Datasheet

3.4
3.45
3.5
3.55
3.6
3.65
3.7
3.75
3.8
3.85
3.9
−50 0 50 100 150
Temperature (°C)
SYSREG and MINSYS Regulation (V)
SYSREG Regulation
MINSYS Regulation
G003
4.19
4.192
4.194
4.196
4.198
4.2
4.202
4.204
4.206
4.208
4.21
0 25 50 75 100 125
Temperature (°C)
Battery Regulation (V)
G004
0
10
20
30
40
50
60
70
80
90
100
0.1 1 3
System Current (A)
Efficiency (%)
V
IN
= 5 V
V
IN
= 7 V
V
IN
= 9 V
G001
0
10
20
30
40
50
60
70
80
90
100
0.1 1 2
System Current (A)
Efficiency (%)
V
USB
= 5 V
V
USB
= 6 V
G002
500 mA/div
1 A/div
1 V/div
10 ms/div
V
BAT
I
USB
V
SYS
I
BAT
4 ms/div
V
CHG
V
SW
V
USB
I
BAT
500 mA/div
5 V/div
5 V/div
5 V/div
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SLUSAP4B –DECEMBER 2011–REVISED MARCH 2013 www.ti.com
TYPICAL CHARACTERISTICS (continued)
OVP Fault
Load Transient into Supplement Mode USB Input
Conditions: MINSYS Operation, USB500, 200mA - 1400mA Load
Step on SYS
Figure 9. Figure 10.
IN Efficiency USB Efficiency
Conditions: Charge Disabled, SYS loaded, V
BATREG
= 3.6V, IN2500 Conditions: Charge Disabled, SYS loaded, V
BATREG
= 3.6V, USB1500
ILIM ILIM
Figure 11. Figure 12.
SYSREG and MINSYS Regulation vs. Temperature Battery Regulation vs Temperature
Conditions: V
BAT
= 3V Conditions: V
BATREG
= 4.2V, No load, Termination Disabled
Figure 13. Figure 14.
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