FA551x ETC, FA551x Datasheet - Page 2

• Manufacturer Part Number: FA551x
• Description: CMOS IC For Switching Power Supply Control
• Manufacturer: ETC

FA551X
Note: There are cases where the IC cannot output the rating current depending on Vcc voltage or temperature.
Item
Supply voltage
Oscillation frequency
REF-GND capacitor
Soft start capacitor
2
I
Supply Voltage
Output peak current
FB pin input voltage
IS pin input voltage
REF pin source current
CS pin sink current
Total power dissipation (Ta=25˚C)
Ambient temperature
Maximum junction temperature
Storage temperature
tem
Absolute maximum ratings
Recommended operating conditions
Low impedance source (I
Internal zener clamp (I
Symbol
V
f
Cref
C
OSC
CC
S
CC
<15mA)
CC
>15mA)
Min.
10
10
0.1
0.01
Maximum power dissipation curve
400mW (SOP)
800mW (DIP)
Symbol
V
V
I
V
V
I
I
Pd
Ta
Tj
Tstg
Typ.
0.47
OUT
REF
CS
CC1
CC2
FB
IS
0
–30
Ambient temperature Ta [˚C]
Rating
30
Self limiting
±1.5
–0.3 to 5.0
–0.3 to 5.0
–10
+2.0
800 (DIP-8)
400 (SOP-8)
–30 to +85
125
–40 to +150
Max.
28
500
1
25
85
Unit
V
kHz
µF
µF
125
Unit
V
V
A
V
V
mA
mA
mW
˚C
˚C
˚C