ADP1650CB-EVALZ datasheet(8/32 Pages) AD

部件名	ADP1650CB-EVALZ

功能描述	1.5 A LED Flash Driver with I2C-Compatible Interface

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制造商	AD [Analog Devices]

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ADP1650

Rev. 0 | Page 8 of 32

TYPICAL PERFORMANCE CHARACTERISTICS

IL = inductor current, ILED = LED current, LED OUT = LED output, IBAT = battery current.

CH1 5V

CH2 1A

Ω

CH4 500mA

Ω

CH3 1V

M100µs

A CH1

400mV

3

4

2

1

T

402.2µs

LED OUT

ILED

IL

STROBE

Figure 4. Startup Flash Mode, VIN = 3.6 V, ILED = 1500 mA

CH1 5V

CH2 100mA

Ω

CH4 100mA

Ω

CH3 2V

M1.00ms

A CH1

600mV

3

4

2

1

T

4.16ms

LED OUT

ILED

GPIO1 (Torch)

IL

Figure 5. Startup Torch Mode, VIN = 3.6 V, ILED = 100 mA

CH1 2V

CH2 1A

Ω

CH4 500mA

Ω

CH3 1V

M100µs

A CH1

440mV

3

4

2

1

T

394.6µs

ILED

IL

VIN = 3.6V

STR

LED OUT

Figure 6. 100 mA Torch to 1500 mA Flash Transition

CH1 2V

CH2 100mA

Ω

CH4 25mA

Ω

M100ns

A CH1

1.6V

4

2

1

T

4.16007ms

ILED

SW

IL

Figure 7. Switching Waveforms, Flash Mode, ILED = 1500 mA

CH1 5V

CH2 100mA

Ω

CH4 100mA

Ω

CH3 2V

M1ms

A CH2

88mA

3

4

2

1

T

30.40%

VIN

LED OUT

ILED

IL

Figure 8. Pass Through to Boost Mode Transition, ILED = 100 mA

CH1 2V

CH4 500mA

Ω

CH3 1V

M10µs

A CH1

680mV

3

4

2

1

T 30.60%

CH2 1A

Ω

LED OUT

IBAT

ILED

GPIO1 (TxMASK1)

Figure 9. Entry into TxMASK Mode

类似零件编号 - ADP1650CB-EVALZ

制造商	部件名	数据表	功能描述
Analog Devices	ADP1650CB-EVALZ	1Mb / 32P	1.5 A LED Flash Driver with I2C-Compatible Interface REV. C

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