PDF 78M08 Data sheet ( Hoja de datos )

Número de pieza	78M08
Descripción	(78Mxx) 3-Terminal 0.5A Positive Voltage Regulator
Fabricantes	Unisonic Technologies
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No Preview Available ! ( DataSheet : www.DataSheet4U.com ) UTC78MXX LINEAR INTEGRATED CIRCUIT 3-TERMINAL 0.5A POSITIVE VOLTAGE REGULATOR DESCRIPTION The UTC 78MXX family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 0.5 A. FEATURES Output current up to 0.5 A Fixed output voltage of 5V, 6V, 8V, 9V, 12V, 15V ,18V and 24V available Thermal overload shutdown protection Short circuit current limiting Output transistor SOA protection TEST CIRCUIT 11 TO-92 TO-126 1 TO-126C 1 TO-220 TO-92 1: Output 2:GND 3: Input TO-126/TO220 1:Input 2:GND 3:Output Pb-free plating product number: 78MXXL INPUT 1 CURRENT GENERATOR SERIES PASS ELEMENT SOA PROTECTION OUTPUT 3 R20 STARTING CIRCUIT REFERENCE VOLTAGE ERROR AMPLIFIER THERMAL PROTECTION R19 GND 2 UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R101-004,E www.DataSheet4U.com www.DataSheet4U.com 1 page UTC78MXX LINEAR INTEGRATED CIRCUIT UTC78M18 ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tmin<=Tj<=125°C,Io=350mA,Vi=26V,unless otherwise specified,Ci=0.33uF,Co=0.1uF) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage Tj=25°C Vo Vi =20.5V to 33V 17.28 18.0 18.72 17.10 18.90 V V Io=5mA-350mA Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage ∆Vo Tj=25°C,Io=5mA-0.5A Tj=25°C,Io=5mA-200mA ∆Vo Vi =21V to 33V Tj=25°C, Io =200mA Vi =24V to 33V, Tj=25°C, Io =200mA Iq Tj=25°C ∆Iq Vi =21V to 33V, Io =200mA ∆Iq Io=5mA-350mA VN 10HzM<=f<=100KHz 360 180 100 50 4.2 6 0.8 0.5 100 mV mV mV mV mA mA mA uV Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage RR Vi =22V to 32V,f=120Hz Io =300mA IPK Tj=25°C ISC Vi=35V, Tj=25°C Vd Tj=25°C 53 700 300 2.0 dB mA mA V UTC78M24 ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tmin<=Tj<=125°C,Io=350mA,Vi=33V,unless otherwise specified,Ci=0.33uF,Co=0.1uF) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage Tj=25°C Vo Vi =27V to 38V 23.04 24.0 24.96 22.80 25.20 V V Io=5mA-350mA Load Regulation ∆Vo Tj=25°C,Io=5mA-0.5A 480 mV Tj=25°C,Io=5mA-200mA 240 mV Line regulation ∆Vo Vi =27V to 38V 100 mV Tj=25°C,Io=200mA Vi =28V to 38V 50 mV Tj=25°C,Io=200mA Quiescent Current Iq Tj=25°C, 4.2 6.0 mA Quiescent Current Change ∆Iq Vi =27V to 38V,Io=200mA 0.8 mA ∆Iq Io=5mA-350mA 0.5 mA Output Noise Voltage VN 10Hz<=f<=100KHz 170 uV Ripple Rejection RR Vi =28V to 38V,f=120Hz 50 dB Io=300mA Peak Output Current IPK Tj=25°C 700 mA Short-Circuit Current ISC Vi=35V, Tj=25°C 300 mA Dropout Voltage Vd Tj=25°C 2.0 V Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length of the package and copper pattern of PCB. The data above represents pulse test conditions with junction temperatures specified at the initiation of test. Note 2: Power dissipation<0.5W UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R101-004,E 5 Page

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