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Número de pieza
componentes Descripción
MAX1978 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX1978
Integrated Temperature Controllers for Peltier Modules
Maxim Integrated
MAX1978 Datasheet PDF : 20 Pages
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Integrated Temperature
Controllers for Peltier Modules
ON
OFF
SHDN
FREQ
REF
1.5V
REFERENCE
Functional Diagram
V
DD
PV
DD
1
3V TO 5.5V
MAXV
MAXIP
MAXIN
MAX V
TEC
=
V
MAXV
x 4
MAX I
TEC
= (V
MAXIP
/
V
REF
) x (0.15V/R
SENSE
)
MAX I
TEC
= (V
MAXIN
/
V
REF
) x (0.15V/R
SENSE
)
LX1
PGND1
CS
ITEC
CTLI
COMP
GND
OT
UT
CS
OS1
REF
MAX1978
REF + 1V
REF - 1V
OS1
OS2
PV
DD
2
LX2
50R
PGND2
R
REF
50R
R
REF
BFB-
BFB+
INTOUT
INT- AIN- AOUT AIN+ DIFOUT FB+
FB-
R
SENSE
V
DD
______________________________________________________________________________________ 11
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