ADP2381AREZ-R7

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection - Small form factor

Package: 16-Lead, Thin Shrink Small Outline Package (TSSOP)

Essence: The ADP2381AREZ-R7 is a power management IC designed to regulate voltage efficiently with low dropout. It provides adjustable output voltage, overcurrent protection, and thermal protection in a compact package.

Packaging/Quantity: The ADP2381AREZ-R7 is available in a 16-Lead TSSOP package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 3A
• Dropout Voltage: 200mV at 3A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADP2381AREZ-R7 has 16 pins arranged as follows:

1. EN - Enable Pin
2. FB - Feedback Pin
3. SS/TRK - Soft Start/Tracking Pin
4. VSET - Voltage Set Pin
5. PGND - Power Ground Pin
6. AGND - Analog Ground Pin
7. SW - Switching Node Pin
8. SW - Switching Node Pin
9. SW - Switching Node Pin
10. SW - Switching Node Pin
11. BST - Boost Pin
12. VIN - Input Voltage Pin
13. VIN - Input Voltage Pin
14. VIN - Input Voltage Pin
15. VIN - Input Voltage Pin
16. VOUT - Output Voltage Pin

Functional Features

1. High Efficiency: The ADP2381AREZ-R7 offers high efficiency voltage regulation, minimizing power loss and maximizing energy conversion.
2. Adjustable Output Voltage: The output voltage can be adjusted within a specified range, providing flexibility for various applications.
3. Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection mechanisms to safeguard against potential damage or failure.
4. Small Form Factor: The compact package size allows for space-efficient integration into electronic devices.

Advantages and Disadvantages

Advantages: - High efficiency operation - Adjustable output voltage - Overcurrent and thermal protection - Compact size

Disadvantages: - Limited maximum output current (3A)

Working Principles

The ADP2381AREZ-R7 operates as a voltage regulator by converting the input voltage to a regulated output voltage. It utilizes a switching mechanism to efficiently regulate the voltage while minimizing power loss. The IC continuously monitors the output voltage and adjusts the switching frequency accordingly to maintain the desired output voltage level. Additionally, it incorporates protection features such as overcurrent and thermal protection to ensure safe operation.

Detailed Application Field Plans

The ADP2381AREZ-R7 is suitable for various applications that require efficient voltage regulation, such as: - Portable electronic devices - Battery-powered systems - Industrial equipment - Automotive electronics - Communication systems

Detailed and Complete Alternative Models

1. ADP2380AREZ-R7: Similar to ADP2381AREZ-R7 but with a fixed output voltage of 1.8V.
2. ADP2382AREZ-R7: Similar to ADP2381AREZ-R7 but with a higher maximum output current of 5A.
3. ADP2383AREZ-R7: Similar to ADP2381AREZ-R7 but with a fixed output voltage of 3.3V.

These alternative models offer similar functionality with slight variations in output voltage or maximum output current, providing options to suit different application requirements.

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