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STV9378 数据表(PDF) 3 Page - STMicroelectronics |
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STV9378 数据表(HTML) 3 Page - STMicroelectronics |
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3 / 5 page ![]() ELECTRICAL CHARACTERISTICS (VS = 42V, TA =25 oC, unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit VS Operating Supply Voltage Range 10 42 V I2 Pin 2 Quiescent Current I3 =0, I5 = 0 10 20 mA I6 Pin 6 Quiescent Current I3 =0, I5 =0 5 10 30 mA IO Max. Peak Output Current 1 A I1 Amplifier Bias Current V1 = 1V - 0.15 - 1 µA V7 Internal Reference Voltage 2.2 2.3 2.4 V ∆V7 ∆VS Reference Voltage Drift versus VS VS = 24 to 42V 2 4 mV/V Kt Reference Voltage Drift versus Tj 100 150 ppm/ oC GV Voltage Gain 80 dB V5L Output Saturation Voltage to GND (Pin 4) I5 = 1A 1 1.5 V V5H Output Saturation Voltage to Supply (Pin 6) I5 = - 1A 1.6 2.1 V VD5 - 6 Diode Forward Voltage between Pins 5-6 I5 = 1A 1.5 2 V VD3 - 2 Diode Forward Voltage between Pins 3-2 I3 = 1A 1.5 2 V V3L Saturation Voltage on Pin 3 I3 = 20mA 0.8 1.2 V V3SH Saturation Voltage to Pin 2 (2nd part of flyback) I3 = - 1A 2.1 2.9 V POWER AMPLIFIER 4 5 7 R5 R3 R2 R4 R1 C L THERMAL PROTECTION 1 10 µF REFERENCE VOLTAGE +VS 23 6 C F FLYBACK GENERATOR STV9378 APPLICATION CIRCUIT STV9378 3/5 |
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