SP1938
DC-DC Step-Up Converter for White LED
BLOCK DIAGRAM
ABSOULTE MAXIMUM RATINGS
(TA=25℃ Unless otherwise specified)
Parameter
DC Supply Voltage
SW Voltage
Symbol
VIN
VSW
Value
18
Unit
V
36
7
V
FB Voltage
VFB
V
V
SHDN Voltage
VSHDN
7
TOPR
-40~85
125
Operating Temperature
Maximum Junction Temperature
℃
℃
TJ(Max)
TS
-65~150
Storage Temperature
℃
The IC has a protection circuit against static electricity. Do not apply high static electricity or high voltage that
exceeds the performance of the protection circuit to the IC.
2009/03/30 Ver.1
Page 3