MAX856 Maxim, MAX856 Datasheet - Page 7
MAX856
Manufacturer Part Number
MAX856
Description
3.3V/5V or Adjustable-Output / Step-Up DC-DC Converters
Manufacturer
Maxim
Datasheet
1.MAX856.pdf
(12 pages)
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Figure 1. Block Diagram
SHDN
3/5*
LBO
LBI
*MAX856/MAX858 ONLY
**MAX857/MAX859 ONLY
MAXIMUM
ONE-SHOT
ON-TIME
_______________________________________________________________________________________
TRIG
ONE-SHOT
MINIMUM
ONE-SHOT
OFF-TIME
MAX856–MAX859
Q
N
Q
S
ONE-SHOT
ERROR COMPARATOR
F/F
LBI COMPARATOR
R
3.3V/5V or Adjustable-Output,
CURRENT-LIMIT
COMPARATOR
TRIG
Q
Step-Up DC-DC Converters
REFERENCE
N
*
*
GND
REF
LX
OUT
FB**
V
IN
**
**
V
OUT
7