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参数资料
| 型号： | CAT4004VP2-GT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 7/10页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR 4CH EZ DIM I/F 8TDFN |
| 标准包装： | 3,000 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO） |
| 输出数： | 4 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 背光 |
| 电源电压： | 2.4 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN（2x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
CAT4004
Table 5. PIN DESCRIPTIONS
Pin #
1
2
3
4
5
6
7
8
TAB
Name
EN/DIM
GND
LED1
LED2
LED3
LED4
RSET
VIN
TAB
Device enable (active high) and dimming control
Ground reference
LED1 cathode terminal
LED2 cathode terminal
LED3 cathode terminal
LED4 cathode terminal
RSET external LED mirror gain 128
Device supply input, connect to battery or supply
Connect to GND on the PCB
Function
Pin Function
VIN is the supply pin for the device logic. A small 1 m F
ceramic bypass capacitor is required between the VIN pin
and ground near the device. The operating input voltage
range is from 2.5 V to 5.5 V. Whenever the input supply falls
below the under ? voltage threshold (1.8 V), all the LED
channels are disabled and the device enters shutdown mode.
EN/DIM is the enable and one wire dimming input for all
LED channels. Levels of logic high and logic low are set at
1.3 V and 0.4 V respectively. When EN/DIM is initially
taken high, the device becomes enabled and all LED
currents are set to the full scale according to the resistor
R SET . To place the device into “zero current” shutdown
mode, the EN/DIM pin must be held low for at least 1.5 ms.
impedance zero current state whenver the device is placed
in shutdown mode.
RSET is connected to the resistor (R SET ) to set the full scale
current for the LEDs. The voltage at this pin is regulated to
0.6 V. The ground side of the external resistor should be star
connected back to the GND of the PCB. In shutdown mode,
RSET beomes high impedance.
GND is the ground reference for the device. The pin must be
connected to the ground plane on the PCB.
TAB is the exposed pad underneath the package. For best
thermal performance, the tab should be soldered to the PCB
and connected to the ground plane.
LED1 to LED4 provide the internal regulated current for
each of the LED cathodes. There pins enter a high
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT4004VP2-T3 | 功能描述:LED照明驱动器 4-Ch Constant Curr RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| CAT4008 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:8-Channel Constant Current LED Driver |
| CAT4008V-T1 | 功能描述:LED照明驱动器 LED Driver 8 Chan 4-wire I/F RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| CAT4008W-T2 | 功能描述:LED照明驱动器 8-Ch Linear 4-Wire RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| CAT4008Y | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
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