参数资料
型号: CAT3616HV4-GT2
厂商: ON Semiconductor
文件页数: 10/14页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT 16-TQFN
标准包装: 2,000
拓扑: 线性(LDO),切换式电容器(充电泵)
输出数: 6
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 800kHz ~ 1.3MHz
电源电压: 3 V ~ 5.5 V
输出电压: 7V
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
供应商设备封装: 16-TQFN(4x4)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
其它名称: 3616HV4-GT2
CAT3616
Block Diagram
Figure 24. CAT3616 Functional Block Diagram
Basic Operation
At power ? up, the CAT3616 starts operating in 1x mode
where the output will be approximately equal to the input
supply voltage (less any internal voltage losses). If the
output voltage is sufficient to regulate all LED currents the
device remains in 1x operating mode.
If the input voltage is insufficient or falls to a level where
In 1.5x mode, the output is approximately equal to 1.5
times the input supply voltage (less any internal voltage
losses).
The above sequence is repeated each and every time the
chip is powered ? up or is taken out of shutdown mode (via
EN pin).
the regulated currents cannot be maintained, the device
automatically switches (after 400 m s) into 1.5x mode.
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