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TLE4275-Q1

Part Number	TLE4275-Q1
Manufacturer	Texas Instruments
Description	5-V Low-Dropout Voltage Regulator
Published	Jun 15, 2023
Detailed Description	Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TLE4275-Q1 SLVS647I – AUGUST 2...
Datasheet	TLE4275-Q1 PDF File

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TLE4275-Q1 SLVS647I – AUGUST 2006 – REVISED NOVEMBER 2014 TLE4275-Q1 5-V Low-Dropout Voltage Regulator 1 Features •1 Qualified for Automotive Applications • Output Voltage 5 V ± 2% • Very Low Current Consumption • Power-On and Undervoltage Reset • Reset Low-Level Output Voltage < 1 V • Very Low Dropout Voltage • Short-Circuit Proof • Reverse-Polarity Proof 2 Applications • Qualified for Automotive Applications • Cluster • Body Control Modules • Heating Ventilation and Air Conditioning (HVAC) 3 Description The TLE4275-Q1 is a monolithic integrated lowdropout voltage regulator offered in a 5-pin TO package.
The device regulates an input voltage up to 45 V to VOUT = 5 V (typical).
The device can drive loads up to 450 mA and is short-circuit proof.
At overtemperature, the incorporated temperature protection turns off the TLE4275-Q1.
The device generates a reset signal for an output voltage, VOUT,rt, of 4.
65 V (typical).
By the use of an external delay capacitor, one can program the reset delay time.
The input capacitor, CIN, compensates for line fluctuation.
Using a resistor of approximately 1 Ω in series with CIN dampens the oscillation of input inductance and input capacitance.
The output capacitor, COUT, stabilizes the regulation circuit.
The specification for stability is at COUT ≥ 22 μF and ESR ≤ 5 Ω, within the operating temperature range.
Stability for electrolytic capacitors specifically is at COUT ≥ 68 µF within the operating temperature range.
See the application report on low-temperature stability, SLVA501, for further details.
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 through a buffer.
Saturation control as a function of the load current prevents any oversaturation of the power element.
The device also incorporates a number of internal circuits for protection ...

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TLE4275-Q1 5-V Low-Dropout Voltage Regulator - Texas Instruments

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