Rainbow Electronics MAX8724 - Manual (Page 10)

MAX1908/MAX8724
Low-Cost Multichemistry Battery Chargers
10 ______________________________________________________________________________________
-1
1
0
3
2
4
5
0 1.0 0.5 1.5 2.0
CURRENT SETTING ERROR vs. ICTL
MAX1908 toc13
V ICTL (V)
CURRENT-SETTING ERROR (%)
V REFIN = 3.3V
0
1.5
1.0
0.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0 1.0 0.5 1.5 2.0 2.5 3.0
ICHG ERROR vs. CHARGE CURRENT
MAX1908 toc14
I BATT (A)
ICHG (%)
V BATT = 16V
V BATT = 12V
V BATT = 8V
V REFIN = 3.3V
-40
-30
-20
-10
0
10
20
30
40
0 1 2 3 4
IINP ERROR vs. SYSTEM LOAD CURRENT
MAX1908 toc15
SYSTEM LOAD CURRENT (A)
IINP ERROR (%)
I BATT = 0
-80
-60
-40
-20
0
20
40
60
80
0 0.5 1.0 1.5 2.0
IINP ERROR vs. INPUT CURRENT
MAX1908 toc16
INPUT CURRENT (A)
IINP ERROR (%)
SYSTEM LOAD = 0
ERROR DUE TO SWITCHING NOISE
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
DCIN
= 20V, T
A
= +25°C, unless otherwise noted.)