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
(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
Input Supply Range
Output Voltage Range
Maximum TEC
Current
Reference Voltage
Reference Load
Regulation
Current-Sense
Threshold Accuracy
Switch-Fault Reset
Voltage
NFET On-Resistance
PFET On-Resistance
NFET Leakage
PFET Leakage
No Load Supply
Current
Shutdown Supply
Current
UVLO Threshold
Switching-Frequency
Internal Oscillator
SYMBOL
VDD
VOUT
ITEC(MAX)
VREF
CONDITIONS
VDD = 5V, ITEC = 0 to ±3A,
VOUT = VOS1 - VOS2 (MAX1968)
VDD = 5V, ITEC = 0 to 6A,
VOUT = VOS1 (MAX1969)
VDD = 3V, ITEC = 0 to ±3A,
VOUT = VOS1 - VOS2 (MAX1968)
VDD = 3V, ITEC = 0 to 6A,
VOUT = VOS1 (MAX1969)
MAX1968
MAX1969
VDD = 3V to 5.5V, IREF = 150µA
∆VREF VDD = 3V to 5.5V, IREF = +10µA to -1mA
VOS1 < VCS
VOS1 > VCS
VMAXI_ = VREF
VMAXI_ = VREF / 3
VMAXI_ = VREF
VMAXI_ = VREF / 3
RDS(ON-N)
RDS(ON-P)
ILEAK(N)
ILEAK(P)
IDD(NO
LOAD)
VDD = 5V, I = 0.5A
VDD = 3V, I = 0.5A
VDD = 5V, I = 0.5A
VDD = 3V, I = 0.5A
VLX = VDD = 5V, TA = +25°C
VLX = VDD = 5V, TA = -40°C
VLX = 0, TA = +25°C
VLX = 0, TA = -40°C
VDD = 5V
VDD = 3.3V
IDD-SD SHDN = GND, VDD = 5V (Note 2)
VUVLO
VDD rising
VDD falling
fSW-INT FREQ = GND
MIN
3.0
-4.3
-2.3
1.475
135
35
135
35
50
2.4
2.25
400
TYP
MAX
UNITS
5.5
V
+4.3
4.3
V
+2.3
2.3
±3
A
6
1.515
V
5
mV
165
65
mV
165
65
250
mV
0.07
Ω
0.08
0.07
Ω
0.12
10
µA
10
10
µA
10
100
mA
30
3
mA
2.8
V
2.75
650
kHz
4 _______________________________________________________________________________________
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