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MAX5035AASA/V+ датащи(PDF) 3 Page - Maxim Integrated Products |
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MAX5035AASA/V+ датащи(HTML) 3 Page - Maxim Integrated Products |
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3 / 17 page ![]() 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (MAX5035_U_ _) (VIN = +12V, VON/OFF = +12V, IOUT = 0, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C. See the Typical Application Circuit.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS PFM Threshold IPFM Minimum switch current in any cycle 55 85 130 mA FB Input Bias Current IB MAX5035D -150 +0.01 +150 nA ON/OFF CONTROL INPUT ON/OFF Input-Voltage Threshold VON/OFF Rising trip point 1.53 1.69 1.85 V ON/OFF Input-Voltage Hysteresis VHYST 100 mV ON/OFF Input Current ION/OFF VON/OFF = 0V to VIN 10 150 nA OSCILLATOR Oscillator Frequency fOSC 109 125 135 kHz Maximum Duty Cycle DMAX MAX5035D 95 % VOLTAGE REGULATOR Regulator Output Voltage VD VIN = 8.5V to 76V, IL = 0 6.9 7.8 8.8 V Dropout Voltage 7.5V ≤ VIN ≤ 8.5V, IL = 1mA 2.0 V Load Regulation ΔVD/ΔIVD 0 to 5mA 150 Ω PACKAGE THERMAL CHARACTERISTICS SO package (JEDEC 51) 170 Thermal Resistance (Junction to Ambient) θJA DIP package (JEDEC 51) 110 °C/W THERMAL SHUTDOWN Thermal-Shutdown Junction Temperature TSH +160 °C Thermal-Shutdown Hysteresis THYST 20 °C ELECTRICAL CHARACTERISTICS (MAX5035_A_ _) (VIN = +12V, VON/OFF = +12V, IOUT = 0, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C. See the Typical Application Circuit.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS MAX5035A 7.5 76.0 MAX5035B 7.5 76.0 MAX5035C 15 76 Input Voltage Range VIN MAX5035D 7.5 76.0 V Undervoltage Lockout UVLO 5.2 V MAX5035A VIN = 7.5V to 76V, IOUT = 20mA to 1A 3.185 3.3 3.415 MAX5035B VIN = 7.5V to 76V, IOUT = 20mA to 1A 4.825 5.0 5.175 Output Voltage VOUT MAX5035C VIN = 15V to 76V, IOUT = 20mA to 1A 11.58 12 12.42 V Feedback Voltage VFB VIN = 7.5V to 76V, MAX5035D 1.192 1.221 1.250 V |
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