MAX15014BATX+ datasheet(8/26 Pages) MAXIM

Part #	MAX15014BATX+

Description	1A, 4.5V to 40V Input Buck Converters with 50mA Auxiliary LDO Regulators

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Manufacturer	MAXIM [Maxim Integrated Products]

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1A, 4.5V to 40V Input Buck Converters with

50mA Auxiliary LDO Regulators

8

_______________________________________________________________________________________

10ms/div

TURN-ON/-OFF WAVEFORM

INCREASING VIN

VIN

5V/div

VOUT

2V/div

MAX15014 toc10

ILOAD = 1A

0V

10ms/div

TURN-ON/-OFF WAVEFORM

INCREASING VIN

VIN

5V/div

VOUT

2V/div

MAX15014 toc11

ILOAD = 100mA

0V

OUTPUT VOLTAGE vs. TEMPERATURE

TEMPERATURE (°C)

-40

-15

10

35

60

85

110

135

3.20

3.22

3.24

3.26

3.28

3.30

3.32

3.34

3.36

3.38

3.40

ILOAD = 1A

ILOAD = 0A

EFFICIENCY vs. LOAD CURRENT

LOAD CURRENT (mA)

0

10

20

30

40

50

60

70

80

90

100

1

10

100

1000

VOUT = 3.3V

VIN = 4.5V

VIN = 7.5V

VIN = 12V

VIN = 24V

VIN = 40V

MAX15016A

ILDO_OUT = 0A

EFFICIENCY vs. LOAD CURRENT

(MAX15014)

LOAD CURRENT (mA)

0

10

20

30

40

50

60

70

80

90

100

1

10

100

1000

VOUT = 5V

VIN = 24V

VIN = 40V

VIN = 12V

VIN = 7.5V

EFFICIENCY vs. LOAD CURRENT

(MAX15017A)

LOAD CURRENT (mA)

0

10

20

30

40

50

60

70

80

90

100

1

10

100

1000

VOUT = 5V

VIN = 24V

VIN = 40V

VIN = 12V

VIN = 7.5V

Typical Operating Characteristics (continued)

(VIN_SW = VIN_LDO = VDRAIN =14V, VEN_SYS = VEN_SW = 2.4V, VREG = VDVREG, VSYNC = VSET_LDO = VSGND = VPGND = 0V, CREG =

1µF, CIN_SW = 0.1µF, CIN_LDO = 0.1µF, CLDO_OUT = 10µF, CDRAIN = 0.22µF, see Figures 6 and 7, TA = +25°C, unless otherwise noted.)

0

30

20

10

40

50

60

70

80

90

100

110

100

1000

EFFICIENCY vs. LOAD CURRENT

(MAX15015A)

LOAD CURRENT (mA)

VOUT = 3.3V

VIN = 7.5V

VIN = 4.5V

VIN = 12V

VIN = 24V

VIN = 40V

200µs/div

LOAD-TRANSIENT RESPONSE

VOUT

AC-COUPLED

100mV/div

ILOAD

500mA/div

MAX15014 toc17

VIN = 12V, IOUT = 0.25A TO 1A

MAX15015A

0

200µs/div

LOAD-TRANSIENT RESPONSE

VOUT

AC-COUPLED

100mV/div

ILOAD

500mA/div

0

MAX15014 toc18

VIN = 4.5V, IOUT = 0.25A TO 1A

MAX15015A

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MAX15014BATX+ Datasheet(PDF) 8 Page - Maxim Integrated Products

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