FA551x ETC, FA551x Datasheet - Page 3

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

Reference voltage section (REF pin)
Item
Reference voltage
Line regulation
Load regulation
Temperature stability
Oscillator section (RT pin)
Item
Oscillation frequency
Voltage stability
Temperature stability
Pulse width modulation circuit section (FB pin)
Item
FB pin source current
Input threshold voltage (FB pin)
Maximum duty cycle
Overcurrent limiting circuit section (IS pin)
Item
Input threshold voltage (IS pin)
Source current (IS pin)
Delay time
Soft start circuit section (CS pin)
Item
Charge current (CS pin)
Input threshold voltage (CS pin)
Output ON/OFF control circuit section (CS pin)
Item
Source current (CS pin)
ON/OFF control threshold voltage (CS pin)
Hysteresis voltage
Electrical characteristics (V
CC
=18V, R
T
=47k , Ta=25˚C)
Symbol
V
V
V
V
Symbol
f
f
f
Symbol
I
V
V
D
Symbol
V
I
t
Symbol
I
V
V
Symbol
I
V
V
V
OSC
dv
dT
IS
pdIS
S0CS
FB
CHG
REF
dv1
dv2
dT
THIS
THON
THOFF
THOHS
TH FB0
TH FBM
MAX
TH CS0
TH CSM
Test condition
V
Duty cycle =0%
Duty cycle =
Test condition
V
Test condition
V
Duty cycle =0%
Duty cycle =
IS
CS
FB
Test condition
Tj=25˚C
V
I
Ta=–30 to 85˚C
Test condition
R
V
Ta=–30 to 85˚C
Test condition
V
OFF ON, Tj=25˚C
ON OFF, Tj=25C
L
=0V
CC
CC
CS
=0 to 10mA, V
T
=0
=1V, Tj=25˚C –7.2
=47k , Tj=25˚C
=0V, Tj=25˚C
=10 to 28V
=10 to 28V
D
D
MAX
MAX
CC
FA5510/14
Min.
–855 –720 –585 –855 –720 –585 µA
0.9
42
FA5510/11
Min.
220
FA5310/14
Min.
0.90
=18V
Typ.
1
1.92
46
Typ.
240
150
Typ.
–5.2
1.0
1.92
Min.
4.75
–40
Min.
92.6
Max. Min.
50
Max. Min.
260
±5
Max. Min.
–3.2
Min.
–7.2
0.50
FA5511/15
0.9
66
FA5514/15
–190 –170 –150 mV
–28
FA5311/15
–7.2
0.90
Typ.
5.00
±6
–12
±0.5
Typ.
100
±1.0
±0.02
Typ.
–5.2
0.8
0.68
0.12
Typ.
1
2.40
70
Typ.
–20
150
Typ.
–5.2
1.0
2.40
Max.
5.25
±20
Max.
107.4
Max.
–3.2
0.93
Max.
74
Max.
–12
Max.
–3.2
FA551X
Unit
V
mV
mV
mV/˚C
Unit
kHz
%
%/˚C
Unit
V
V
%
Unit
µA
ns
Unit
µA
V
V
Unit
µA
V
V
V
3