LP3913 Datasheet, PDF (15/70 Pages) Texas Instruments – Power Management IC for Flash Memory-Based Portable Media Players

LP3913
www.ti.com
SNVS489I – NOVEMBER 2006 – REVISED SEPTEMBER 2013
TYPICAL CHARACTERISTICS — BATTERY CHARGER (continued)
T_A = 25°C unless otherwise noted
ICHG vs. CHG_DET
VBATT = 3.5V, CC
540
ICHG vs. Temperature
CHG_DET = 5V, VBATT = 3.75V, CC
540
520
520
0°C
500
500
25°C
480
125°C
480
460
460
440
4.0
4.5
5.0
5.5
6.0
CHG_DET (V)
Figure 8.
ICHG vs. Temperature
CHG_DET = 5V, VBATT = 2.5V, Prequal
55.0
440
0
25 50 75 100 125 150
JUNCTION TEMPERATURE (°C)
Figure 9.
Thermal Regulation of Charge Current
600
53.0
51.0
49.0
47.0
45.0
0
25 50 75 100 125 150
JUNCTION TEMPERATURE (°C)
Figure 10.
500
400
300
Active Thermal Regulation
200
100
VDD = 5V
0 ^{VBATT = 3.5V}
80
90 100 110 120 130
JUNCTION TEMPERATURE (°C)
Figure 11.
USB ILIMIT vs. Temperature
520
500
480
460
440
420
0
25 50 75 100 125 150
JUNCTION TEMPERATURE (°C)
Figure 12.
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