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TDA8174AW Fiches technique(PDF) 2 Page - STMicroelectronics |
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TDA8174AW Fiches technique(HTML) 2 Page - STMicroelectronics |
2 / 5 page ![]() ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VS Supply Voltage 35 V V1,V2 Flyback Peak Voltage 65 V V3 Trigger Input Voltage 20 V V9 Amplifier Input Voltage GND, VS V I0 Output Peak-to-peak Current (non repetitive t = 2ms) 6 A I0 Output Peak-to-peak Current t > 10 µs4 A I11 Pin 11 DC Current at V1 <V10 100 mA I11 Pin 11 Peak-to-peak Current @ tfly < 1.5ms 3 A Ptot Total Power Dissipation @ Ttab =60 °C30 W Tstg Storage Temperature – 40, +150 °C Tj Junction Temperature 0, +150 °C Tamb Ambient Temperature 0, +70 °C THERMAL DATA Symbol Parameter Value Unit Rth (j-tab) Thermal Resistance Junction-tab Max. 3 °C/W Rth(j-a) Thermal Resistance Junction-ambient Max. 40 °C/W RAMP GENERATOR VOLTAGE REGULATOR FLYBACK GENERATOR THERMAL PROTECTION 2 3 6 8 10 BUFFER STAGE 11 CLOCK PULSE POWER AMP. R3 1 79 4 TRIG-IN TDA8174A 5 BLOCK DIAGRAM DC ELECTRICAL CHARACTERISTICS (VS = 35V ; Tamb =25 oC unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit I2 Pin 2 Quiescent Current I1 =0, I11 = 0 16 36 mA I10 Pin 10 Quiescent Current I1 =0, I11 = 0 15 30 mA –I7 Ramp Generator Bias Current V7 = 0 0.5 µA –I7 Ramp Generator Current V7 =0,–I4 =20 µA 18.5 20 21.5 µA dI7/I7 Ramp Generator Linearity V6 = 0 to 15V, –I4 =20 µA 0.2 1 % V1 Quiescent Output Voltage Ra = 30k Ω,Rb = 10kΩ,Vs = 35V 17.0 17.8 18.6 V Ra = 6.8k Ω,Rb = 10kΩ,Vs = 15V 7.2 7.5 7.8 V V1L Out Saturation Voltage to GND I1 = 0.5A 0.5 1 V I1 = 1.2A 1 1.4 V V1H Out Saturation Voltage to Vs –I1 = 0.5A 1.1 1.6 V –I1 = 1.2A 1.6 2.2 V TDA8174A - TDA8174AW 2/5 |
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