FAN5400 Fairchild Semiconductor, FAN5400 Datasheet - Page 15

• Manufacturer Part Number: FAN5400
• Description: The FAN5400 combines a highly integrated switched-mode charger, to minimize single-cell Lithium-ion (Li-ion) charging time from a USB power source, and a boost regulator to power a USB peripheral from the battery
• Manufacturer: Fairchild Semiconductor

Boost Mode Typical Characteristics
Unless otherwise specified, using circuit of Figure 1, V
© 2009 Fairchild Semiconductor Corporation
FAN5400 Family • Rev. 1.0.7
30
25
20
15
10
5
0
0
Figure 27. Boost PWM Waveform
Figure 29. Output Ripple vs. V
50
V
BUS
100
Load Current (mA)
150
200
BAT
250
2.7VBAT
3.6VBAT
4.2VBAT
4.5VBAT
BAT
=3.6V, T
300
15
A
=25°C.
30
25
20
15
10
5
0
Figure 30. Output Ripple vs. Temperature
0
Figure 28. Boost PFM Waveform
50
V
BUS
100
Load Current (mA)
150
200
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-30C, 3.6VBAT
+25C, 3.6VBAT
+85C, 3.6VBAT
250
300