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参数资料
| 型号： | ZXLD1360ET5TA |
| 厂商： | Diodes Inc |
| 文件页数： | 14/25页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR WHITE BCKLGT TSOT-5 |
| 特色产品： | LED Driver Solutions |
| 标准包装： | 1 |
| 拓扑： | PWM，降压（降压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载 |
| 类型 - 次要： | 高亮度 LED（HBLED） |
| 频率： | 1MHz |
| 电源电压： | 7 V ~ 30 V |
| 输出电压： | 30V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 125°C |
| 产品目录页面： | 1478 (CN2011-ZH PDF) |
| 其它名称： | ZXLD1360ET5DKR |
A Product Line of
Diodes Incorporated
ZXLD1360
Application Information (cont.)
Directly driving ADJ input
A Pulse Width Modulated (PWM) signal with duty cycle D PWM can be applied to the ADJ pin, as shown below, to adjust the
output current to a value above or below the nominal average value set by resistor R S :
?
V ADJ
PWM
0V
ADJ
ZXLD1360
GND
GND
Driving the ADJ input via open collector transistor
The recommended method of driving the ADJ pin and controlling the amplitude of the PWM waveform is to use a small NPN
switching transistor as shown below:
PWM
ADJ
ZXLD1360
GND
GND
This scheme uses the 200k resistor between the ADJ pin and the internal voltage reference as a pull-up resistor for the
external transistor.
Driving the ADJ input from a microcontroller
Another possibility is to drive the device from the open drain output of a microcontroller. The diagram below shows one
method of doing this:
MCU
10k
ADJ
ZXLD1360
GND
If the NMOS transistor within the microcontroller has high Drain / Source capacitance, this arrangement can inject a negative
spike into ADJ input of the 1360 and cause erratic operation but the addition of a Schottky clamp diode (cathode to ADJ) to
ground and inclusion of a series resistor (10k) will prevent this. See the section on PWM dimming for more details of the
various modes of control using high frequency and low frequency PWM signals.
ZXLD1360
Document number: DS33471 Rev. 4 - 2
14 of 25
www.diodes.com
March 2011
? Diodes Incorporated
相关PDF资料 |
PDF描述 |
|---|---|
| ZXLD1362ET5TA | IC LED DRIVR WHITE BCKLGT TSOT-5 |
| ZXLD1366DACTC | IC LED DRIVER WHITE BCKLGT 6-DFN |
| ZXLD1370EST16TC | IC LED DRVR HIGH BRIGHT TSSOP-16 |
| ZXLD1371QESTTC | IC LED DRIVER |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ZXLD1360ET5TA-CUT TAPE | 制造商:DIODES 功能描述:ZXLD1360 Series 1 A 1 MHz SMT LED Driver with Internal Switch - TSOT-23-5 |
| ZXLD1362 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:60V 1A LED DRIVER WITH AEC-Q100 |
| ZXLD1362_12 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:60V 1A LED DREIVER WITH AEC-Q100 |
| ZXLD1362ET5TA | 功能描述:LED照明驱动器 1A/60V LED DRIVER 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 |
| ZXLD1362ET5TA-CUT TAPE | 制造商:DIODES 功能描述:ZXLD1362 Series 1 A 1 MHz SMT LED Driver with Internal Switch - TSOT-23-5 |
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