MAX1624EAG datasheet(7/24 Pages) MAXIM

Part #	MAX1624EAG

Description	High-Speed Step-Down Controllers with Synchronous Rectification for CPU Power

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Manufacturer	MAXIM [Maxim Integrated Products]

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High-Speed Step-Down Controllers with

Synchronous Rectification for CPU Power

_______________________________________________________________________________________

7

____________________________Typical Operating Characteristics (continued)

(TA = +25°C, using the MAX1624 evaluation kit, unless otherwise noted.)

1.1020

1.1000

0.1

1

0.01

10

MAX1624

OUTPUT VOLTAGE vs. OUTPUT CURRENT

(VOUT = 1.1V)

1.1002

1.1006

1.1004

OUTPUT CURRENT (A)

1.1008

1.1010

1.1014

1.1012

1.1016

1.1018

LG = VCC

LG = REF

LG = AGND

R9 AND R10 = 4.7

Ω

2.500

2.490

0.1

1

0.01

10

MAX1624

OUTPUT VOLTAGE vs. OUTPUT CURRENT

(VOUT = 2.5V)

2.491

2.492

OUTPUT CURRENT (A)

2.493

2.494

2.496

2.495

2.497

2.498

2.499

LG = VCC

LG = REF

LG = AGND

R9 AND R10 = 4.7

Ω

3.500

3.480

0.1

1

0.01

10

MAX1624

OUTPUT VOLTAGE vs. OUTPUT CURRENT

(VOUT = 3.5V)

3.482

3.486

3.484

OUTPUT CURRENT (A)

3.488

3.494

3.490

3.492

3.496

3.498

LG = VCC

LG = REF

LG = AGND

R9 AND R10 = 4.7

Ω

5.094

1.094

0.001

0.1

1

0.01

10

REFERENCE VOLTAGE

vs. OUTPUT CURRENT

1.594

2.094

OUTPUT CURRENT (mA)

2.594

3.594

3.094

4.094

4.594

SOURCING

CURRENT

SINKING

CURRENT

50

55

0

MAXIMUM DUTY CYCLE

vs. SWITCHING FREQUENCY

65

60

70

SWITCHING FREQUENCY (kHz)

85

95

90

75

80

200

800

1000

1200

100

600

400

10

-10

1.7

2.3

2.9

1.1

3.5

MAX1624

OUTPUT ERROR vs.

DAC OUTPUT VOLTAGE SETTING

-8

-4

-6

DAC OUTPUT VOLTAGE SETTING (V)

-2

4

0

2

6

8

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MAX1624EAG Datasheet(PDF) 7 Page - Maxim Integrated Products

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