SP6686EB Datasheet, PDF (2/4 Pages) Sipex Corporation – Evaluation Board Manual

POWER SUPPLY DATA
Torch Mode 150m A Iout
250
200
150
Vf = 3.5V
100
Vf = 3.3V
50
Vf = 3.1V
Vf = 3.0V
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V)
Figure 1. Torch Mode Output Current
100
Torch Mode 150m A Efficiency
90
80
70
Vf = 3.5V
60
Vf = 3.3V
50
Vf = 3.1V
Vf = 3.0V
40
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V)
Figure 3. Torch Mode Efficiency
Flash Mode 400m A Iout
600
500
400
300
Vf = 4.1V
200
Vf = 3.8V
Vf = 3.5V
100
Vf = 3.2V
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Vin (V)
Figure 2. Flash Mode Output Current
Flash Mode 400m A Efficiency
100
Vf = 4.1V
90
Vf = 3.8V
80
Vf = 3.5V
Vf = 3.2V
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
EN
Ch1 = EN
Vout
Ch2 = Vout
Ch4 = Iin
(0.5A/div)
Iin
0.5A/div
Figure 5. Startup 150mA Torch, Vin=3.6V, Vout=3.1V.
EN
Vout
Iin
0.5A/div
Figure 6. Startup 400mA Flash, Vin=3.6V, Vout=3.5V.
Ch1 = Vin (AC)
50mV/div
Vin
Vin
Ch2 = Vout (AC)
50mV/div
Vout
Vout
Figure 7. Ripple 150mA Torch, Vin=4.2V, Vout=3.1V.
Cin=4.7uF, CFC=0.47uF, Cout=2.2uF.
Figure 8. Ripple 400mA Flash, Vin=3.6V, Vout=3.5V
Cin=4.7uF, CFC=0.47uF, Cout=2.2uF.
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