MAX8725 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX8725 Datasheet PDF : 30 Pages
| |||
Multichemistry Battery Chargers with Automatic
System Power Selector
Typical Operating Characteristics (continued)
(Circuit of Figure 2, VDCIN = 20V, charge current = 3A, 4 Li+ series cells, TA = +25°C, unless otherwise noted.)
SWITCHING FREQUENCY vs. VIN - VBATT
500
450
400
350
300
250
200
150
100
50
0
0
2
4
6
8
10
VIN - VBATT (V)
IINP ACCURACY vs. INPUT CURRENT
8
6
4
2
0
-2
-4
-6
-8
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
INPUT CURRENT (A)
INPUT CURRENT-LIMIT ACCURACY
vs. SYSTEM LOAD
4
3
2
1 VBATT = 16V VBATT = 12V
0
-1
-2
0
VBATT = 13V
VBATT = 10V
0.5 1.0 1.5 2.0 2.5 3.0 3.5
SYSTEM LOAD (A)
IINP ERROR vs. INPUT CURRENT
4.0
3.5
CHARGER
3.0
DISABLED
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
INPUT CURRENT (A)
INPUT CURRENT-LIMIT ACCURACY
vs. SYSTEM LOAD
4
VBATT = 13V
3
VBATT = 10V
2
1
VBATT = 16V
0
VBATT = 12V
ICHARGE = 3A
-1
MAX1909 ONLY
-2
0.5 1.0 1.5 2.0 2.5 3.0
SYSTEM LOAD (A)
INPUT CURRENT-LIMIT ACCURACY vs. VCLS
3
2
1
0
-1
-2
-3
1.5
2.0
2.5
3.0
3.5
VCLS (V)
______________________________________________________________________________________ 11
Share Link: 