ADP151ACBZ-2.1-R7

Overview

Product Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output accuracy - Low quiescent current - Thermal shutdown protection - Short-circuit current limit

Package: SOT-23-5

Essence: The ADP151ACBZ-2.1-R7 is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The ADP151ACBZ-2.1-R7 is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage: 2.1V
• Dropout Voltage: 150mV at 100mA
• Quiescent Current: 30µA
• Output Current: Up to 200mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADP151ACBZ-2.1-R7 has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Ground --| VOUT NC |-- Pin 2: No Connection --| EN FB |-- Pin 3: Feedback/Input Voltage Control --| NC NC |-- Pin 4: No Connection --| VIN VOUT|-- Pin 5: Output Voltage |___________| ```

Functional Features

1. Low Dropout Voltage: The ADP151ACBZ-2.1-R7 exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Accuracy: This voltage regulator provides a highly accurate output voltage of 2.1V, making it suitable for applications requiring precise voltage regulation.
3. Low Quiescent Current: With a quiescent current of only 30µA, the ADP151ACBZ-2.1-R7 minimizes power consumption when in standby or idle mode.
4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.
5. Short-Circuit Current Limit: The ADP151ACBZ-2.1-R7 features a short-circuit current limit, safeguarding the device and connected components from excessive current flow during a short circuit event.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output accuracy for precise voltage control - Low quiescent current minimizes power consumption - Thermal shutdown protection prevents overheating - Short-circuit current limit protects against excessive current flow

Disadvantages: - Limited output current capacity (up to 200mA)

Working Principles

The ADP151ACBZ-2.1-R7 operates as a linear voltage regulator. It takes an input voltage within the range of 2.3V to 5.5V and regulates it to a stable output voltage of 2.1V. The internal circuitry of the IC maintains the desired output voltage by adjusting the current flow through a pass transistor. Feedback from the output voltage is used to control this adjustment process, ensuring accurate regulation.

Detailed Application Field Plans

The ADP151ACBZ-2.1-R7 finds application in various electronic devices that require a stable and regulated 2.1V power supply. Some potential application fields include:

1. Portable Electronics: Mobile phones, tablets, and portable media players often require a regulated voltage source for powering their internal circuitry.
2. Wireless Communication Devices: Bluetooth headsets, wireless keyboards, and other wireless communication devices benefit from a stable power supply to ensure reliable operation.
3. Battery-Powered Systems: The low dropout voltage and low quiescent current make the ADP151ACBZ-2.1-R7 suitable for battery-powered applications where power efficiency is crucial.

Detailed and Complete Alternative Models

1. ADP150ACBZ-2.1-R7: Similar to the ADP151ACBZ-2.1-R7, this model offers a regulated output voltage of 2.1V with comparable specifications.
2. LM1117MPX-2.1/NOPB: This alternative model also provides a regulated output voltage of 2.1V and features similar characteristics to the ADP151ACBZ-2.1-R7.

These alternative models can be considered as substitutes for the ADP151ACBZ-2.1-R7 in applications requiring a stable 2.1V voltage regulator.

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