Datasheet

MCP1650/51/52/53
DS21876B-page 4  2004-2013 Microchip Technology Inc.
Timing Diagram
Typical Application Circuits
Latch Truth Table
SRQ
00Qn
011
100
111
Osc
S
R
Q
DR
EXT
MCP1650/1/2/3 Timing Diagram
R
S
Q
Q
FB
CS
SHDN
V
IN
8
2
5
6
4
7
MCP1650
GND
Input
Voltage
3.3V ±10%
C
IN
10 µF
off
on
EXT
Boost
Inductor
3.3 µH
10 µF
Ceramic
90.9 k
V
OUT
= 12V
I
OUT
= 0 to 100 mA
10 k
MOSFET/Schottky
Combination Device
R
SENSE
0.05
3.3V to 12V 100 mA Boost Converter
1
3
NC
NC
C
OUT