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TLE4276SV50 データシート(PDF) 2 Page - Infineon Technologies AG |
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TLE4276SV50 データシート(HTML) 2 Page - Infineon Technologies AG |
2 / 19 page TLE 4276 Data Sheet Version 2.2 2 2000-10-11 Functional Description The TLE 4276 is a low-drop voltage regulator in a TO package. The IC regulates an input voltageupto40 V to V Q,nom = 5.0 V (V50), 8.5 V (V85), 10 V (V10) and adjustable voltage (V). The maximum output current is 400 mA. The IC can be switched off via the inhibit input, which causes the current consumption to drop below 10 ←A. The IC is short-circuit- proof and includes temperature protection which turns off the device at overtemperature. Dimensioning Information on External Components The input capacitor C I is necessary for compensation of line influences. Using a resistor of approx. 1 τ in series with C I, the oscillating of input inductivity and input capacitance can be damped. The output capacitor C Q is necessary for the stability of the regulation circuit. Stability is guaranteed at values C Q ∫ 22 ←F and an ESR of ® 3 τ within the operating temperature range. Circuit Description The control amplifier compares a reference voltage to a voltage that is proportional to the output voltage and drives the base of the series transistor via a buffer. Saturation control as a function of the load current prevents any oversaturation of the power element. The IC also incorporates a number of internal circuits for protection against: • Overload • Overtemperature • Reverse polarity |
同様の部品番号 - TLE4276SV50 |
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同様の説明 - TLE4276SV50 |
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