ADP1655 datasheet(8/24 Pages) AD

8 / 24 page

ADP1655

Rev. 0 | Page 8 of 24

TYPICAL PERFORMANCE CHARACTERISTICS

600

500

400

300

200

100

INPUT VOLTAGE (V)

4.2

4.7

5.2

3.7

3.2

2.7

ILIMIT – 2.00A

ILIMIT – 1.75A

ILIMIT – 1.50A

ILIMIT – 1.25A

Figure 5. Maximum Current vs. Input Voltage, One LED

450

400

350

300

250

200

150

100

INPUT VOLTAGE (V)

4.2

4.7

5.2

3.7

3.2

2.7

ILIMIT – 2.00A

ILIMIT – 1.75A

ILIMIT – 1.50A

ILIMIT – 1.25A

Figure 6. Maximum Current vs. Input Voltage, Two LEDs;

LED Forward Voltage (Vf) = 4.3 V for each LED

CHANNEL

1 (IL) 0.5A/DIV

CHANNEL 2 (IHPLED) 0.2A/DIV

CHANNEL 3 (VOUT) 5V/DIV

CHANNEL 4 (STROBE) 5V/DIV

L = FDSE0312-2R2M

COUT =10µF

Δ: 335µs

50µs/DIV

Figure 7. Startup, Two LEDs Flash Mode, ILED = 400 mA, VIN = 3.2 V

CHANNEL 1 (IL) 0.5A/DIV

CHANNEL 2 (IHPLED) 0.2A/DIV

CHANNEL 3 (VOUT) 5V/DIV

CHANNEL 4 (STROBE) 5V/DIV

L = FDSE0312-2R2M

COUT =10µF

Δ: 335µs

50µs/DIV

Figure 8. Startup, Two LEDs Flash Mode, ILED = 400 mA, VIN = 3.6 V

CHANNEL

1 (IL) 0.5A/DIV

CHANNEL 2 (IHPLED) 0.2A/DIV

CHANNEL 3 (VOUT) 5V/DIV

CHANNEL 4 (SCL) 5V/DIV

L = FDSE0312-2R2M

COUT =10µF

Δ: 180µs

50µs/DIV

Figure 9. Startup, Two LEDs Assist Light Mode, ILED = 40 mA, VIN = 3.2 V

CHANNEL 1 (IL) 0.5A/DIV

CHANNEL 2 (IHPLED) 0.2A/DIV

CHANNEL 3 (VOUT) 5V/DIV

CHANNEL 4 (SCL) 5V/DIV

L = FDSE0312-2R2M

COUT =10µF

Δ: 180µs

50µs/DIV

Figure 10. Startup, Two LEDs Torch Mode, ILED = 40 mA, VIN = 3.6 V

ADP1655 bảng dữ liệu(PDF) 8 Page - Analog Devices

ADP1655 bảng dữ liệu(HTML) 8 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

bảng dữ liệu tải về

Link URL