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ADP1649ACBZ-R7 数据表(PDF) 9 Page - Analog Devices

部件名 ADP1649ACBZ-R7
功能描述  1.0 A LED Flash Driver with I2C-Compatible Interface
PDF  28 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

ADP1649ACBZ-R7 数据表(HTML) 9 Page - Analog Devices

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Data Sheet
ADP1649
Rev. 0 | Page 9 of 28
Figure 11. Exit from TxMASK1 Mode
Figure 12. Switching Frequency vs. Supply Voltage (3 MHz Mode)
Figure 13. Standby Current vs. Temperature
Figure 14. Flash Mode Efficiency vs. LED Current
Figure 15. Voltage Regulation Mode Efficiency vs. Load Current
Figure 16. ADC External Voltage Mode Transfer Characteristic
CH1 2.00V
CH2 500mA
CH4 2.00V
CH3 500mA
M20.00µs
A CH1
1.20V
3
4
2
1
T
80.00µs
LED_OUT
IBAT
ILED
GPIO (TxMASK1)
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
0
1
2
3
4
5
6
–40
–20
0
20
40
60
80
100
120
TEMPERATURE (°C)
VIN = 2.7V
VIN = 3.6V
VIN = 4.5V
0
10
20
30
40
50
60
70
80
90
100
0.3
0.5
0.7
0.9
1.0
LED CURRENT (A)
VIN = 4.2V
VIN = 3.6V
VIN = 3.4V
VIN = 3.2V
40
50
60
70
80
90
100
0.01
0.1
1
OUTPUT CURRENT (A)
VIN = 2.7V
VIN = 3.0V
VIN = 3.3V
VIN = 3.6V
VIN = 4.2V
0
50
100
150
200
250
300
350
400
450
500
550
ADC INPUT VOLTAGE (mV)
0010
0000
0100
0110
1000
1010
1100
1110
1111



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