MAX1978ETM+ Maxim Integrated Products, MAX1978ETM+ Datasheet - Page 11

• Manufacturer Part Number: MAX1978ETM+
• Description: IC CNTRLR INT TEMP 48TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1978ETM+

• Applications: Thermoelectric Cooler
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFN Exposed Pad
• Output Voltage Range: - 4.3 V to + 4.3 V
• Output Current: 6 A
• Input Voltage Range: 3 V to 5.5 V
• Input Current: 30 mA
• Power Dissipation: 2105 mW
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Ic Output Type: Current
• Sensing Accuracy Range: ± 1%
• Supply Current: 30mA
• Supply Voltage Range: 3V To 5.5V
• Sensor Case Style: QFN
• No. Of Pins: 48
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Temperature Sensing Range: -40°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

______________________________________________________________________________________
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
x 4
AIN-
MAXIP
MAXIN
=
SENSE
SENSE
Controllers for Peltier Modules
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
DD
LX1
DD
LX2
CS
DD
1
2
Functional Diagram
V
DD
R
3V TO 5.5V
SENSE
11