MAX15020ATP(2007) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX15020ATP
(Rev.:2007)

2A, 40V Step-Down DC-DC Converter with Dynamic Output-Voltage Programming

Maxim Integrated 

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

Dynamic Output-Voltage Programming

Typical Operating Characteristics (continued)

(VIN = 36V, Circuit of Figure 2, TA = +25°C, unless otherwise noted.)

LOAD TRANSIENT

MAX15020 toc16

LOAD TRANSIENT

MAX15020 toc17

VOUT

IOUT

VIN = 40V, VOUT = 30V

200µs/div

50mV/div

AC-COUPLED

2A

1A

LIGHT-LOAD SWITCHING WAVEFORMS

MAX15020 toc18

VOUT

IOUT

VIN = 40V, VOUT = 30V

200µs/div

50mV/div

AC-COUPLED

1.1A

0.25A

SWITCHING WAVEFORMS

MAX15020 toc19

VLX

20V/div

VLX

20V/div

0V

0V

ILX

ILOAD = 40mA

1µs/div

1A/div

0A

ILX

ILOAD = 500mA

1µs/div

1A/div

0A

HEAVY-LOAD

SWITCHING WAVEFORMS

MAX15020 toc20

VLX

ILX

ILOAD = 2A

1µs/div

20V/div

0V

1A/div

0A

FEEDBACK VOLTAGE

vs. REFIN INPUT VOLTAGE

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

0

1

2

3

4

REFIN INPUT VOLTAGE (V)

6 _______________________________________________________________________________________

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