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參數資料
| 型號： | FAN5609 |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | LED驅動器 |
| 英文描述： | LED Driver with Adaptive Charge Pump DC/DC Converter |
| 中文描述： | LED驅動器自適應電荷泵DC / DC轉換器 |
| 文件頁數： | 6/11頁 |
| 文件大?。?/td> | 112K |
| 代理商： | FAN5609 |
FAN5609
PRODUCT SPECIFICATION
6
REV. 1.0.2 5/30/03
Digital Control with PWM
A is PWM and B is Low.
I
LED
(Average) =
δ
x 7mA, where
δ
is Duty Cycle. (Note 2)
A is High and B is PWM.
I
LED
(Average) = 6mA +
δ
x 12mA, where
δ
is Duty Cycle. (Note 3, 4)
Notes:
2. Proportionally select the duty cycle to achieve a typical LED current between 1mA to 6mA.
3. If either input A or B is continuously high, the other input can be modulated at a maximum rate of 30kHz. Otherwise the
maximum rate of modulation should be limited to 1kHz.
4. Proportionally select the duty cycle to achieve a typical LED current between 8mA to 19mA.
1KHz
s
Du 30%
A Input (PWM)
B Input (0)
s
I
LED
(Average)
= 0.7 x 7mA = 4.9mA
I
LED
(Average)
= 0.3 x 7mA = 2.1mA
OFF
ILED
0mA
1KHz
Du 70%
B Input (PWM)
s
A Input
I
LED
(Average)
= 7mA +
0.7 x 14mA = 16.8mA
I
LED
(Average)
= 7mA + 0.3 x 14mA = 11.2mA
OFF
ILED
0mA
1KHz
Du 30%
1KHz
Du 70%
相關PDF資料 |
PDF描述 |
|---|---|
| FAN5609MPX | TERMINAL |
| FAN5609MTCX | CLIPS |
| FAN5610MPX | LED Driver for White, Blue or any Color LED |
| FAN5610 | LED Driver for White, Blue or any Color LED |
| FAN5611 | Low-Dropout LED Drivers for White, Blue or any Color LED |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN5609_AFC3086B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5609_AGC3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5609MPX | 功能描述:LED照明驅動器 LED Driver DC/DC Converter RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| FAN5609MPX_Q | 功能描述:LED照明驅動器 LED Driver DC/DC Converter RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| FAN5609MTCX | 功能描述:LED照明驅動器 LED Driver DC/DC Converter RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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