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LT1937ES5#PBF 参数 Datasheet PDF下载

LT1937ES5#PBF图片预览
型号: LT1937ES5#PBF
PDF下载: 下载PDF文件 查看货源
内容描述: [LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C]
分类和应用: 开关光电二极管
文件页数/大小: 12 页 / 355 K
品牌: Linear [ Linear ]
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LT1937  
U
TYPICAL APPLICATIO S  
Li-Ion to Five White LEDs  
Five LED Efficiency  
85  
80  
75  
70  
L
D
22µH  
V
IN  
3V TO 5V  
C
C
OUT  
0.22µF  
IN  
1µF  
V
DC  
DIMMING  
V
= 3V  
IN  
V
SW  
FB  
IN  
90k  
LT1937  
V
IN  
= 3.6V  
5k  
SHDN  
GND  
R1  
4Ω  
65  
C
C
: TAIYO YUDEN JMK107BJ105  
OUT  
IN  
1937 TA03a  
0
2
4
6
8
10  
12  
: TAIYO YUDEN GMK212BJ224  
LOAD CURRENT (mA)  
D: CENTRAL CMDSH-3  
L: MURATA LQH3C220  
1937 TA03b  
Seven LED Efficiency  
5V to Seven White LEDs  
85  
80  
75  
70  
L
D
22µH  
V
IN  
5V  
C
C
IN  
OUT  
1µF  
0.22µF  
V
DC  
DIMMING  
V
IN  
SW  
FB  
90k  
LT1937  
5k  
SHDN  
GND  
R1  
4Ω  
65  
C
C
: TAIYO YUDEN JMK107BJ105  
OUT  
IN  
1937 TA04a  
0
5
10  
15  
: TAIYO YUDEN GMK212BJ224  
LOAD CURRENT (mA)  
D: CENTRAL CMDSH-3  
L: MURATA LQH3C220  
1937 TA04b  
1937f  
10