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

500mV/div

0V

STARTUP INTO PREBIASED OUTPUT

(1.5V PREBIASED)

MAX15023 toc24

2ms/div

500mV/div

0V

DH_ AND DL_ DISOVERLAP

MAX15023 toc25

20ns/div

10V/div

5V/div

10V/div

DH_ AND DL_ DISOVERLAP

MAX15023 toc26

20ns/div

10V/div

5V/div

10V/div

OUT-OF-PHASE SWITCHING FORMS

MAX15023 toc27

1

μs/div

10V/div

10V/div

5A/div

2A/div

SINK CURRENT-LIMIT WAVEFORMS

MAX15023 toc28

100

μs/div

200mV/div

20V/div

2A/div

1.5V PREBIASED