MAX8545EUB datasheet(10/18 Pages) MAXIM

Part #	MAX8545EUB

Description	Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit

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Manufacturer	MAXIM [Maxim Integrated Products]

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10 / 18 page

Low-Cost, Wide Input Range, Step-Down

Controllers with Foldback Current Limit

10

______________________________________________________________________________________

MAX8545*

MAX8546

MAX8548*

BST

VCC

COMP/

EN

VL

VIN

DH

LX

DL

GND

FB

+2.7V TO

+5.5V INPUT

OUT

1.8V/3A OR 6A

D2

R2

C10

C11

C1

C5

D1

Q1

L1

R4

R3

C6

C3

C2

C4

C7

C8

*FOLLOW THE DATA SHEET DESIGN PROCEDURE TO SELECT THE

EXTERNAL COMPONENTS FOR THE MAX8545/MAX8548.

R1

C9

Figure 1. Typical Application Circuit (2.7V to 5V) Input (see Tables 1a, 1b)

MAX8545*

MAX8546

MAX8548*

BST

VIN

COMP/

EN

VL

VCC

DH

LX

DL

GND

FB

+10V TO

+24V INPUT

OUT

2.5V/3A OR 6A

D2

R2

C10

C11

C1

C12

C9

C5

D1

Q1

R1

L1

R4

R3

C6

C3

C2

C4

C7

C8

*FOLLOW THE DATA SHEET DESIGN PROCEDURE TO SELECT THE

EXTERNAL COMPONENTS FOR THE MAX8545/MAX8548.

Figure 2. Typical Application Circuit (10V to 24V) Input (see Tables 2a, 2b)

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Maxim Integrated Produc...	MAX8545EUB++	305Kb / 18P	Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit Rev 2; 6/07

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