UTC79D09

UTC 79DXX LINEAR INTEGRATED CIRCUIT 3 TERMINAL 0.5A NEGATIVE VOLTAGE REGULATOR DESCRIPTION The UTC 79DXX series of three-terminal negative regulators are available in TO-252 and TO-251 packages and with several fixed output voltage, making them useful in a wide range of application. Each type employs internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. 1 TO-252 FEATURES *Output current up to 0.5A *-5V; -6V;-8V;-12V;-15V;-18V;-24V output voltage available *Thermal overload protection *Short circuit protection 1 TO-251 1: GND 2: Input 3: Output BLOCK DIAGRAM GND R1 R2 OUTPUT Voltage reference Protection circuitry RSC INPUT UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R101-012,D UTC 79DXX PARAMETER Input voltage (for Vo=–5 ~ –18V) (for Vo=–20 ~–24V) LINEAR INTEGRATED CIRCUIT SYMBOL Vi R θ JA R θ JC Topr Tstg ABSOLUTE MAXIMUM RATINGS (Ta=25°C) VALUE -35 -40 65 5 0 ~ +125 -65 ~ +150 UNIT V °C /W °C /W °C °C Thermal resistance junction-air Thermal resistance junction-cases Operating Temperature Storage Temperature UTC 79D05 ELECTRICAL CHARACTERISTICS (Refer to test circuits, 0