MAX1968(2002) データシートの表示（PDF） - Maxim Integrated
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MAX1968 Datasheet PDF : 16 Pages
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Power Drivers for Peltier TEC Modules
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 = -40°C to +85°C,
unless otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
OS1, OS2, CS Input
Current
SHDN, FREQ Input
Current
SHDN, FREQ Input
Low Voltage
IOS1,
IOS2, ICS
ISHDN,
IFREQ
0 or VDD
0 or VDD
VIL
VDD = 3V to 5.5V
SHDN, FREQ Input
High Voltage
VIH
VDD = 3V to 5.5V
MAXV Threshold
Accuracy
VMAXV = VREF x 0.67, VOS1 to VOS2 =
±4V, VDD = 5V
VMAXV = VREF x 0.33, VOS1 to VOS2 =
±2V, VDD = 3V
MAXV, MAXIP, MAXIN
Input Bias Current
CTLI Gain Accuracy
CTLI Input Resistance
Error-Amp
Transconductance
IMAXV-BIAS,
IMAXI_-BIAS
ACTLI
RCTLI
gm
VMAXV = VMAXI_ = 0.1V or 1.5V
VCTLI = 0.5V to 2.5V (Note 3)
1MΩ terminated at REF
ITEC Accuracy
VOS1 to VCS = +100mV or -100mV
Note 2: Includes power FET leakage.
MIN
-100
-5
VDD x
0.75
TYP
MAX
+100
+5
VDD x
0.25
UNITS
µA
µA
V
-2
+2
%
-0.1
+0.1
µA
9.5
10.5
V/V
0.5
2.0
MΩ
50
175
µA/V
-10
+10
%
Note 3: CTLI Gain is defined as:
ACTLI
=
(VCTLI
VOS1
−
−
VREF )
VCS
Note 4: Specifications to -40°C are guaranteed by design, not production tested.
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