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MAX1969EUI Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX1969EUI
Description  Power Drivers for Peltier TEC Modules
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1969EUI Datasheet(HTML) 4 Page - Maxim Integrated Products

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Power Drivers for Peltier TEC Modules
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
(VDD = PVDD1 = PVDD2 = SHDN = 5V, PGND1 = PGND2 = FREQ = GND, CTLI = MAXV = MAXIP = MAXIN = REF, CREF = 1µF,
CCOMP = 0.1µF, LLX_ = 3.3µH, CCS = COS2 = 1µF, ITEC < 3ARMS (MAX1968), ITEC < 6ARMS (MAX1969), TA = -40°C to +85°C, unless
otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Supply Range
VDD
3.0
5.5
V
VDD = 5V, ITEC = 0 to
±3A,
VOUT = VOS1 - VOS2 (MAX1968)
-4.3
+4.3
VDD = 5V, ITEC = 0 to 6A,
VOUT = VOS1 (MAX1969)
4.3
VDD = 3V, ITEC = 0 to
±3A,
VOUT = VOS1 - VOS2 (MAX1968)
-2.3
+2.3
Output Voltage Range
VOUT
VDD = 3V, ITEC = 0 to 6A,
VOUT = VOS1 (MAX1969)
2.3
V
MAX1968
±3
Maximum TEC
Current
ITEC(MAX)
MAX1969
6
A
Reference Voltage
VREF
VDD = 3V to 5.5V, IREF = 150µA
1.475
1.515
V
Reference Load
Regulation
∆VREF
VDD = 3V to 5.5V, IREF = +10µA to -1mA
5
mV
VMAXI_ = VREF
135
165
VOS1 < VCS
VMAXI_ = VREF / 3
35
65
VMAXI_ = VREF
135
165
Current-Sense
Threshold Accuracy
VOS1 > VCS
VMAXI_ = VREF / 3
35
65
mV
Switch-Fault Reset
Voltage
50
250
mV
VDD = 5V, I = 0.5A
0.07
NFET On-Resistance
RDS(ON-N)
VDD = 3V, I = 0.5A
0.08
VDD = 5V, I = 0.5A
0.07
PFET On-Resistance
RDS(ON-P)
VDD = 3V, I = 0.5A
0.12
VLX = VDD = 5V, TA = +25
°C10
NFET Leakage
ILEAK(N)
VLX = VDD = 5V, TA = -40
°C10
µA
VLX = 0, TA = +25
°C10
PFET Leakage
ILEAK(P)
VLX = 0, TA = -40
°C10
µA
VDD = 5V
100
No Load Supply
Current
IDD(NO
LOAD)
VDD = 3.3V
30
mA
Shutdown Supply
Current
IDD-SD
SHDN = GND, VDD = 5V (Note 2)
3
mA
VDD rising
2.4
2.8
UVLO Threshold
VUVLO
VDD falling
2.25
2.75
V
Switching-Frequency
Internal Oscillator
fSW-INT
FREQ = GND
400
650
kHz


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