MAX15020ATP datasheet(5/18 Pages) MAXIM

Part #	MAX15020ATP

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

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Manufacturer	MAXIM [Maxim Integrated Products]

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

Dynamic Output-Voltage Programming

_______________________________________________________________________________________

5

TURN-ON/TURN-OFF WAVEFORM

MAX15020 toc10

10ms/div

5V/div

0V

1V/div

0V

VOUT

VON/OFF

VIN = 40V, RLOAD = 27

Ω

REFOUT VOLTAGE vs. TEMPERATURE

TEMPERATURE (

°C)

110

85

60

35

10

-15

0.97

0.99

1.01

1.03

1.05

0.95

-40

135

EFFICIENCY vs. LOAD CURRENT

OUTPUT CURRENT (A)

1

0.1

10

20

30

40

50

60

70

80

90

100

0

0.01

10

VIN = 40V

VIN = 24V

fS = 500kHz

VOUT = 3.3V

VIN = 12V

VIN = 7.5V

EFFICIENCY vs. LOAD CURRENT

OUTPUT CURRENT (A)

1

0.1

10

20

30

40

50

60

70

80

90

100

0

0.01

10

fS = 500kHz

VIN = 40V

VOUT = 30V

TURN-ON/TURN-OFF WAVEFORM

MAX15020 toc09

10ms/div

5V/div

0V

1V/div

0V

VOUT

VON/OFF

VIN = 12V, RLOAD = 27

Ω

Typical Operating Characteristics (continued)

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

LOAD TRANSIENT

MAX15020 toc14

200

μs/div

50mV/div

AC-COUPLED

2A

1A

IOUT

VOUT

VIN = 12V, VOUT = 3.3V

LOAD TRANSIENT

MAX15020 toc15

200

μs/div

50mV/div

AC-COUPLED

1.2A

0.2A

VOUT

IOUT

VIN = 12V, VOUT = 3.3V

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