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参数资料
| 型号： | MAX16807EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/19页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX16807 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 电流 - 输出 / 通道： | 50mA |
| 输出及类型： | 8，非隔离 |
| 输出电压： | 32V |
| 特点： | 可调光 |
| 输入电压： | 9 ~ 16 V |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX16807 |
Integrated 8-Channel LED Driver with
Switch-Mode Boost and SEPIC Controller
LE
t LW
t CL
t CH
t CP
t LS
CLK
t DH
t DS
DIN
D7
t DO
D0
DOUT
OE
OUT_
t OEF
t f
t OEW
80%
20%
t OER
t r
D7
Figure 3. 4-Wire Serial-Interface Timing Diagram
Stand-Alone Operation
In stand-alone operation, the MAX16807 does not use
the 4-wire interface (see the Typical Operating
LE
OUT_
LE
OUT_
CLK
OUT_
t LRF
t LRR
t CRF
Circuits). Connecting DIN and LE to V+ provides at
least 8 external clock pulses to CLK to enable 8 out-
puts. This startup pulse sequence can be provided
either using an external clock or the PWM signal. The
external clock can also be generated using the signal
at RTCT and an external comparator.
LED Dimming
PWM Dimming
All the output channels can be dimmed simultaneously
by applying a PWM signal (50Hz to 30kHz) to OE . This
allows for a wide range of dimming up to a 5000:1 ratio.
Each channel can be independently turned on and off
using a 4-wire serial interface. The dimming is propor-
tional to the PWM duty cycle.
CLK
OUT_
t CRR
LED Current Amplitude Adjustment
Using an analog or digital potentiometer as R SET allows
for LED current amplitude adjustment and linear dimming.
Figure 4. LE and CLK to OUT_ Timing
16
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16807EVKIT+ | 功能描述:LED 照明开发工具 MAX16807 Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX16808AUI+ | 制造商:Maxim Integrated Products 功能描述:LED DRVR 3V TO 5.5V 28TSSOP EP - Rail/Tube |
| MAX16808AUI+T | 制造商:Maxim Integrated Products 功能描述:LED DRVR 3V TO 5.5V 28TSSOP EP - Tape and Reel |
| MAX16809ATU+ | 功能描述:LED照明驱动器 8Ch w/Switch-Mode Boost & SEPIC Ctlr 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 |
| MAX16809ATU+T | 功能描述:LED照明驱动器 8Ch w/Switch-Mode Boost & SEPIC Ctlr 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 |
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