2

POWER SUPPLY DATA

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

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

Figure 1. Torch Mode Output Current

Figure 2. Flash Mode Output Current

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

Figure 3. Torch Mode Efficiency

Figure 4. Flash Mode Efficiency

Ch1 = EN

Ch2 = Vout

Ch4 = Iin

(0.5A/div)

Figure 5. Startup 200mA Torch, Vin=3.6V, Vout=3.0V.

Figure 6. Startup 700mA Flash, Vin=3.6V, Vout=3.3V.

Ch1 = Vin (AC)

50mV/div

Ch2 = Vout (AC)

50mV/div

Figure 7. Ripple 200mA Torch, Vin=3.6V, Vout=3.15V.

Figure 8. Ripple 700mA Flash, Vin=3.6V, Vout=3.35V.