Datasheet

80
85
90
95
100
0 500 1000 1500
Efficiency (%)
VBUS Load Current (A)
VBAT = 3.2 V
VBAT = 3.8 V
C013
3.60
3.62
3.64
3.66
3.68
3.70
0 1 2 3 4 5
SYS Voltage (V)
System Load Current (A)
VBUS = 5 V
VBUS = 17 V
C014
85
87
89
91
93
95
0 1 2 3 4 5
Efficiency (%)
Load Current (A)
VBUS = 5 V
VBUS = 7 V
VBUS = 9 V
VBUS = 12 V
C011
70
75
80
85
90
95
0 100 200 300 400 500 600
Efficiency (%)
Load Current (mA)
VBUS = 5 V
VBUS = 9 V
C012
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www.ti.com SLUSAW5A –JANUARY 2012–REVISED OCTOBER 2012
TYPICAL CHARACTERISTICS (continued)
Table 1. Tables of Figures (continued)
FIGURE NO.
Load Transient during Supplement Mode (VBUS 9V, IIN 1.5A, VBAT 3.8V) Figure 20
PWM Switching Waveform (VBUS 12V, VBAT 3.8V, ICHG 3A) Figure 21
PFM Switching Waveform (VBUS 9V, No Battery, ISYS 10 mA, Charge Disable) Figure 22
Boost Mode Switching Waveform (VBAT 3.8V, ILOAD 1A) Figure 23
Boost Mode Load Transient (VBAT 3.8V) Figure 24
CHARGING EFFICIENCY SYSTEM LIGHT LOAD EFFICIENCY
vs vs
CHARGING CURRENT SYSTEM LOAD CURRENT
Figure 5. Figure 6.
BOOST MODE EFFICIENCY SYS VOLTAGE REGULATION
vs vs
VBUS LOAD CURRENT SYSTEM LOAD
Figure 7. Figure 8.
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