ADP1655 datasheet(10/24 Pages) AD

10 / 24 page

ADP1655

Rev. 0 | Page 10 of 24

CHANNEL 1 (IBAT) 1A/DIV

CHANNEL 2 (IHPLED) 0.2A/DIV

CHANNEL 3 (VOUT) 5V/DIV

CHANNEL 4 (TX_MASK) 5V/DIV

L = FDSE0312-2R2M

COUT =10µF

Δ: 260µs

100µs/DIV

Figure 17. Tx Masking Response, TX_MASK = 1.8 V to 0 V,

ILED = 40 mA to 400 mA, VIN = 3.2 V

CHANNEL

1 (IHPLED) 0.1A/DIV

CHANNEL 2 (STROBE) 1V/DIV

CHANNEL 3 (SCL) 5V/DIV

200ms/DIV

Figure 18. Assist Light and Flash, STROBE Edge Sensitive Mode, Two LEDs,

Timer = 850 ms, ILED = 40 mA to 400 mA, VIN = 3.6 V

CHANNEL 1 (IHPLED) 0.1A/DIV

CHANNEL 2 (STROBE) 1V/DIV

CHANNEL 3 (SCL) 5V/DIV

200ms/DIV

Figure 19. Assist Light and Flash, STROBE Level Sensitive Mode, Two LEDs,

ILED = 40 mA to 400 mA, VIN = 3.6 V

CHANNEL 1 (VIN) 0.5V/DIV

CHANNEL 2 (IHPLED) 20mA/DIV

L = FDSE0312-2R2M

COUT =10µF

100µs/DIV

Figure 20. Line Transient, VIN = 3.2 V to 3.6 V, ILED = 400 mA

1.2

1.4

1.6

1.8

2.0

2.2

2.4

–40

–20

TEMPERATURE (°C)

VIN = 3.2V

VIN = 3.6V

VIN = 4.2V

Figure 21. Coil Peak Current Limit vs. Temperature, Output Mode Register =

00, 01, 10, and 11 (Binary)

0.2

0.4

0.6

0.8

1.0

1.2

TEMPERATURE (°C)

–40

–20

VIN = 2.5V

VIN = 3.6V

VIN = 4.5V

Figure 22. Shutdown Current vs. Temperature vs. VIN

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