Rainbow-electronics MAX15046B Manual de usuario descargar pdf (Pagina 7)

40V, High-Performance, Synchronous

Buck Controller

MAX15046

_______________________________________________________________________________________ 7

Typical Operating Characteristics (continued)

= 24V, T

= +25NC, unless otherwise noted.)

STARTUP WITH PREBIASED

OUTPUT (0.5V)

MAX15046 toc15d

OUT

2V/div

PGOOD

5V/div

10V/div

24V

0.5V

4ms/div

OUT

= 3.3V

STARTUP WITH PREBIASED

OUTPUT (2V)

MAX15046 toc15c

OUT

2V/div

PGOOD

5V/div

10V/div

24V

4ms/div

OUT

= 3.3V

SINK CURRENT-LIMIT WAVEFORMS

(5V PREBIASED)

MAX15046 toc16

50V/div

5A/div

OUT

500mV/div

200Fs/div

LINE-TRANSIENT RESPONSE

MAX15046 toc19

200mV/div

24V

OUT

(AC-COUPLED)

200mV/div

10ms/div

OUTPUT SHORT-CIRCUIT BEHAVIOUR

MONITOR

OUTPUT VOLTAGE AND CURRENT

MAX15046 toc18

OUT

200mV/div

OUT

10A/div

10ms/div

DH_ AND DL_ DISOVERLAP

MAX15046 toc17b

5V/div

20V/div

40ns/div

DH_ AND DL_ DISOVERLAP

MAX15046 toc17a

5V/div

20V/div

40ns/div

1 2 3 4 5 6 7 8 9 10 11 12 ... 22 23

Buck Controller 1
MAX15046 1
Inductor Selection 14
Input Capacitor 15
Output Capacitor 15
(See Figure 4) 17
MOSFET Selection 18
TYPICAL APPLICATION CIRCUIT 1 21
TYPICAL APPLICATION CIRCUIT 3 22
TYPICAL APPLICATION CIRCUIT 2 22

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Rainbow-electronics MAX15046B Manual de usuario Pagina 7

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