参数资料
型号: CAT3644HV3-GT2
厂商: ON Semiconductor
文件页数: 2/13页
文件大小: 0K
描述: IC LED DVR 4CH QUAD MODE 16TQFN
标准包装: 2,000
系列: QUAD-Mode®
拓扑: 线性(LDO),切换式电容器(充电泵)
输出数: 4
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 800kHz ~ 1.6MHz
电源电压: 2.5 V ~ 5.5 V
输出电压: 7V
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
供应商设备封装: 16-TQFN(3x3)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
CAT3644
1 m F
1 m F
2.4 V
LED2
RSET
GND
V IN
CIN
to
5.5 V 1 m F
1 ? Wire
EZDim
Programming
4.02 k Ω
C1+ C1 ? C2+ C2 ?
V IN V OUT
CAT3644
LED1
EN/DIM
LED3
LED4
V OUT
C OUT
1 m F
20 mA
Figure 1. Typical Application Circuit
Table 1. ABSOLUTE MAXIMUM RATINGS
V IN , LEDx, C1 ± , C2 ± , EN/DIM voltage
V OUT voltage
Storage Temperature Range
Junction Temperature Range
Parameter
Rating
6
7
? 65 to +160
? 40 to +150
Unit
V
V
_ C
_ C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 2. RECOMMENDED OPERATING CONDITIONS
Parameter
V IN
Ambient Temperature Range
I LED per LED pin
LED Forward Voltage Range
NOTE:
Typical application circuit with external components is shown above.
http://onsemi.com
2
Rating
2.5 to 5.5
? 40 to +85
up to 30
1.3 to 4.3
Unit
V
_ C
mA
V
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