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MAX1969EUI Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1969EUI Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 16 page 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 Ω VDD = 5V, I = 0.5A 0.07 PFET On-Resistance RDS(ON-P) VDD = 3V, I = 0.5A 0.12 Ω 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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