MAX649 データシートの表示（PDF） - Maxim Integrated

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MAX649

5V/3.3V/3V or Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Controllers

Maxim Integrated 

5V/3.3V/3V or Adjustable, High-Efficiency,

Low IQ, Step-Down DC-DC Controllers

MAX649

MAX651

SHDN

MAX652

REF

V+

ERROR

COMPARATOR

FB

DUAL-MODE™

COMPARATOR

OUT

MINIMUM

Q OFF-TIME TRIG

ONE-SHOT

1.5V

REFERENCE

N

FROM V+

EXT

S

Q

MAXIMUM

TRIG ON-TIME Q

ONE-SHOT

R

CURRENT

CS

COMPARATOR

CURRENT

CONTROL CIRCUITS

Figure 2. Block Diagram

0.2V

(FULL CURRENT)

GND

0.1V

(HALF CURRENT)

FROM V+

8 _______________________________________________________________________________________

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