ADM802LARN

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, Adjustable Output, Low Quiescent Current
• Package: 8-Pin SOIC
• Essence: ADM802LARN is a voltage regulator integrated circuit designed to provide a stable output voltage with low dropout voltage. It is commonly used in various electronic devices to regulate and maintain a constant voltage level.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.25V to 5.5V
• Dropout Voltage: 200mV at 100mA load current
• Quiescent Current: 75µA typical
• Output Current: Up to 150mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ADM802LARN features an 8-pin Small Outline Integrated Circuit (SOIC) package. The pin configuration is as follows:

1. VOUT: Output Voltage
2. GND: Ground
3. NC: No Connection
4. NC: No Connection
5. ADJ: Adjustable Voltage Input
6. NC: No Connection
7. VIN: Input Voltage
8. NC: No Connection

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Adjustable output voltage allows for flexibility in different applications.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Short-circuit protection safeguards the circuit from damage in case of a fault.

Advantages and Disadvantages

Advantages: - Stable output voltage regulation - Low dropout voltage - Adjustable output voltage - Low quiescent current - Short-circuit protection

Disadvantages: - Limited output current capacity (up to 150mA) - Requires external components for certain applications

Working Principles

ADM802LARN utilizes a combination of internal circuitry and feedback mechanisms to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The low dropout voltage is achieved through efficient design techniques that minimize voltage loss across the regulator.

Detailed Application Field Plans

ADM802LARN finds applications in various electronic devices where a stable voltage supply is required. Some common application fields include:

1. Battery-powered devices: Portable electronics, handheld instruments, etc.
2. Automotive electronics: Infotainment systems, dashboard displays, etc.
3. Industrial control systems: Sensors, actuators, motor control, etc.
4. Communication equipment: Wireless routers, modems, etc.
5. Consumer electronics: Audio/video devices, gaming consoles, etc.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Voltage Regulator, TO-220 package
2. LT1763-3.3: Fixed Voltage Regulator, SOT-223 package
3. MAX603CPA: Adjustable Voltage Regulator, DIP-8 package
4. LP2985-33DBVR: Fixed Voltage Regulator, SOT-23 package
5. TPS79633DCQR: Fixed Voltage Regulator, VSON-8 package

These alternative models offer similar functionality and can be considered as alternatives to ADM802LARN based on specific requirements and preferences.

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