WHITE LED/OLED STEP-UP CONVERTER
FSP3304
ABSOLUTE MAXIMUM RATINGS
(NOTE )
Parameter
SW voltage
IN, SHDN voltage
FB voltage
Maximum power dissipation (derate 5mW/
℃
above T
A
=50
℃
)
Operating temperature range
Operating junction temperature
Junction to ambient thermal resistor
Lead temperature (Soldering, 10sec)
Note : Exceeding these ratings may damage the device.
Rating
-0.3to +30
-0.3 to +6
-0.3 to V
IN
+ 0.3
0.4
-40 to +85
-40 to +150
190
300
Unit
V
V
W
℃
℃
℃
/W
℃
ELECTRICAL CHARACTERISTICS
(V
IN
= V
SHUT
, T
A
= 25°C, unless otherwise noted.)
Parameters
Symbol
Input Voltage Range
Supply Current
Supply Current in shutdown
Switching Frequency
Maximum Duty Cycle
SHDN
SHDN logic high threshold
SHDN logic low threshold
SHDN input current
Feedback
FB Voltage
FB Input Current
Output Switch
SW On voltage
SW Current Limit
Switch leakage current
I
L M
V
FB
V
I N
= 3V
1.18
1.24
50
350
320
10
1.30
V
nA
mV
Condition
SHDN=IN
SHDN=G
Min
2.5
Typ
0.7
0
1
85
Max
5..5
1.5
1
1.2
Units
V
mA
µA
MHz
%
V
V
uA
f
SW
D
MAX
0.8
80
1.6
0
0.4
1
I
S W
=200mA
Duty Cycle =70%
V
SW
=20V, SHDN=G
mA
µA
FUNCTIONAL BLOCK DIAGRAM
2/9
2007-4-24
FOSLINK [ FOSLINK SEMICONDUCTOR CO.,LTD ]
