TLE7272D

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The TLE7272D is a general purpose linear voltage regulator integrated circuit (IC) that provides an efficient and cost-effective yet reliable solution to a wide range of voltage regulator applications. This IC is capable of providing a regulated output voltage up to 1.8V with a typical efficiency rating of 92%.

Product features:

• One-Time Programmable (OTP) regulator
• Auto Control Architecture, for Automatic output adjustment.
• Over-Temperature protection.
• Dust Resistance.
• PBS pin for output voltage feature.
• 3.3V and 5V input voltage.
• Quiet Thermal Regulation (QTR) architecture.
• On-chip Power Supply Sensing& Protection.

Applications:

The TLE7272D is a general purpose voltage regulator IC and can be used in a variety of industry applications such as:

• Automotive electronics
• Industrial electronics
• Telecommunications
• Medical electronics
• Instrumentation
• Computing

Working Principle:

The TLE7272D is a voltage regulator that uses a bandgap reference circuit to generate a reference voltage that is used to achieve accurate and steady regulation of the output voltage. The device offers low output noise, good transient response and excellent temperature stability.

The bandgap reference circuit is composed of two transistors, a reference voltage generator, a current mirror, and a feedback loop. The current mirror is used to generate a bias current for the reference voltage generator, which is then amplified by the output buffer and fed back to the bandgap reference circuit. The feedback loop ensures that the output voltage is kept constant and to the desired level, even when the input voltage or load conditions vary.

In addition to regulating the output voltage, the device features multiple protection functions, such as over-temperature protection and power supply fail-safe. These features help to ensure reliable operation in various operating environments and wide input voltage ranges.

Conclusion:

The TLE7272D is a linear voltage regulator IC that provides an efficient and cost-effective solution to a wide range of applications. It offers low output noise, good transient response and excellent temperature stability, with over-temperature protection and power supply fail-safe. The device can be used in automotive electronics, industrial electronics, telecommunication, medical electronics, instrumentation and computing applications.

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