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TDA1170S Folha de dados(PDF) 4 Page - STMicroelectronics |
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TDA1170S Folha de dados(HTML) 4 Page - STMicroelectronics |
4 / 9 page ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VS Supply Voltage at Pin 2 35 V V4,V5 Flyback Peak Voltage 60 V V10 Power Amplifier Input Voltage + 10 – 0.5 V V Io Output Peak Current (non repetitive) at t = 2msec 2 A Io Output Peak Current at f = 50Hz t ≤ 10µsec 2.5 A Io Output Peak Current at f = 50Hz t > 10 µsec 1.5 A I3 Pin 3 DC Current at V4 2 100 mA I3 Pin 3 Peak to Peak Flyback Current for f = 50Hz, tfly ≤ 1.5msec 1.8 A I8 Pin 8 Current ± 20 mA Ptot Power Dissipation : at Ttab =90 °C at Tamb =80 ° C 5 1 W W Tstg,Tj Storage and Junction Temperature – 40, + 150 °C THERMAL DATA Symbol Parameter Value Unit Rth j–tab Thermal Resistance Junction–tab Max 12 °C/W Rth j–amb Thermal Resistance Junction-ambient Max 70 °C/W ( °) Obtained with tabs soldered to printed circuit with minimized copper area. ELECTRICAL CHARACTERISTICS (refer to the test circuits, VS = 35V, Tamb =25 °C, unless otherwise specified) DC CHARACTERISTICS Symbol Parameter Test Conditions Min. Typ. Max. Unit Fig. I2 Pin 2 Quiescent Current I3 =0 7 14 mA 1b I5 Pin 5 Quiescent Current I4 =0 8 15 mA 1b –I9 Oscillator Bias Current V9 = 1V 0.1 1 µA1a –I10 Amplifier Input Bias Current V10 = 1V 0.1 1 µA1b –I12 Ramp Generator Bias Current V12 = 0 0.02 0.3 µA1a –I12 Ramp Generator Current I7 =20 µA, V12 = 0 19 20 24 µA1b ∆I12 I12 Ramp Generator Non-linearity ∆V12 = 0 to 12V, I7 = 20 µA 0.2 1 % 1b Vs Supply Voltage Range 10 35 V – V1 Pin 1 Saturation Voltage to Ground I1 = 1 mA 1 1.4 V – V3 Pin 3 Saturation Voltage to Ground I3 = 10 mA 1.7 2.6 V 1a V4 Quiescent Output Voltage VS = 10V R1 = 10k Ω , R2 = 10kΩ 4.1 4.4 4.75 V 1a VS = 35V R1 = 30k Ω, R2 = 10kΩ 8.3 8.8 9.45 V 1a V4L Output Saturation Voltage to Ground – I4 = 0.1A –I4 = 0.8A 0.9 1.9 1.2 2.3 V V 1c 1c V4H Output Saturation Voltage to Supply I4 = 0.1A I4 = 0.8A 1.4 2.8 2.1 3.2 V V 1d 1d V6 Regulated Voltage at Pin 6 6.1 6.5 6.9 V 1b V7 Regulated Voltage at Pin 7 I7 =20 µA 6.2 6.6 7 V 1b ∆V6 ∆VS , ∆V7 ∆VS Regulated Voltage Drift with Supply Voltage ∆VS = 10 to 35V 1 mV/V 1b V10 Amplifier Input Reference Voltage 2.07 2.2 2.3 V – R8 Pin 8 Input Resistance V8 ≤ 0.4V 1 M Ω 1a TDA1170S 4/9 |
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