FAN54300 Datasheet, PDF (20/43 Pages) Fairchild Semiconductor – USB-Compliant, Dual-Power Input, Single-Cell, Li-Ion Switching Charger with USB-OTG Boost Regulator

Boost Mode Typical Characteristics
Unless otherwise specified, using the circuit of Figure 1, VBAT=3.6 V, TA=25°C.
100
95
90
85
80
75
70
0
5.15
5.10
50
100
150
200
VBUS Load Current (mA)
2.7VBAT
3.6VBAT
4.2VBAT
250
300
Figure 32. Efficiency vs. VBAT
2.7VBAT
3.6VBAT
4.2VBAT
5.05
5.00
4.95
0
50
100
150
200
250
300
VBUS Load Current (mA)
Figure 34. Output Regulation vs. VBAT
600
500
400
300
200
100
0
2
-30C
+25C
+85C
2.5
3
3.5
4
4.5
5
Battery Voltage, VBAT (V)
Figure 36. Quiescent Current
100
95
90
85
80
75
70
0
50
100
150
200
VBUS Load Current (mA)
-10C, 3.6VBAT
+25C, 3.6VBAT
+85C, 3.6VBAT
250
300
Figure 33. Efficiency Over Temperature
5.15
5.10
-10C, 3.6VBAT
+25C, 3.6VBAT
+85C, 3.6VBAT
5.05
5.00
4.95
0
50
100
150
200
250
300
VBUS Load Current (mA)
Figure 35. Output Regulation Over Temperature
25
20
15
10
5
0
2
2.5
3
3.5
4
Battery Voltage, VBAT (V)
-30C
+25C
+85C
4.5
5
Figure 37. High-Impedance Mode Battery Current
© 2010 Fairchild Semiconductor Corporation
FAN54300 • Rev. 1.0.4
20
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