SC618 datasheet(5/13 Pages) SEMTECH

部件名	SC618

功能描述	Charge Pump Flash LED Driver with Safety Timer

PDF	13 Pages

Scroll/Zoom	100%

制造商	SEMTECH [Semtech Corporation]

网页	http://www.semtech.com

标志

5 / 13 page

SC618

Typical Characteristics

Flash Current at 10ms, R

ISET = 500m

Ω, V

OUT = 3.75V

485

490

495

500

505

510

515

3.3

3.45

3.6

3.75

3.9

4.05

4.2

VIN (V)

Flash Current at 500ms, R

ISET = 500m

Ω, V

OUT = 3.58V

485

490

495

500

505

510

515

3.3

3.45

3.6

3.75

3.9

4.05

4.2

VIN (V)

Spotlight Current, R

ISET = 500m

Ω, V

OUT = 3.16V

180

188

196

204

212

220

3.45

3.9

4.35

4.8

5.25

VIN (V)

1x Mode

Transition to

2x Mode

Flash Duration, R

ISET = 500m

Ω, V

OUT = 3.75V (start),

3.58V (LED Heated 500ms)

485

491

497

503

509

515

100

200

300

400

500

Pulse Duration (ms)

VIN=4.2V

VIN=3.7V

VIN=3.3V

Flash Duration, R

ISET = 350m

Ω, V

OUT = 3.86V

(start), 3.61V (LED Heated 500ms)

675

695

715

735

755

100

200

300

400

500

Pulse Duration (ms)

VIN=4.2V

VIN=3.7V

VIN=3.3V

VIN=3.4V

Flash Current at 100ms, R

ISET = 500m

Ω, V

OUT = 3.68V

485

490

495

500

505

510

515

3.3

3.45

3.6

3.75

3.9

4.05

4.2

VIN (V)

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