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ADP1653ACPZ-R21 데이터시트(PDF) 10 Page - Analog Devices

부품명 ADP1653ACPZ-R21
상세설명  Compact, High Efficiency, High Power Flash/Torch LED Driver with Dual Interface
PDF  24 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

ADP1653ACPZ-R21 데이터시트(HTML) 10 Page - Analog Devices

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ADP1653
Rev. A | Page 10 of 24
500
450
400
350
300
250
200
150
100
50
0
0
5
10
15
20
25
30
HPLED CODE
Figure 11. HPLED Current vs. HPLED Code, I2C Mode, SETF = VDD
86
70
100
400
LED CURRENT (mA)
84
82
80
78
76
74
72
150
200
250
300
350
VDD = 3V
VDD = 3.2V
VDD = 3.6V
VDD = 4.2V
L = D2812C-2R0
DS = BAT20J
D1, D2 = PWF-3
Figure 12. Efficiency PLED/PIN, Two High Power White LEDs in Series
85
80
75
70
65
60
0
500
HPLED CURRENT (mA)
100
200
300
400
VDD = 4.2V
VDD = 3V
VDD = 3.6V
VDD = 3.2V
L = LQM31P-2R2
DS = BAT20J
D1 = PWF-3
Figure 13. Efficiency PLED/PIN, One High Power White LED
Δ: 22.4µs
2
3
4
1
CHANNEL 3 (VOUT) 5V/DIV
CHANNEL 4 (Tx MASK)
5V/DIV
CHANNEL 1 (IBAT) 0.5A/DIV
CHANNEL 2 (IHPLED) 0.2A/DIV
40µs/DIV
Figure 14. Tx Masking Response, Tx Mask 0 V to1.8 V,
IHPLED = 335 mA to 140 mA, VDD = 3.2 V
Δ: 23.2µs
2
3
4
1
CHANNEL 3 (VOUT) 5V/DIV
CHANNEL 4 (Tx MASK)
5V/DIV
CHANNEL 1 (IBAT) 0.5A/DIV
CHANNEL 2 (IHPLED) 0.2A/DIV
40µs/DIV
Figure 15. Tx Masking Response, Tx Mask 0 V to1.8 V,
IHPLED = 140 mA to 335 mA, VDD = 3.2 V
2
3
4
1
CHANNEL 1 (IL) 0.5A/DIV
CHANNEL 2 (IHPLED) 0.2A/DIV
CHANNEL 3 (INT) 5V/DIV
CHANNEL 4 (STR) 5V/DIV
100ms/DIV
Figure 16. Flash Timed Mode, Two LEDs, Timer = 820 ms,
IHPLED = 380 mA, VDD = 3.6 V



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