
• Voltage - Supply: 9 V ~ 30 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -25°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 500kHz
• Output Current: 1 A
• Switching Frequency: 500 KHz
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FAN7554DTFTR; FAN7554DTF_NL; FAN7554DTF_NLTR; FAN7554DTF_NLTR

FAN7554 forward converter demo circuit ( fsw:100kHz)
Input: 85 ~ 265V
Input: 85 ~ 265V
L101
L101
RT101
RT101
C301 C302
C301 C302
FUSE
FUSE
50/60Hz
50/60Hz
C101
C101
AC
AC
R101
R101
R102
R102
BD
BD
D101
D101
R105
R105
R106
R106
IC301
IC301
C106
C106
C103
C103
C102
C102
R113
R113
C110
C110
C111
C111
C105
C105
Vref Vcc OUT GND
Vref Vcc OUT GND
F/B S/S
F/B S/S
1
1
IC2
IC2
8
8
FAN7554
FAN7554
C104
C104
7
7
2
2
C107 C108
C107 C108
IS Rt/Ct
IS Rt/Ct
6
6
3
3
R107
R107
D104
D104
R108
R108
5
5
4
4
C109
C109
D103
D103
D102
D102
R112
R112
R103
R103
R109
R109
R111
R111
Q101
Q101
R110
R110
R104
R104
T101
T101
D202
D202
D201
D201
L201
L201
IC301
IC301
R203
R203
C203
C203
C201
C201
L202
L202
C202
C202
R204
R204
IC201
IC201
C204
C204
R201
R201
R202
R202
FAN7554
C205
C205
+12V/2A
+12V/2A
+5V/3A
+5V/3A
17