MAX1978 Maxim, MAX1978 Datasheet - Page 11

• Manufacturer Part Number: MAX1978
• Description: Integrated Temperature Controllers for Peltier Modules
• Manufacturer: Maxim

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