MAX1978ETM+ Maxim Integrated Products, MAX1978ETM+ Datasheet - Page 3

• 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

ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted. Typical values at T
PFET Leakage
No-Load Supply Current
Shutdown Supply Current
Thermal Shutdown
UVLO Threshold
Switching Frequency Internal
Oscillator
OS1, OS2, CS Input Current
SHDN, FREQ Input Current
SHDN, FREQ Input Low Voltage
SHDN, FREQ Input High Voltage
MAXV Threshold Accuracy
MAXV, MAXIP, MAXIN
Input Bias Current
CTLI Gain
CTLI Input Resistance
Error Amp Transconductance
ITEC Accuracy
ITEC Load Regulation
Instrumentation Amp Input Bias
Current
Instrumentation Amp Offset
Voltage
Instrumentation Amp Offset-
Voltage Drift with Temperature
Instrumentation Amp Preset
Gain
DD
= PV
PARAMETER
DD
1 = PV
DD
_______________________________________________________________________________________
2 = V
SHDN
= 5V, FREQ = GND, CTLI = FB+ = FB- = MAXV = MAXIP = MAXIN = REF, T
T
I
I
I
MAXV-BIAS
MAXI_-BIAS
SYMBOL
S H U TD OWN
OS1
I
I
V
DIF-BIAS
f
LEAK(P)
I
I
V
I
∆V
SW-INT
DD(NO
LOAD)
I
DD-SD
SHDN
A
R
DIF-OS
FREQ
A
UVLO
I
V
V
g
CTLI
CTLI
CS
, I
ITEC
DIF
IH
IL
m
OS2
A
,
= +25°C.)
,
,
Controllers for Peltier Modules
V
V
V
V
SHDN = GND, V
Hysteresis = 15°C
V
V
FREQ = GND
FREQ=V
0 or V
0 or V
V
V
V
V
V
V
V
V
1MΩ terminated at REF
V
V
I
V
V
R
ITEC
LX
LX
DD
DD
DD
DD
DD
DD
MAXV
OS1
MAXV
OS1
MAXV
CTLI
OS1
OS1
DD
DD
LOAD
= 0, T
= 0, T
= 5V
= 3.3V
= 3V to 5.5V
= 3V to 5.5V
rising
falling
= 3V to 5.5V
= 3V to 5.5V
= ±10µA
DD
DD
to V
to V
to V
to V
= 0.5V to 2.5V (Note 4)
= V
= V
= V
= 10kΩ to REF
DD
OS2
OS2
CS
CS
A
A
REF
REF
MAXI_
= +25°C
= +85°C
= +100mV or -100mV
= +100mV or -100mV,
= ±4V, V
= ±2V, V
✕
✕
CONDITIONS
DD
0.67,
0.33,
= 0.1V or 1.5V
Integrated Temperature
= 5V (Note 3)
DD
DD
= 5V
= 3V
0.75 ×
2.25
-100
-200
MIN
V
450
800
-0.1
-0.1
2.4
9.5
0.5
-10
-10
50
45
-5
-1
-2
DD
1000
TYP
0.02
+20
165
500
100
2.6
2.5
1.0
0.1
30
15
10
50
1
2
0
A
0.25 ×
+100
+200
MAX
1200
+0.1
+0.1
2.75
10.5
V
+10
+10
650
175
= 0°C to +85°C,
2.8
2.0
+5
+1
+2
10
50
30
55
DD
3
UNITS
µV/°C
kHz
MΩ
mA
mA
V/V
V/V
µA
°C
µA
µA
µA
µS
nA
µV
%
%
%
V
V
V
3