参数资料
型号: NCV7680PWR2G
厂商: ON Semiconductor
文件页数: 16/20页
文件大小: 0K
描述: IC LED REAR COMBO LAMP 16SOIC
标准包装: 1
恒定电流:
拓扑: 线性(LDO),PWM
输出数: 8
内部驱动器:
类型 - 主要: 车载,背光
电源电压: 6 V ~ 16 V
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)裸露焊盘
供应商设备封装: 16-SOIC W
包装: 标准包装
其它名称: NCV7680PWR2GOSDKR
NCV7680
V STRING
Cross-Coupled LEDs
The setup in Figure 24 shows the LEDs set up in a
cross-coupled configuration connected to all the outputs of
the NCV7680 in parallel. This allows the user to maintain
illumination of all the remaining LEDs when one fails due
to an open circuit (the most common form of LED failure).
Comparatively, the standard setup shown in Figure 4 will
result in a full string turning off when one LED is open. Be
aware as LEDs fail as open circuits in the cross-coupled
arrangement will cause the row of LEDs to run at a higher
current level affected by the smaller number of LEDs in that
row.
NCV7680
OUT1
VP
Ballast Drive
FB
STOP
DIAG
RSTOP
RTAIL
OUT2
OUT3
OUT4
GND
OUT5
OUT6
OUT7
OUT8
epad
Figure 24. Cross Coupled LEDs
http://onsemi.com
16
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