FAN54300 Datasheet, PDF (21/43 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.
Figure 38. Boost PWM Waveform
Figure 39. Boost PFM Waveform
30
25
20
15
10
5
0
0
2.7VBAT
3.6VBAT
4.2VBAT
50
100
150
200
250
300
VBUS Load Current (mA)
Figure 40. Output Ripple vs. VBAT
30
25
20
15
10
5
0
0
-30C, 3.6VBAT
+25C, 3.6VBAT
+85C, 3.6VBAT
50
100
150
200
250
300
VBUS Load Current (mA)
Figure 41. Output Ripple vs. Temperature
© 2010 Fairchild Semiconductor Corporation
FAN54300 • Rev. 1.0.4
21
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