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TDA7274 데이터시트(PDF) 3 Page - STMicroelectronics |
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TDA7274 데이터시트(HTML) 3 Page - STMicroelectronics |
3 / 10 page THERMAL DATA Symbol Parameter Value Unit Rth j-amb Thermal Resistance Junction-ambient Max. 100 °C/W ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VS Supply Voltage 6V IM Motor Current 700 mA Ptot Power Dissipation at Tamb =25 °C 1.25 W ELECTRICAL CHARACTERISTICS (Refer to test circuit, VS = 3V, Tamb =25 °C unless otherwise speci- fied) Symbol Parameter Test Condition Min. Typ. Max. Unit VS Supply Voltage Range 1.8 6 V Vref Reference Voltage IM = 100mA 0.18 0.20 0.22 V Iq Quiescent Current 2.4 6.0 mA Id (Pin 6) Quiescent Current 120 µA K Shunt Ratio IM = 100mA 45 50 55 – Vsat Residual Voltage IM = 100mA 0.13 0.3 V ∆Vref Vref ⁄ ∆VS Line Regulation IM = 100mA VS = 1.8 to 6V 0.20 %/V ∆K K ⁄ ∆VS Voltage Characteristic of Shut Ratio IM = 100mA VS = 1.8 to 6V 0.80 %/V ∆Vref Vref ⁄ ∆IM Load Regulation IM = 20 to 200mA 0.004 %/mA ∆K K ⁄ ∆IM Current Characteristic of Shut Ratio IM = 20 to 200mA –0.03 %/mA ∆Vref Vref ⁄ ∆Tamb Temperature Characteristic of Reference Voltage IM = 100mA Tamb = –20 to +60 °C 0.04 %/ °C ∆K K ⁄ ∆Tamb Temperature Characteristic of Shut Ratio IM = 100mA Tamb = 20 to +60 °C 0.02 %/ °C TDA7274 3/10 |
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