参数资料
型号: EL7513IYZ-T7
厂商: Intersil
文件页数: 8/12页
文件大小: 0K
描述: IC LED DRIVR WHITE BCKLGT 8-MSOP
标准包装: 1,500
恒定电流:
拓扑: PWM,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 800kHz ~ 1.2MHz
电源电压: 2.6 V ~ 13.2 V
输出电压: 18V
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
EL7513
Typical Performance Curves (Continued)
All performance curves and waveforms are taken with C 1 = 4.7μF, C 2 = 1μF, C 3 = 0.1μF, L = 33μF, V IN = 3.3V, V CNTL = 1V, R 1 = 5 Ω , 4 LEDs in a
series; unless otherwise specified.
V IN
4.7μF
L
15μH
BAT54HT1
1μF
95
3 LEGS OF 4 LEDs IN A SERIES
8
VIN
LX
VOUT
4
3
90
85
V IN =4.2V
V IN =2.7V
CS
7
80
V CTRL
2
CNTL PGND
5
5 Ω
5 Ω
5 Ω
75
1
COMP SGND
6
70
L=SUMIDA CMD13D13-15μH
0.1μF
15
35
55
75
95
I O (mA)
FIGURE 13A. 3 LEGS of 4 LEDs in a SERIES
FIGURE 13.
FIGURE 13B. EFFICIENCY vs I O
Waveforms
All performance curves and waveforms are taken with C 1 = 4.7μF, C 2 = 1μF, C 3 = 0.1μF, L = 33μF, V IN = 3.3V, V CNTL = 1V, R 1 = 5 Ω , 4 LEDs in a
series; unless otherwise specified.
C 3 = 4700pF
I IN
50mA/DIV
V IN
2V/DIV
I IN
V CNTL
50mA/DIV
1V/DIV
V CNTL
I LED
1V/DIV
10mA/DIV
I LED
10ms/DIV
FIGURE 14. START-UP
10mA/DIV
I LED = 15mA
0.1ms/DIV
FIGURE 15. SHUT-DOWN
V CNTL
V O
I LED
20ms/DIV
FIGURE 16. TRANSIENT RESPONSE
8
2V
1V
14.2V
12.9V
30mA
15mA
Δ V IN
I L
V LX
Δ V O
10mV/DIV
100mA/DIV
10V/DIV
50mV/DIV
1μs/DIV
FIGURE 17. CONTINUOUS CONDUCTION MODE
FN7112.5
December 22, 2008
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