MAX1530 Datasheet, PDF (8/33 Pages) Maxim Integrated Products – Multiple-Output Power-Supply Controllers for LCD Monitors

Multiple-Output Power-Supply Controllers for
LCD Monitors
Typical Operating Characteristics (continued)
(Circuit of Figure 1; including R5, R6, and D2; T_A = +25°C, unless otherwise noted.)
LR1 NORMALIZED LOAD REGULATION
0
-0.5
-1.0
-1.5
-2.0
0
100 200 300 400 500
LOAD CURRENT (mA)
LR1 NORMALIZED LINE REGULATION
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
2
200mA LOAD CURRENT
3
4
5
6
INPUT VOLTAGE (V)
LR1 LOAD TRANSIENT
MAX1530 toc12
A
2.5V
B
0mA
40µs/div
A: LR1 OUTPUT VOLTAGE, 100mV/div, AC-COUPLED
B: LR1 LOAD CURRENT, 500mA/div
LR2/LR3 BASE CURRENT
vs. DRV2/DRV3 VOLTAGE
5
V_FBL2 = V_FBL3 = 1.175V
4
3
2
1
0
0
1
2
3
4
5
DRV2/DRV3 VOLTAGE (V)
LR3 NORMALIZED LOAD REGULATION
0
-0.5
-1.0
-1.5
-2.0
0
4
8
12
16
20
LOAD CURRENT (mA)
LR2 NORMALIZED LOAD REGULATION
0
-0.3
-0.6
-0.9
-1.2
-1.5
0
10
20
30
40
50
LOAD CURRENT (mA)
LR3 NORMALIZED LINE REGULATION
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
24
20mA LOAD CURRENT
28
32
36
40
INPUT VOLTAGE (V)
LR2 NORMALIZED LINE REGULATION
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
9
20mA LOAD CURRENT
13
17
21
25
INPUT VOLTAGE (V)
LR4 BASE CURRENT
vs. DRV VOLTAGE
30
V_FBL4 = 1.175V
25
20
15
10
5
0
0
2
4
6
8
10
DRV4 VOLTAGE (V)
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