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GM7900TA3TG Datasheet(PDF) 7 Page - Gamma Microelectronics Inc. |
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GM7900TA3TG Datasheet(HTML) 7 Page - Gamma Microelectronics Inc. |
7 / 10 page 7 GM7900 Series 1.5A NEGATIVE VOLTAGE REGULATOR GM7918 Electrical Characteristics (V I = -27V, IO = 500mA unless otherwise noted) Parameter Test Condition Min Typ Max Unit 25°C -17.3 18 -18.7 Output Voltage (note *) IO =5mA to 1A VI = -21V to -33V, P≦15W 0°C to 125°C 17.1 -18 -18.9 V VI = -21V to -33V 5 360 Input Regulation VI = -24V to =30V 25°C 3 180 mV Ripple Rejection VI = -22V to -32V, f = 120KHz 0°C to 125°C 54 60 dB IO = 5mA to 1.5A 30 360 Output Regulation IO = 250mA to 750mA 25°C 10 180 mV Temperature Coefficient of Output Voltage IO = 5mA 0°C to 125°C -1.0 mV/°C Output Noise Voltage f = 10Hz to 100KHz 25°C 450 µV Dropout Voltage IO = 1A 25°C 1.5 V Bias Current 25°C 2 3 mA VI = -21V to -33V 0.04 1 Bias Current Change IO = 5mA to 1A 0°C to 125°C 0.06 0.5 mA Peak Output Current 25°C 2.1 A GM7920 Electrical Characteristics (V I = -31V, IO = 500mA unless otherwise noted) Parameter Test Condition (Note 1) Min Typ Max Unit 25°C -19.2 20 -20.8 Output Voltage (note *) IO =5mA to 1A VI = -23V to -34V, P≦15W 0°C to 125°C -19 -20 -21 V VI = -23V to -34V 5 400 Input Regulation VI = -26V to -31V 25°C 3 200 mV Ripple Rejection VI = -24V to -33V, f = 120KHz 0°C to 125°C 54 60 dB IO = 5mA to 1.5A 50 400 Output Regulation IO = 250mA to 750mA 25°C 15 120 mV Temperature Coefficient of Output Voltage IO = 5mA 0°C to 125°C -1.0 mV/°C Output Noise Voltage f = 10Hz to 100KHz 25°C 500 µV Dropout Voltage IO = 1A 25°C 1.6 V Bias Current 25°C 2 3 mA VI = -23V to -34V 0.04 1 Bias Current Change IO = 5mA to 1A 0°C to 125°C 0.06 0.5 mA Peak Output Current 25°C 2.1 A Note *: This specification applies only for dc power dissipation permitted by absolute maximum ratings. Note 1: Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. |
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