MAX1530_09 Datasheet, PDF (9/33 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.)
LR4 NORMALIZED LOAD REGULATION
0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
0
100 200 300 400 500
LOAD CURRENT (mA)
LR4 LOAD TRANSIENT
MAX1530 toc21
LR4 NORMALIZED LINE REGULATION
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
9
200mA LOAD CURRENT
13
17
21
25
INPUT VOLTAGE (V)
LR4 PULSED LOAD TRANSIENT
MAX1530 toc22
A
10V
A
10V
B
0mA
40µs/div
A: LR4 OUTPUT VOLTAGE, 100mV/div, AC-COUPLED
B: LR4 LOAD CURRENT, 500mA/div
B
0A
10µs/div
A: LR4 OUTPUT VOLTAGE, 100mV/div, AC-COUPLED
B: LR4 LOAD CURRENT, 1A/div
MAX1531
OVERCURRENT PROTECTION (CSH, CSL)
MAX1530 toc23
A
B
LR5 BASE CURRENT
vs. DRV5 VOLTAGE
10
V_FBL5 = 0V
8
6
C
4
D
A: V_LX, 10V/div
B: V_OUT, 5V/div
20µs/div
C: V_RESET, 5V/div
D: V_CSH - V_CSL, 500mV/div
2
0
0
1
2
3
4
5
DRV5 VOLTAGE (V)
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