FAN5400_11 Datasheet, PDF (14/37 Pages) Fairchild Semiconductor – FAN5400 / FAN5401 / FAN5402 / FAN5403 / FAN5404 / FAN5405 USB-Compliant Single-Cell Li-Ion Switching Charger

Boost Mode Typical Characteristics
Unless otherwise specified, using circuit of Figure 1, V_BAT=3.6V, T_A=25°C.
100
100
95
95
90
90
85
80
75
0
50
100
150
200
VBUS Load Current (mA)
2.7VBAT
3.6VBAT
4.2VBAT
250
300
85
80
75
0
50
100
150
200
VBUS Load Current (mA)
-10C, 3.6VBAT
+25C, 3.6VBAT
+85C, 3.6VBAT
250
300
5.12
5.09
5.06
5.03
5.00
4.97
4.94
0
Figure 21. Efficiency vs. V_BAT
2.7VBAT
3.6VBAT
4.2VBAT
50
100
150
200
250
300
VBUS Load Current (mA)
Figure 22. Efficiency Over Temperature
5.12
5.09
5.06
-10C, 3.6VBAT
+25C, 3.6VBAT
+85C, 3.6VBAT
5.03
5.00
4.97
4.94
0
50
100
150
200
250
300
VBUS Load Current (mA)
Figure 23. Output Regulation vs. V_BAT
250
200
-30C
+25C
+85C
Figure 24. Output Regulation Over Temperature
20
15
150
10
100
50
2
2.5
3
3.5
4
4.5
5
Battery Voltage, VBAT (V)
Figure 25. Quiescent Current
5
-30C
+25C
+85C
0
2
2.5
3
3.5
4
4.5
5
Battery Voltage, VBAT (V)
Figure 26. High-Impedance Mode Battery Current
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FAN5400 Family • Rev. 1.0.7
14
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