ADP172ACBZ-2.9-R7

Product Overview

Category

ADP172ACBZ-2.9-R7 belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage: 2.9V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV
• Low Quiescent Current: 25µA
• Low Shutdown Current: 0.1µA
• Operating Temperature Range: -40°C to +125°C

Package

ADP172ACBZ-2.9-R7 comes in a small outline package (SOIC) with 8 pins.

Essence

The essence of ADP172ACBZ-2.9-R7 is to provide a stable output voltage despite variations in input voltage.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage: 2.9V ±2%
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 25µA (typical)
• Shutdown Current: 0.1µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. BYP: Bypass capacitor pin
5. FB: Feedback pin
6. VOUT: Output voltage pin
7. NC: No connection
8. NC: No connection

Functional Features

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient regulation even with low input voltages.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Shutdown mode reduces current consumption to an extremely low level.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• High ripple rejection ratio filters out noise and interference from the input voltage.

Advantages

• Compact package size enables space-saving designs.
• Wide operating temperature range allows for use in extreme environments.
• Low dropout voltage ensures efficient operation even with low battery voltages.
• Low quiescent and shutdown currents contribute to energy efficiency.
• Excellent line and load regulation provide a stable output voltage for sensitive components.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Fixed output voltage may not be adjustable for specific requirements.
• Requires external bypass capacitors for optimal performance.

Working Principles

ADP172ACBZ-2.9-R7 is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to regulate the output. The device operates by continuously monitoring the input voltage, adjusting the pass transistor to maintain the desired output voltage, and filtering out any noise or fluctuations.

Detailed Application Field Plans

ADP172ACBZ-2.9-R7 finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Medical equipment - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ADP172ACBZ-2.9-R7 are: - LM317: Adjustable voltage regulator with a wide input voltage range. - LT1763: Low dropout linear regulator with adjustable output voltage. - TPS7A47: High-performance, low-noise linear regulator with fixed output voltage.

These alternative models offer similar functionality and can be chosen based on specific requirements and design constraints.

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