LP2951CNG

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LP2951CNG Application Field and Working Principle

The LP2951CNG is a low-cost, high-precision voltage regulator solution designed for low-voltage and low-noise applications. It features an integrated circuit and high-precision, low-noise three-terminal voltage regulator in a small, 4-pin dual-in-line package. The LP2951CNG is part of the Linear voltage regulator family.

Key Features:

• 3.3V, 5V and adjustable versions
• Input voltage range from 2.7V to 20V
• Temperature range from -40°C to 125°C.
• Low dropout voltage
• Low noise
• High output current capability
• Over-current and short-circuit protection

Applications:

• Portable electronics
• Battery-powered devices
• Remote sensor power supplies
• Consumer electronics
• Computer peripheral devices
• Telecommunications

Working Principle:

The LP2951CNG operates by converting the input voltage to a precise regulated output voltage using an internal linear regulator. It uses series pass elements which controls the output voltage, which is adjustable from +2.7V to +20V depending on the configuration of the internal resistors. The input circuit of the LP2951CNG also provides necessary protection to the device from over-voltage, over-current and short-circuit conditions. With an on-chip thermal shutdown feature, the LP2951CNG provides reliable and efficient regulation of output voltage with excellent line and load regulation.

Conclusion:

The LP2951CNG is a cost-effective, high-precision linear voltage regulator that is suitable for low-voltage, low-noise applications in which high-precision, low-noise output voltage is required. It offers excellent performance, low dropout voltage and low noise characteristics. The input circuit also provides necessary protection to the circuit from over-voltage, over-current and short-circuit conditions.

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