MIC79050 Datasheet, PDF (5/20 Pages) Micrel Semiconductor – Simple Lithium-Ion Battery Charger Preliminary Information

MIC79050
Typical Characteristics
Dropout Voltage
vs. Output Current
400
300
200
100
00 _{100 200 300 400 500}
OUTPUT CURRENT (mA)
Dropout Characteristics
5
4
250mA
3
500mA
2
1
00
2
4
6
INPUT VOLTAGE (V)
Ground Current
vs. Supply Voltage
25
500mA
20
15
10
250mA
5
125mA
00 _{1 2 3 4 5 6}
SUPPLY VOLTAGE (V)
Ground Current
vs. Temperature
13.5
13.0
12.5
12.0
11.5
11.-040
0
40
80 120
TEMPERATURE (C)
June 2000
Dropout Voltage
vs. Temperature
600
500
400
300
200
100
-040
0
40
80 120
TEMPERATURE (C)
Output Current
vs. Ground
12
10
8
6
4
2
00 _{100 200 300 400 500}
OUTPUT CURRENT (mA)
Ground Current
vs. Temperature
150
100
50
-040
0
40
80 120
TEMPERATURE (C)
4.210
Battery Voltage
vs. Temperature
4.205
4.200
4.195
4.19-040 _{-20 0 20 40 60 80 100120140}
TEMPERATURE (C)
5
Micrel
Dropout Characteristics
5
4
3
2
1
5mA
50mA, 150mA
00 _{2 4 6 8 10 12 14 16}
INPUT VOLTAGE (V)
Ground Current
vs. Supply Voltage
1.5
50mA
1
5mA
0.5
00
4
8
12
16
SUPPLY VOLTAGE (V)
Ground Current
vs. Temperature
4.0
3.8
3.6
3.4
3.2
3.-040
0
40
80 120
TEMPERATURE (C)
Short Circuit Current
vs. Temperature
800
700
600
500
400
300
200
100
-040
0
40
80 120
TEMPERATURE (C)
MIC79050