Rainbow-electronics MAX15020 Manual do Utilizador descarregar pdf (Página 6)

MAX15020

2A, 40V Step-Down DC-DC Converter with

Dynamic Output-Voltage Programming

6 _______________________________________________________________________________________

LIGHT-LOAD SWITCHING WAVEFORMS

MAX15020 toc18

1µs/div

20V/div

1A/div

LOAD

= 40mA

SWITCHING WAVEFORMS

MAX15020 toc19

1µs/div

20V/div

1A/div

LOAD

= 500mA

LOAD TRANSIENT

MAX15020 toc16

200µs/div

50mV/div

AC-COUPLED

OUT

= 40V, V

OUT

= 30V

LOAD TRANSIENT

MAX15020 toc17

200µs/div

50mV/div

AC-COUPLED

1.1A

0.25A

OUT

= 40V, V

OUT

= 30V

Typical Operating Characteristics (continued)

= 36V, Circuit of Figure 2, T

= +25°C, unless otherwise noted.)

HEAVY-LOAD

SWITCHING WAVEFORMS

MAX15020 toc20

1µs/div

20V/div

1A/div

LOAD

= 2A

FEEDBACK VOLTAGE

vs. REFIN INPUT VOLTAGE

MAX15020 toc21

REFIN INPUT VOLTAGE (V)

FEEDBACK VOLTAGE (V)

321

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

1 2 3 4 5 6 7 8 9 10 11 ... 18 19

MAX15020 1

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