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Número de pieza
componentes Descripción
SP6642 Ver la hoja de datos (PDF) - Signal Processing Technologies
Número de pieza
componentes Descripción
Fabricante
SP6642
Single Alkaline Cell, High Efficiency Step-Up DC-DC Converter
Signal Processing Technologies
SP6642 Datasheet PDF : 16 Pages
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V
BATT
FB
V
REF
TIMING
T-ON
T-OFF
EN
LOGIC
DRV-P
P
DRV-N
V
OUT
SHDN
V
REF
V
REF
0.5V
REF
V
OUT
1.9V
0.5V
REF
PFI
START
UP
OSC
N
LX
N
PFO
SP6642
Figure 20. Internal Block Diagram of the SP6642
0.85V to
1.65V Input
22
µ
F
0.1
µ
F
100
µ
H
350mA
V
BATT
LX
PFI
OUT
SP6642
0.1
µ
F
22
µ
F
+3.3V
OUT
SHDN
GND
FB
PFO
Figure 21. SP6642 +3.3V Typical Application Circuit
Rev. 10-6-00
SP6642/6643 High Efficiency Step-Up DC-DC Converter
11
© Copyright 2000 Sipex Corporation
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