MAX8855 datasheet(5/20 Pages) MAXIM

Part #	MAX8855

Description	Dual, 5A, 2MHz Step-Down Regulator

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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Dual, 5A, 2MHz Step-Down Regulator

_______________________________________________________________________________________

5

SWITCHING FREQUENCY

vs. TEMPERATURE

AMBIENT TEMPERATURE (

°C)

35

920

940

960

980

1000

1020

1040

1060

1080

1100

900

-40

-15

10

60

85

FEEDBACK VOLTAGE

vs. TEMPERATURE

AMBIENT TEMPERATURE (

°C)

35

592

594

596

598

600

602

604

606

608

610

590

-40

-15

10

60

85

SHUTDOWN SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.10

1

2

3

4

5

6

7

8

9

10

0

2.35

2.60

2.85

3.35

3.60

IIN1 + IIN2 + IVDL + IVDD

LOAD TRANSIENT

MAX8855 toc07

20

µs/div

IOUT

VOUT

1A/div

100mV/div

1.8V OUTPUT

3.0A

1.5A

SWITCHING WAVEFORMS

MAX8855 toc08

400ns/div

IL2

IL1

VLX2

VLX1

2V/div

2A/div

SOFT-START AND SHUTDOWN

MAX8855 toc09

400

µs/div

3A LOAD

IIN

VOUT2

VPWRGD

VEN2

5V/div

2V/div

1V/div

1A/div

Typical Operating Characteristics (continued)

(VIN1 = VIN2 = 3.3V. MAX8855, circuit of Figure 6, TA = +25°C, unless otherwise noted.)

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MAX8855 Datasheet(PDF) 5 Page - Maxim Integrated Products

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