MAX649 Maxim, MAX649 Datasheet - Page 8
MAX649
Manufacturer Part Number
MAX649
Description
5V/3.3V/3V or Adjustable / High-Efficiency /
Manufacturer
Maxim
Datasheet
1.MAX649.pdf
(16 pages)
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5V/3.3V/3V or Adjustable, High-Efficiency,
Low I
Figure 2. Block Diagram
8
_______________________________________________________________________________________
SHDN
REF
Q
, Step-Down DC-DC Controllers
Q
MAX649
MAX651
MAX652
ONE-SHOT
MINIMUM
OFF-TIME
TRIG
CONTROL CIRCUITS
CURRENT
MAXIMUM
ONE-SHOT
ON-TIME
TRIG
Q
COMPARATOR
ERROR
V+
COMPARATOR
REFERENCE
GND
CURRENT
1.5V
S
R
Q
FB
(FULL CURRENT)
0.2V
DUAL-MODE™
COMPARATOR
FROM V+
N
0.1V
(HALF CURRENT)
FROM V+
OUT
EXT
CS
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