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TDA2270 Datasheet(PDF) 2 Page - STMicroelectronics |
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TDA2270 Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 7 page ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit Vs Supply Voltage (pin 1) 35 V V7,V8 Flyback Peak Voltage 60 V V2 Voltage at Pin 2 + Vs V15,V16 Amplifier Input Voltage + Vs, – 0.5 V Io Output Peak Current (non repetitive, t = 2 ms) 2 A Io Output Peak Current at f = 50 Hz, t ≤ 10 µs 2.2 A Io Output Peak Current at f = 50 Hz, t > 10 µs 1.2 A I2 Pin 2 DC Current at V7 <V1 50 mA I2 Pin 2 Peak to Peak Flyback Current at f = 50 Hz, tfly ≤ 1.5 ms 2 A Ptot Total Power Dissipation at Tpins ≤ 90 °C Tamb =70 °C 4.3 1 W W Tstg,Tj Storage and Junction Temperature – 40 to 150 °C THERMAL DATA Symbol Parameter Value Unit Rth j–case Thermal Resistance Junction-case Max 14 °C/W Rth j–amb Thermal Resistance Junction–ambient Max 80 °C/W * Obtained with the GND pins soldered to printed circuit with minimized copper area. ELECTRICAL CHARACTERISTICS (refer to the test circuits, VS =35 V, Tamb =25 oC unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit Fig. I1 Pin 1 Quiescent Current I2 =o, I7 =0, V16 = 3 V 8 16 mA 1a I8 Pin 8 Quiescent Current I2 =0, I7 =0, V16 =3 V 16 36 mA 1a I15 Amplifier Input Bias Current V15 = 1 V – 0.1 – 1 µA1a I16 Amplifier Input Bias Current V16 = 1 V – 0.1 – 1 µA1a V2L Pin 2 Saturation Voltage to GND I2 =20 mA 1 V 1c V7 Quiescent Output Voltage Vs = 35V,Ra =39 k Ω Vs = 15V,Ra =13 k Ω 18 7.5 V V 1d 1d V7L Output Saturation Voltage to GND I7 = 0.7 A 0.7 1 V 1c V7H Output Saturation Voltage to Supply – I7 = 0.7 A 1.3 1.8 V 1b V9 Reference Voltage I9 = 0 2.2 V 1a ∆V9 ∆VS Reference Voltage Drift versus Supply Voltage Vs = 15 to 30 V 1 2 mV/V 1a R9 Reference Voltage Output Resistance 2.1 k Ω Tj Junction Temperature for Thermal Shut Down 140 °C TDA2270 2/7 |
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