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TDA8137 Scheda tecnica(PDF) 3 Page - STMicroelectronics |
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TDA8137 Scheda tecnica(HTML) 3 Page - STMicroelectronics |
3 / 5 page ELECTRICAL CHARACTERISTICS (VIN = 7V ; Tj = 25 oC unless otherwise specified) (continued) Symbol Parameter Test Conditions Min. Typ. Max. Unit IRH Leakage Current at Pin 5 in Normal Condition V5 = 10V 10 µA K01,2 Output Volt. Thermal Drift K0 = ∆Vo ⋅ 106 ∆T ⋅ VO Tj = 0 to + 125 °C 100 ppm/ °C I01,2SC Short Circ. Output Current VIN = 7V 1.6 A VIN = 16V, (see note 1) 1 A VDISH Disable Volt. at Pin 3 High (out 2 active) 2 V VDISL Disable Volt. at Pin 3 Low (out 2 disabled) 0.8 V IDIS Disable Bias Current at Pin 3 0V < VDIS < 7V -100 2 µA Tjsd Junction Temp. for Thermal Shut Down 145 °C Note 1 : The output short circuit currents are tested one channel at time. During a short circuit a large consumption of power occurs, anyway the thermal protection circuit guarantees the temperature not over- comes high value. Safe permanent short-circuit is only guaranteed for input voltages up to 16V. OUT 1 REG REF 2.5V - + 50 a + - Ce 2.5V 0.6V b RESET 10 µA 7 2 5 Figure 1 TD RESET ∆VOUT LOW 5.1V 4.9V 4.85V TD Figure 2 TDA8137 3/5 |
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