MAX5088ATE+ datasheet(5/24 Pages) MAXIM

Part #	MAX5088ATE+

Description	2.2MHz, 2A Buck Converters with an Integrated High-Side Switch

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Manufacturer	MAXIM [Maxim Integrated Products]

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2.2MHz, 2A Buck Converters with an

Integrated High-Side Switch

_______________________________________________________________________________________

5

MAX5088 BUCK EFFICIENCY vs. OUTPUT

CURRENT (VIN = 5V, fSW = 2.2MHz)

OUTPUT CURRENT (mA)

2000

1500

1000

500

10

20

30

40

50

60

70

80

90

0

2500

3.3V

2.5V

MAX5088 BUCK EFFICIENCY vs. OUTPUT

CURRENT (VIN = 12V, fSW = 2.2MHz)

OUTPUT CURRENT (mA)

2000

1500

500

1000

10

20

30

40

60

50

70

80

0

2500

3.3V

2.5V

MAX5088 BUCK EFFICIENCY vs. OUTPUT

CURRENT (VIN = 16V, fSW = 2.2MHz)

OUTPUT CURRENT (mA)

2000

1500

1000

500

10

20

30

40

50

60

70

0

2500

3.3V

MAX5089 SYNCHRONOUS

EFFICIENCY vs. OUTPUT CURRENT

(VIN = 12V, fSW = 330kHz, L = 15

µH)

OUTPUT CURRENT (mA)

2000

1500

1000

500

55

60

65

70

75

80

85

90

95

50

0

2500

3.3V

2.5V

1.2V

MAX5089 SYNCHRONOUS EFFICIENCY vs. OUTPUT

CURRENT (VIN = 12V, fSW = 2.2MHz, L = 4.7

µH)

OUTPUT CURRENT (mA)

2000

1500

1000

500

35

40

45

50

55

60

65

70

75

80

30

0

2500

3.3V

MAX5089 OUTPUT VOLTAGE vs. OUTPUT

CURRENT (VIN = 12V, VOUT = 3.3V, fSW = 2.2MHz)

OUTPUT CURRENT (mA)

2000

1500

1000

500

3.285

3.290

3.295

3.300

3.305

3.310

3.315

3.280

0

VL OUTPUT VOLTAGE

vs. SWITCHING FREQUENCY

SWITCHING FREQUENCY (kHz)

2100

1600

600

1100

5.155

5.160

5.165

5.170

5.180

5.175

5.185

5.190

5.150

100

VIN = 23V

VIN = 5.5V

Typical Operating Characteristics

(V+ = VL = 5.2V, TA = +25°C, Figures 5 and 6, unless otherwise noted.)

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