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MAX1968EUI датащи(PDF) 3 Page - Maxim Integrated Products

номер детали MAX1968EUI
подробное описание детали  Power Drivers for Peltier TEC Modules
PDF  16 Pages
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производитель  MAXIM [Maxim Integrated Products]
домашняя страница  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1968EUI датащи(HTML) 3 Page - Maxim Integrated Products

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Power Drivers for Peltier TEC Modules
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD1 = PVDD2 = SHDN = 5V, PGND1 = PGND2 = FREQ = GND, CTLI = MAXV = MAXIP = MAXIN = REF, CREF = 1µF,
CCOMP = 0.01µF, LLX_ = 3.3µH, CCS = COS2 = 1µF, ITEC < 3ARMS (MAX1968), ITEC < 6ARMS (MAX1969), TA = 0°C to +85°C, unless
otherwise noted. Typical values are at TA = +25
°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VLX = 0, TA = +25°C
0.02
10
VLX = 0, TA = +85°C1
PFET Leakage
ILEAK(P)
µA
VDD = 5V
32
100
No Load Supply
Current
IDD
(NO LOAD)
VDD = 3.3V
20
30
mA
Shutdown Supply
Current
IDD-SD
VDD = 5V (Note 2)
2
3
mA
Thermal Shutdown
TSHUTDOWN Hysteresis = 15°C
+165
°C
VDD rising
2.4
2.6
2.8
UVLO Threshold
VUVLO
VDD falling
2.25
2.5
2.75
V
Switching Frequency
Internal Oscillator
fSW-INT
FREQ = GND
400
550
650
kHz
OS1, OS2, CS Input
Current
IOS1,
IOS2, ICS
0 or VDD
-100
+100
µA
SHDN, FREQ Input
Current
ISHDN,
IFREQ
0 or VDD
-5
+5
µA
SHDN, FREQ Input
Low Voltage
VIL
VDD = 3V to 5.5V
VDD x
0.25
V
SHDN, FREQ Input
High Voltage
VIH
VDD = 3V to 5.5V
VDD x
0.75
V
VMAXV = VREF x 0.67, VOS1 to VOS2 =
±4V, VDD = 5V
-2
+2
%
MAXV Threshold
Accuracy
VMAXV = VREF x 0.33, VOS1 to VOS2 =
±2V, VDD = 3V
-2
+2
%
MAXV, MAXIP, MAXIN
Input Bias Current
IMAXV-BIAS,
IMAXI_-BIAS
VMAXV = VMAXI_ = 0.1V or 1.5V
-0.1
+0.1
µA
CTLI Gain Accuracy
ACTLI
VCTLI = 0.5V to 2.5V (Note 3)
9.5
10
10.5
V/V
CTLI Input Resistance
RCTLI
1M
Ω terminated at REF
0.5
1.0
2.0
M
Ω
Error-Amp
Transconductance
gm
50
100
175
µA/V
ITEC Accuracy
VOS1 to VCS = +100mV or -100mV
-10
+10
%
ITEC Load Regulation
∆VITEC
VOS1 to VCS = +100mV or -100mV,
IITEC =
±10µA
-0.1
+0.1
%



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