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AAT1239ITP-1-T1 PDF预览

AAT1239ITP-1-T1

更新时间: 2024-01-10 22:36:08
品牌 Logo 应用领域
ANALOGICTECH 转换器
页数 文件大小 规格书
21页 904K
描述
40V Step-Up Converter for 4 to 10 White LEDs

AAT1239ITP-1-T1 技术参数

生命周期:Transferred包装说明:,
Reach Compliance Code:unknown风险等级:5.82

AAT1239ITP-1-T1 数据手册

 浏览型号AAT1239ITP-1-T1的Datasheet PDF文件第15页浏览型号AAT1239ITP-1-T1的Datasheet PDF文件第16页浏览型号AAT1239ITP-1-T1的Datasheet PDF文件第17页浏览型号AAT1239ITP-1-T1的Datasheet PDF文件第18页浏览型号AAT1239ITP-1-T1的Datasheet PDF文件第19页浏览型号AAT1239ITP-1-T1的Datasheet PDF文件第21页 
PRODUCT DATASHEET  
AAT1239-1  
SwitchRegTM  
40V Step-Up Converter for 4 to 10 White LEDs  
Additional Applications  
Efficiency vs. LED Current  
(4 White LEDs; RBALLAST = 30.1Ω)  
L1  
2.2μH  
DS1  
Schottky  
Up to 17V/  
30mA max  
84  
D1  
83  
82  
81  
80  
79  
78  
77  
76  
75  
74  
R2  
VIN = 5V  
LED  
158k  
PVIN  
VIN  
LIN  
SW  
D2  
LED  
D3  
LED  
Li-Ion  
VIN = 2.7V  
to 5.5V  
C2  
2.2μF  
C1  
2.2μF  
R3  
12k  
AAT1239-1  
D4  
LED  
OVP  
VIN = 3.6V  
PGND  
EN/SET  
SEL  
VIN = 4.2V  
FB  
R1  
30.1Ω  
20mA  
AGND  
2
4
6
8
10  
12  
14  
16  
18  
18  
18  
20  
20  
20  
ILED (mA)  
Figure 12: Four LEDs In Series Configuration.  
Efficiency vs. LED Current  
(8 White LEDs; RBALLAST = 30.1Ω)  
L1  
DS1  
Up to 30V/  
30mA max  
2.2μH  
Schottky  
80  
78  
76  
74  
72  
70  
68  
66  
D1  
VIN = 5V  
R2  
LED  
287k  
PVIN  
VIN  
LIN  
SW  
D2  
LED  
D3  
LED  
Li-Ion  
VIN = 2.7V  
to 5.5V  
C2  
2.2μF  
C1  
2.2μF  
R3  
12k  
AAT1239-1  
D4  
LED  
OVP  
D5  
LED  
PGND  
EN/SET  
SEL  
VIN = 3.6V  
VIN = 4.2V  
FB  
D8  
D7  
D6  
LED  
LED LED  
R1  
30.1Ω  
20mA  
AGND  
2
4
6
8
10  
12  
14  
16  
ILED (mA)  
Figure 13: Eight LEDs In Series Configuration.  
Efficiency vs. LED Current  
(9 White LEDs; RBALLAST = 30.1Ω)  
L1  
2.2μH  
DS1  
Schottky  
Up to 34V/  
30mA max  
78  
76  
74  
72  
70  
68  
66  
VIN = 5V  
D1  
LED  
R2  
324k  
PVIN  
VIN  
LIN  
SW  
D2  
LED  
D3  
LED  
Li-Ion  
VIN = 2.7V  
to 5.5V  
C2  
2.2μF  
C1  
2.2μF  
R3  
12k  
AAT1239-1  
D4  
LED  
OVP  
D5  
LED  
PGND  
EN/SET  
SEL  
VIN = 4.2V  
VIN = 3.6V  
FB  
D8  
LED  
D7  
D6  
D9  
LED  
LED LED  
R1  
30.1Ω  
20mA  
AGND  
2
4
6
8
10  
12  
14  
16  
ILED (mA)  
Figure 14: Nine LEDs In Series Configuration.  
w w w . a n a l o g i c t e c h . c o m  
20  
1239-1.2007.10.1.0  

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