ADP1650CB-EVALZ datasheet(9/32 Pages) AD

Teilenummer	ADP1650CB-EVALZ

Bauteilbeschribung	1.5 A LED Flash Driver with I2C-Compatible Interface

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Hersteller	AD [Analog Devices]

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ADP1650

Rev. C | 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 12. Exit from TxMASK1 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 13. 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)

VIN = 2.7V

VIN = 3.6V

VIN = 4.5V

Figure 14. Standby Current vs. Temperature

0

10

20

30

40

50

60

70

80

90

100

0.30.50.70.91.11.31.5

LED CURRENT (A)

VIN = 4.2V

VIN = 3.6V

VIN = 3.4V

VIN = 3.2V

Figure 15. 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 16. 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

1111

Figure 17. ADC External Voltage Mode Transfer Characteristic

Ähnliche Beschreibung - ADP1650CB-EVALZ

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