Datenblatt-Suchmaschine für elektronische Bauteile |
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SM74503 Datenblatt(PDF) 4 Page - Texas Instruments |
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SM74503 Datenblatt(HTML) 4 Page - Texas Instruments |
4 / 14 page SM74503 SNVS722A – NOVEMBER 2011 – REVISED APRIL 2013 www.ti.com SM74503 Electrical Characteristics (continued) Typicals and limits appearing in normal type apply for TJ = 25°C. Limits appearing in Boldface type apply over the entire junction temperature range for operation, −40°C to 125°C. Min Typ Max Symbol Parameter Conditions Units (1) (2) (1) VIN-V OUT Dropout Voltage (4) IOUT = 100mA 1.10 1.30 V IOUT = 500mA 1.15 1.35 V IOUT = 800mA 1.20 1.40 V ILIMIT Current Limit VIN-VOUT = 5V, TJ = 25°C 800 1200 1500 mA Quiescent Current SM74503-3.3 VIN ≤ 15V 5 15 mA SM74503-5.0 VIN ≤ 15V 5 15 mA Thermal Regulation TA = 25°C, 30ms Pulse 0.01 0.1 %/W Ripple Regulation fRIPPLE =1 20Hz, VIN-VOUT = 3V VRIPPLE = 60 75 dB 1VPP Temperature Stability 0.5 % Long Term Stability TA = 125°C, 1000Hrs 0.3 % RMS Output Noise (% of VOUT), 10Hz ≤ f ≤10kHz 0.003 % Thermal Resistance 4-Lead SOT-223 15.0 °C/W Junction-to-Case 3-Lead PFM 10 °C/W Thermal Resistance 4-Lead SOT-223 (No heat sink) 136 °C/W Junction-to-Ambient 3-Lead PFM (No heat sink)(5) 92 °C/W No air flow) (4) The dropout voltage is the input/output differential at which the circuit ceases to regulate against further reduction in input voltage. It is measured when the output voltage has dropped 100mV from the nominal value obtained at VIN = VOUT +1.5V. (5) Minimum pad size of 0.038in2 4 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: SM74503 |
Ähnliche Teilenummer - SM74503_15 |
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Ähnliche Beschreibung - SM74503_15 |
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