FA5540 Fuji Electric holdings CO.,Ltd, FA5540 Datasheet - Page 8

• Manufacturer Part Number: FA5540
• Description: Fuji Switching Power Supply Control Ic
• Manufacturer: Fuji Electric holdings CO.,Ltd

(3) Electrical characteristics ( in case nothing specified: Vcc=13V(FA5540) / 15V(FA5541/42), Tj=25℃)
Rev.0 July-2007
Current sensing part (IS pin)
Feedback part (FB pin)
Zero current detection part (ZCD pin)
Over voltage protection part (VCC pin, ZCD pin)
Input bias current
Maximum input
threshold voltage
Voltage gain
Minimum ON width
Blanking time
Output delay time
Pulse shutdown
FB pin voltage
FB pin input resistance
FB pin current
Input threshold voltage
Hysteresis width
Input clamp voltage
ZCD delay time
Maximum blanking
frequency
Timeout duration from the
latest ZCD trigger
ZCD pin internal resistance
VCC pin over voltage
Threshold level
ZCD pin over voltage
Threshold level
Timer latch delay time
Item
Item
Item
Item
Symbol
Symbol
Symbol
Tonmin
T
V
V
V
V
AV
T
T
BLANK
R
THFB0
I
Symbol
V
V
OVP1
OVP2
I
FB1
V
thIS1
pdIS
LAT
IS
Rzcd
FB
T
THZCD1
THZCD2
T
F
HYZCD
IS
V
V
OUT
ZCD
max
IH
IL
V
V
⊿V
FB=3V, IS=1V
Duty
cycle=0%
V
V
FA5540/5541/5542
IS
FB
FB
FB
V
V
I
(High state)
I
V
=0V
ZCD
ZCD
=2.5V
=1V to 2V
=1V
FB
ZCD
ZCD
FB
/⊿V
=2.5V
=+3mA
=-2mA
Condition
Condition
Condition
decreasing
increasing
Condition
IS
FA5540
FA5541/42
FA5540
FA5541/42
FA5540
FA5541/42
FA5540
FA5541/42
FA5540
FA5541/42
FA5540
FA5541/42
8
14.5
MIN
MIN
-2.0
-60
12.8
0.9
MIN
6.4
340
240
26
MIN
45
95
48
96
Fuji Electric Device Technology
-190
TYP
TYP
16.0
TYP
16.0
-0.2
380
205
175
440
340
-50
1.0
2.0
7.2
-0.83
28
40
54
TYP
152
155
120
9.2
6.0
5.6
62
90
60
30
MAX
MAX
MAX
19.2
17.5
MAX
540
440
-40
2.0
1.1
100
240
144
8.0
30
72
Unit
Unit
Unit
kHz
Unit
V/V
mV
mV
mV
mV
µA
kΩ
µA
kΩ
ns
ns
ns
ns
µs
µs
V
V
V
V
V