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Date: 12/15/04

SP6685 Charge Pump LED Driver for Camera Flash

© Copyright 2004 Sipex Corporation

TYPICAL PERFORMANCE CHARACTERISTICS

Figure 1. Torch Mode Output Current

Figure 2. Flash Mode Output Current

Figure 3. Torch Mode Efficiency

Figure 4. Flash Mode Efficiency

Torch Mode 200mA Iout

0

100

200

300

3.0

3.2

3.4

3.6

3.8

4.0

4.2

Vin (V)

Vf = 3.0V

Vf = 3.3V

Vf = 3.6V

Vf = 3.9V

Torch Mode 200mA Efficiency

40

50

60

70

80

90

100

3.0

3.2

3.4

3.6

3.8

4.0

4.2

Vin (V)

Vf = 3.0V

Vf = 3.3V

Vf = 3.6V

Vf = 3.9V

Flash Mode 700mA Efficiency

40

50

60

70

80

90

100

3.0

3.2

3.4

3.6

3.8

4.0

4.2

Vin (V)

Vf = 3.3V

Vf = 3.6V

Vf = 3.9V

Vf = 4.2V

Flash Mode 700mA Iout

0

100

200

300

400

500

600

700

800

900

3.0

3.2

3.4

3.6

3.8

4.0

4.2

Vin (V)

Vf = 3.3V

Vf = 3.6V

Vf = 3.9V

Vf = 4.2V