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参数资料
| 型号： | CAT4106HV4-GT2 |
| 厂商： | ON Semiconductor |
| 文件页数： | 12/15页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR 4CH BOOST 16TQFN |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 4 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 汽车，背光，通用型 |
| 频率： | 700kHz ~ 1.3MHz |
| 电源电压： | 3 V ~ 5.5 V |
| 输出电压： | 36V |
| 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： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | CAT4106HV4-GT2DKR |
CAT4106
Application Information
External Component Selection
Capacitors
The CAT4106 requires small ceramic capacitors of 1 m F
on the VIN pin (C1), 4.7 m F on the inductor input (C2), and
10 m F on the output (C3). Under normal condition, a 4.7 m F
input capacitor (C2) is sufficient. The voltage rating of each
capacitor should be compatible with the maximum voltage
applied. For the output, a 50 V rated capacitor (C3) is
recommended in case the LED becomes disconnected
(Open ? LED condition). X5R and X7R capacitor types are
ideal due to their stability across temperature range.
Inductor
A 47 m H inductor is recommended for most applications.
In cases where the efficiency is critical, inductances with
lower series resistance are preferred. Inductors with current
rating of 1 A or higher are recommended for most
applications. Coiltronics DR73 ? 470 inductor rated at 1.08 A
is recommended for most applications.
Schottky Diode
The current rating of the Schottky diode (D) must exceed
the peak current flowing through it. A 1 A rated Schottky
diode is recommended. The Schottky diode performance is
rated in terms of its forward voltage at a given current. In
order to achieve the best efficiency, this forward voltage
Recommended Layout
The board layout should provide good thermal dissipation
through the PCB. Multiple via can be used to connect the tab
of the CAT4106 to a large ground plane underneath the
package.
Input capacitor C1 should be placed as close to the driver
IC as possible. The RSET resistor (R1) and channel voltage
setting resistor (R3) should have a Kelvin connection to the
GND pin of the CAT4106.
Figure 29. Recommended Layout for TQFN ? 16
should be as low as possible. The response time is also
critical since the driver is operating at 1 MHz. NXP
PMEG6010CEJ (60 V / 1 A rated) Schottky barrier rectifier
is recommended for most applications.
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT4106HV4-GT2-CUT TAPE | 制造商:ON 功能描述:CAT4106 Series 175 mA 5.5 V 1.3 MHz SMT 4-Channel DC-DC LED Driver - TQFN-16 |
| CAT4106YP-T2 | 功能描述:LED照明驱动器 LED DRVR BOOST 4CH/10LED 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 |
| CAT4107HV4-GT2 | 制造商:ON Semiconductor 功能描述: |
| CAT4109 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:3-Channel Constant-Current RGB LED Driver with Individual PWM Dimming |
| CAT4109VG | 制造商:Catalyst Semiconductor 功能描述: |
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