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ADP1650ACBZ-R7 数据表(PDF) 9 Page - Analog Devices

部件名 ADP1650ACBZ-R7
功能描述  1.5 A LED Flash Driver with I2C-Compatible Interface
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1650ACBZ-R7 数据表(HTML) 9 Page - Analog Devices

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ADP1650
Rev. 0 | Page 9 of 32
CH4
CH2
CH2 2V
CH4 500mA
Ω
1V
1A
Ω
M40µs
A CH1
680mV
4
3
2
1
T 16%
LED OUT
GPIO1 (TxMASK1)
IBAT
ILED
Figure 10. Exit from TxMASK Mode
2.94
2.95
2.96
2.97
2.98
2.99
3.00
3.01
3.02
3.03
3.04
2.7
3.0
3.3
3.6
3.9
4.2
4.5
4.8
5.1
5.4
INPUT VOLTAGE (V)
–40°C
+25°C
+85°C
+125°C
Figure 11. Switching Frequency vs. Supply Voltage (3 MHz Mode)
0
1
2
3
4
5
6
–40
–20
0
20
40
60
80
100
120
TEMPERATURE (°C)
2.7V
3.6V
4.5V
Figure 12. Standby Current vs. Temperature
0
10
20
30
40
50
60
70
80
90
100
0.3
0.5
0.7
0.9
1.1
1.3
1.5
LED CURRENT (A)
VIN = 4.2V
VIN = 3.6V
VIN = 3.4V
VIN = 3.2V
Figure 13. Flash Mode Efficiency vs. LED Current
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
OUTPUT CURRENT (A)
VIN = 2.7V
VIN = 3.0V
VIN = 3.6V
VIN = 4.2V
Figure 14. Voltage Regulation Mode Efficiency vs. Load Current
0
50
100
150
200
250
300
350
400
450
500
550
ADC INPUT VOLTAGE (mV)
0010
0000
0100
0110
1000
1010
1100
1110
Figure 15. ADC External Voltage Mode Transfer Characteristic



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