TLE 4264
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TLE4264GHTSA1 (pdf) |
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5-V Low Drop Fixed Voltage Regulator TLE 4264 SOT223 Functional Description TLE 4264 is a 5-V low-drop fixed-voltage regulator in an PG-SOT223-4 package. The IC regulates an input voltage VI in the range V < VI < 45 V to VQrated = V. The maximum output current is more than 120 mA. This IC is shortcircuit-proof and features temperature protection that disables the circuit at overtemperature. Dimensioning Information on External Components The input capacitor Ci is necessary for compensating line influences. Using a resistor of approx. 1 in series with Ci, the oscillating of input inductivity and input capacitance can be damped. The output capacitor CQ is necessary for the stability of the regulating circuit. Stability is guaranteed at values CQ 10 µF and an ESR 10 within the operating temperature range. Type TLE 4264 G Data Sheet Package PG-SOT223-4 TLE 4264 AEP01526 Figure 1 Pin Configuration top view Table 1 Pin 1 2, 4 3 Pin Definitions and Functions Function Input voltage block to ground directly on IC with ceramic capacitor Ground 5-V output voltage block to ground with 10 µF capacitor, ESR 10 Circuit Description Data Sheet TLE 4264 1 Input Adjustment Temperature Sensor Bandgap Reference Saturation Control and Protection Circuit Control Amplifier Buffer 3 Output AEB01527 Figure 2 Block Diagram Data Sheet TLE 4264 |
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