SP6644EB Datasheet, PDF (3/5 Pages) Sipex Corporation – Evaluation Board Manual

100
90
80
70
60
50
40
0.1
1.0
10.0
100.0
Iload (mA)
Vb=1.0V
Vb=1.3V
Vb=2.0V
Vb=2.6V
Vb=3.2V
1000.0
Figure 1. Efficiency Vs Output Current
(Vout = 3.3V) Rlim=2.5K
100
90
80
70
60
50
40
0.1
Vb=1.0V
Vb=1.3V
Vb=2.0V
Vb=2.6V
Vb=3.2V
1.0
10.0
100.0
Iload (mA)
1000.0
Figure 2. Efficiency Vs Output Current
(Vout = 3.3V) Rlim=5K
3.33
3.32
3.31
3.30
3.29
3.28
3.27
0 20 40 60 80 100 120 140 160 180 200
Iload (mA)
Vb=1.3V
Vb=2.6V
Figure 3. Line/Load Rejection Vs Output Current
(Vout = 3.3V) Rlim=2.5K
3.33
3.32
3.31
3.30
3.29
3.28
3.27
0 10 20 30 40 50 60 70 80 90 100
Iload (mA)
Vb=1.3V
Vb=2.6V
Figure 4. Line/Load Rejection Vs Output Current
(Vout = 3.3V) Rlim=5K
10000
1000
100
Rlim=2.5k
Rlim=5k
10
0.0
1.0
2.0
3.0
4.0
Vbatt (V)
Figure 5. No-Load Battery Current Vs Vbatt
(Vout = 3.3V)
Inductor
0.5A/div
Vout
50mV/div
Vbatt
50mV/div
Figure 7. Load Transient Response
Rlim=2.5K (Vin = 1.3V,Vout = 3.3V)
240
220
200
180
160
140
120
100
80
60
40
20
0
0.0
1.0
2.0
3.0
Vbatt (V)
Rlim=2.5K
Rlim=5K
4.0
Figure 6. Maximum Load Current Vs Vbatt
(Vout = 3.3V)
SP6201
10mV/div
SP6644
20mV/div
Figure 8. SP6644 and SP6201 Output Ripple
Rlim=2.5K (Vin = 1.3V,Vout = 3.3V, Iout=80mA)
3