参数资料
型号: NCV3066DR2G
厂商: ON Semiconductor
文件页数: 11/20页
文件大小: 0K
描述: IC LED DRIVER HIGH BRIGHT 8-SOIC
标准包装: 2,500
恒定电流:
拓扑: PWM,降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 车载
类型 - 次要: 高亮度 LED(HBLED)
频率: 100kHz ~ 250kHz
电源电压: 3 V ~ 40 V
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
NCP3066, NCV3066
Figure 16. Buck with External Switch Demoboard Layout
Figure 17. Buck with External Switch Demoboard
Photo
90
85
80
75
350 mA 4 LED
(V out = 12.8 V)
700 mA 4 LED
(V out = 12.8 V)
Figure 15, Buck Demoboard With External Switch
Application Schematic illustrates the NCP3066 being used
as a PFET controller. Table 1. Bill Of Materials shows the
small number of additional parts which are necessary to
assemble mentioned demoboard. The demoboard based on
two layer PCB and the layout is mentioned in Figure 16.
70
65
60
55
700 mA 2 LED
(V out = 6.4 V)
350 mA 2 LED
(V out = 6.4 V)
Buck Demoboard Layout. The Line regulation is mentioned
in Figure 20, Line Regulation. The Figure 21, Dimming
characteristic shows behavior of circuitry in case the square
wave signal with 5 V amplitude and 300 Hz frequency was
delivered into ON/OFF pin of device.
50
10
15
20
25
30
35
INPUT VOLTAGE (V)
Figure 18. Efficiency of Buck LED Driver
95
90
85
80
75
70
65
60
3 A 4 LED
(V out = 12.8 V)
3 A 2 LED
(V out = 6.4 V)
55
10
15
20
25
30
35
INPUT VOLTAGE (V)
Figure 19. Efficiency of Buck LED Driver at I out = 3 A
http://onsemi.com
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