Datasheet > ADP1655

ADP1655

更新时间： 2024-02-09 13:02:57

品牌	Logo	应用领域
亚德诺 - ADI		驱动器闪光灯
页数	文件大小	规格书
24页	664K
描述
Dual LED Flash Driver with I2C-Compatible Interface

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中文翻译

获取价格

数据手册

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ADP1655 数据手册

ADP1655

L = FDSE0312-2R2M

= 10µF

OUT

100

= 3.2V

= 3.6V

= 4.2V

500ns/DIV

CHANNEL 3 (LED_OUT) 5V/DIV

) 0.1A/DIV CHANNEL 4 (SW) 5V/DIV

1000

100

CHANNEL 1 (I ) 0.2A/DIV

CHANNEL 2 (I

OUTPUT CURRENT (A)

HPLED

Figure 14. Efficiency P_LED/P_IN, Two High Power White LEDs in Series

Figure 11. Inductor Current, Two LEDs Flash Mode, I_LED= 400 mA, V_IN= 3.6 V

L = FDSE0312-2R2M

= 10µF

OUT

100

= 3.2V

= 3.6V

= 4.2V

500ns/DIV

CHANNEL 3 (LED_OUT) 5V/DIV

) 0.02A/DIV CHANNEL 4 (SW) 5V/DIV

100

CHANNEL 1 (I ) 0.2A/DIV

CHANNEL 2 (I

HPLED

OUTPUT CURRENT (A)

Figure 12. Inductor Current, Two LEDs Torch Mode, I_LED= 40 mA, V_IN= 3.6 V

Figure 15. Efficiency P_LED/P_IN, One High Power White LED

L = FDSE0312-2R2M

= 10µF

Δ: 4µs

OUT

= 3.2V

= 3.6V

= 4.2V

–2

–4

–6

–8

–10

20µs/DIV

500

100

200

300

400

CHANNEL 1 (IBAT) 1A/DIV

CHANNEL 2 (I ) 0.2A/DIV

CHANNEL 3 (V

) 5V/DIV

OUT

OUTPUT CURRENT (mA)

CHANNEL 4 (TX_MASK) 5V/DIV

HPLED

Figure 13. LED Current Accuracy vs. Output Current

Figure 16. Tx Masking Response, TX_MASK = 0 V to 1.8 V,

I_LED= 40 mA to 400 mA, V_IN= 3.2 V

Rev. 0 | Page 9 of 24

1...6 7 8910 11 12...24

中文翻译

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