Rainbow-electronics MAX15023 Instrukcja Użytkownika Pobierz pdf (Strona 8)

MAX15023

Wide 4.5V to 28V Input, Dual-Output

Synchronous Buck Controller

8 _______________________________________________________________________________________

Typical Operating Characteristics (continued)

(Supply = IN = 12V, unless otherwise noted. See

Typical Application Circuit

of Figure 6.)

STARTUP INTO PREBIASED OUTPUT

(1V PREBIASED)

MAX15023 toc23

2ms/div

OUT1

500mV/div

STARTUP INTO PREBIASED OUTPUT

(1.5V PREBIASED)

MAX15023 toc24

2ms/div

OUT1

500mV/div

DH_ AND DL_ DISOVERLAP

MAX15023 toc25

20ns/div

DH1

10V/div

DL1

5V/div

LX1

10V/div

OUT1

= 5A

DH_ AND DL_ DISOVERLAP

MAX15023 toc26

20ns/div

DH1

10V/div

DL1

5V/div

LX1

10V/div

OUT1

= 5A

OUT-OF-PHASE SWITCHING FORMS

MAX15023 toc27

1µs/div

LX1

10V/div

LX2

10V/div

LX1

5A/div

LX2

2A/div

OUT1

= 5A

OUT2

= 2.5A

SINK CURRENT-LIMIT WAVEFORMS

MAX15023 toc28

100µs/div

OUT1

200mV/div

LX1

20V/div

LX1

2A/div

1.5V PREBIASED

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 26 27

MAX15023 1
Synchronous Buck Controller 1

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