MAX1969EUI-T Maxim Integrated Products, MAX1969EUI-T Datasheet - Page 14

• Manufacturer Part Number: MAX1969EUI-T
• Description: Other Power Management
• Manufacturer: Maxim Integrated Products

Specifications of MAX1969EUI-T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Power Drivers for Peltier TEC Modules
Figure 2. Typical Application Circuit for MAX1969. MAXIN sets the maximum TEC current. Circuit configured for cooling with NTC
thermistor. Current always flows from CS to OS2.
14
100kΩ
______________________________________________________________________________________
3V TO
5.5V
100kΩ
*SEE FIGURE 1 FOR TEMPERATURE
SET POINT SET BY A POTENTIOMETER
100kΩ
50kΩ
1μF
1μF
1μF
1μF
MAX4475
0.1μF
V
FREQ
PV
PGND1
PV
PGND2
REF
MAXIP
MAXIN
MAXV
DD
DD
DD
1
2
10μF
V
CTLI
DD
U2
0.022μF
240kΩ
MAX1969
INPUTS
DAC
GND
COMP
SHDN
ITEC
MAX5144
1 μF
OS1
OS2
V
LX1
LX2
DD
DAC
CS
510kΩ
10kΩ
10μF
TEMPERATURE
SET POINT*
ON
OFF
to REF
2.5μH
0.01μF
25mΩ
0.1μF
R
THERM
4.7μF
100kΩ
U3B
V
DD
U3A
MAX4477
MAX4477
NTC
THERMISTOR
TO REF
10kΩ
10kΩ