MAX796_05 datasheet(6/32 Pages) MAXIM | Step-Down Controllers with Synchronous Rectifier for CPU Power

6 page

__________________________________________Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)

100

0.001

0.1

0.01

EFFICIENCY

vs. LOAD CURRENT, 5V/3A CIRCUIT

LOAD CURRENT (A)

STANDARD MAX797 5V/3A

CIRCUIT, FIGURE 1

f = 300kHz

VIN = 6V

VIN = 30V

100

0.001

0.1

0.01

EFFICIENCY

vs. LOAD CURRENT, 3.3V/3A CIRCUIT

LOAD CURRENT (A)

STANDARD MAX797 3.3V/3A

CIRCUIT, FIGURE 1

f = 300kHz

VIN = 12V

VIN = 30V

VIN = 5V

100

0.1

EFFICIENCY

vs. LOAD CURRENT, 3.3V/10A CIRCUIT

LOAD CURRENT (A)

SKIP = LOW

SKIP = HIGH

STANDARD MAX797 3.3V/10A

CIRCUIT, FIGURE 1

f = 300kHz

VIN = 5V

Step-Down Controllers with

Synchronous Rectifier for CPU Power

_______________________________________________________________________________________

MAX799

SHDN

–5V

OUTPUT

+5V

OUTPUT

INPUT 6V TO 30V

BST

PGND

CSH

CSL

REF

FROM

REF

SYNC

GND

V+

SECFB

_____________________________________Typical Operating Circuits (continued)

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