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參數(shù)資料
| 型號(hào)： | SP1937S35RG |
| 英文描述： | DC-DC Step-Up Converter for White LED |
| 中文描述： | DC - DC升壓轉(zhuǎn)換器，用于白光LED， |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大?。?/td> | 341K |
| 代理商： | SP1937S35RG |
ELECTRICAL CHARACTERISTICS
(T
A
=25
, V
℃
Parameter
Operating Voltage
Feedback Voltage
FB Pin Bias Current
Supply Current
2007/07/10
Ver.3
Page 4
SP1937
DC-DC Step-Up Converter for White LED
IN
=3V, V
SHDN
=3V, Unless otherwise specified)
Conditions
Min.
2.5
86
0.8
1.5
Typ.
2.8
0.1
1.2
85
320
0.01
150
90
Max.
20.0
110
150
3.5
1.0
1.6
5
0.4
Unit
V
mV
nA
mA
μ
A
MHz
%
mA
μ
A
mV
V
V
uA
I
SW
=100mA, Duty Cycle = 66%
V
SHDN
= 0V
V
SW
= 5V
I
SW
= 200mA
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch Leakage Current
Switch Vcesat
SHDN Voltage High
SHDN Voltage Low
SHDN Pin Bias Current
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