SP6685EB Datasheet, PDF (2/4 Pages) Sipex Corporation – Evaluation Board Manual

POWER SUPPLY DATA
Torch M ode 200mA Iout
300
200
Vf = 3.0V
Vf = 3.3V
100
Vf = 3.6V
Vf = 3.9V
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V)
Figure 1. Torch Mode Output Current
Torch Mode 200mA Efficiency
100
90
80
Vf = 3.0V
70
Vf = 3.3V
Vf = 3.6V
60
Vf = 3.9V
50
40
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V)
Figure 3. Torch Mode Efficiency
Flash Mode 700mA Iout
900
800
700
600
500
400
Vf = 3.3V
Vf = 3.6V
300
Vf = 3.9V
200
Vf = 4.2V
100
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V)
Figure 2. Flash Mode Output Current
Flash M ode 700mA Efficiency
100
Vf = 3.3V
90
Vf = 3.6V
Vf = 3.9V
80
Vf = 4.2V
70
60
50
40
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V)
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.
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