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SP1938S26RGB 参数 Datasheet PDF下载

SP1938S26RGB图片预览
型号: SP1938S26RGB
PDF下载: 下载PDF文件 查看货源
内容描述: DC-DC升压转换器,用于白光LED [DC-DC Step-Up Converter for White LED]
分类和应用: 转换器升压转换器
文件页数/大小: 6 页 / 166 K
品牌: SYNC-POWER [ SYNC POWER CROP. ]
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SP1938
DC-DC Step-Up Converter for White LED
ELECTRICAL CHARACTERISTICS
(T
A
=25
, V
IN
=3V, V
SHDN
=3V, Unless otherwise specified)
Parameter
Operating Voltage
Feedback Voltage
FB Pin Bias Current
Supply Current
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch Leakage Current
Switch Saturation Voltage
SHDN Voltage High
SHDN Voltage Low
SHDN Pin Current
Over Voltage Protection
APPLICATION CIRCUIT
Conditions
I
SW
=100mA, Duty Cycle = 66%
V
SHDN
= 0V
0.8
Vsw= 5V
Isw = 200mA
1.5
0.4
V
OUT
rising
90
21
Min.
2.5
86
Typ.
Max.
18
110
150
3.5
1.0
1.6
5
Unit
V
%
nA
mA
μA
MHz
%
mA
μA
mV
V
V
uA
V
2.8
0.1
1.2
85
320
0.01
150
2009/03/30
Ver.1
Page 4