Rainbow-electronics MAX1531 Manual de usuario descargar pdf (Pagina 8)

MAX1530/MAX1531

Multiple-Output Power-Supply Controllers for

LCD Monitors

8 _______________________________________________________________________________________

LR1 NORMALIZED LOAD REGULATION

MAX1530 toc10

LOAD CURRENT (mA)

VOLTAGE ERROR (%)

400300200100

-1.5

-1.0

-0.5

-2.0

0 500

LR1 NORMALIZED LINE REGULATION

MAX1530 toc11

INPUT VOLTAGE (V)

OUTPUT-VOLTAGE ERROR (%)

543

-0.8

-0.6

-0.4

-0.2

0.2

-1.0

200mA LOAD CURRENT

LR1 LOAD TRANSIENT

MAX1530 toc12

s/div

A: LR1 OUTPUT VOLTAGE, 100mV/div, AC-COUPLED

B: LR1 LOAD CURRENT, 500mA/div

2.5V

0mA

LR2/LR3 BASE CURRENT

vs. DRV2/DRV3 VOLTAGE

MAX1530 toc13

DRV2/DRV3 VOLTAGE (V)

BASE CURRENT (mA)

4321

FBL2

= V

FBL3

= 1.175V

LR2 NORMALIZED LOAD REGULATION

MAX1530 toc14

LOAD CURRENT (mA)

VOLTAGE ERROR (%)

40302010

-1.2

-0.9

-0.6

-0.3

-1.5

050

LR2 NORMALIZED LINE REGULATION

MAX1530 toc15

INPUT VOLTAGE (V)

OUTPUT-VOLTAGE ERROR (%)

211713

-0.8

-0.6

-0.4

-0.2

0.2

-1.0

925

20mA LOAD CURRENT

LR3 NORMALIZED LOAD REGULATION

MAX1530 toc16

LOAD CURRENT (mA)

VOLTAGE ERROR (%)

161284

-1.5

-1.0

-0.5

-2.0

020

LR3 NORMALIZED LINE REGULATION

MAX1530 toc17

INPUT VOLTAGE (V)

OUTPUT-VOLTAGE ERROR (%)

363228

-0.8

-0.6

-0.4

-0.2

0.2

-1.0

24 40

20mA LOAD CURRENT

LR4 BASE CURRENT

vs. DRV VOLTAGE

MAX1530 toc18

DRV4 VOLTAGE (V)

BASE CURRENT (mA)

8642

010

FBL4

= 1.175V

Typical Operating Characteristics (continued)

(Circuit of Figure 1; including R5, R6, and D2; T

= +25°C, unless otherwise noted.)

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 32 33

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Rainbow-electronics MAX1531 Manual de usuario Pagina 8

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