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GM7900TB3TG Datasheet(PDF) 6 Page - Gamma Microelectronics Inc. |
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GM7900TB3TG Datasheet(HTML) 6 Page - Gamma Microelectronics Inc. |
6 / 10 page 6 GM7900 Series 1.5A NEGATIVE VOLTAGE REGULATOR GM7912 Electrical Characteristics (V I = -19V, IO = 500mA unless otherwise noted) Parameter Test Condition (Note 1) Min Typ Max Unit 25°C -11.5 -12 -12.5 Output Voltage (note *) IO =5mA to 1A VI = -14.5V to -27V, P≦15W 0°C to 125°C -11.4 -12 -12.6 V VI = -14.5V to -30V 5 80 Input Regulation VI = -16V to -22V 25°C 3 30 mV Ripple Rejection VI = -15V to -25V, f = 120KHz 0°C to 125°C 54 60 dB IO = 5mA to 1.5A 15 200 Output Regulation IO = 250mA to 750mA 25°C 5 75 mV Temperature Coefficient of Output Voltage IO = 5mA 0°C to 125°C -0.8 mV/°C Output Noise Voltage f = 10Hz to 100KHz 25°C 300 µV Dropout Voltage IO = 1A 25°C 1.5 V Bias Current 25°C 2 3 mA VI = -14.5V to -30V 0.04 0.5 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 GM7915 Electrical Characteristics (V I = -23V, IO = 500mA unless otherwise noted) Parameter Test Condition (Note 1) Min Typ Max Unit 25°C -14.4 -15 -15.6 Output Voltage (note *) IO =5mA to 1A VI = -17.5V to -30V, P≦15W 0°C to 125°C -14.25 -15 -15.75 V VI = -17.5V to -30V 5 100 Input Regulation VI = -20V to -26V 25°C 3 50 mV Ripple Rejection VI = 15V to 25V, f = 120KHz 0°C to 125°C 54 60 dB IO = 5mA to 1.5A 15 200 Output Regulation IO = 250mA to 750mA 25°C 5 75 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 375 µV Dropout Voltage IO = 1A 25°C 1.5 V Bias Current 25°C 2 3 mA VI = -17.5V to -30V 0.04 0.5 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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