Data Sheet

© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
FAN5400 Family • Rev. 1.10 13
FAN5400 Family — USB-Compliant Single-Cell Li-Ion Switching Charger with USB-OTG Boost Regulator
Charge Mode Typical Characteristics
Unless otherwise specified, circuit of Figure 1, V
OREG
=4.2 V, V
BUS
=5.0 V, and T
A
=25°C.
Figure 17. No Battery at V
BUS
Power-up;
FAN5400, FAN5403
Figure 18. No Battery at V
BUS
Power-up;
FAN5402, FAN5405
0
50
100
150
200
4.0 4.5 5.0 5.5 6.0
High-Z Mode Current (A)
Input Voltage, VBUS (V)
-30C
+25C
+85C
1.77
1.78
1.79
1.80
1.81
1.82
0 1 2 3 4 5
VREG (V)
1.8V Regulator Load Current (mA)
-10C, 5.0VBUS
+25C, 5.0VBUS
+85C, 5.0VBUS
Figure 19. VBUS Current in High-Impedance Mode
with Battery Open
Figure 20. V
REG
1.8 V Output Regulation