ADM805LAN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Regulator (LDO)
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 60µA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ADM805LAN has the following pin configuration:

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

Functional Features

• Low dropout voltage for efficient power management
• Wide input voltage range allows flexibility in power supply selection
• Excellent line and load regulation for stable output voltage
• Low quiescent current for power-saving applications
• Enable pin for easy on/off control of the regulator

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient power conversion
• Wide input voltage range provides versatility in power supply options
• Excellent line and load regulation ensures stable output voltage
• Low quiescent current enables power-saving operation
• Enable pin allows convenient on/off control

Disadvantages

• Maximum output current limited to 150mA
• Dropout voltage of 200mV may not be suitable for ultra-low power applications

Working Principles

The ADM805LAN is a low dropout voltage regulator that maintains a stable output voltage despite variations in input voltage and load conditions. It operates by comparing the output voltage with a reference voltage and adjusting the internal pass transistor accordingly. The enable pin allows the user to turn the regulator on or off as needed.

Detailed Application Field Plans

The ADM805LAN is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from the low dropout voltage and low quiescent current of the ADM805LAN.
2. Industrial equipment: The wide input voltage range and stable output voltage make it suitable for powering sensors, actuators, and control circuits in industrial applications.
3. Automotive electronics: The ADM805LAN can be used in automotive systems, such as infotainment systems, navigation units, and engine control modules, where reliable power management is crucial.
4. Communication devices: Wireless routers, modems, and network switches can utilize the ADM805LAN for efficient power regulation and stability.

Detailed and Complete Alternative Models

1. ADM809: Similar to ADM805LAN, but with a higher maximum output current of 300mA.
2. ADM811: Low dropout voltage regulator with an adjustable output voltage feature.
3. ADM814: Dual low dropout voltage regulator in a single package, suitable for applications requiring multiple regulated voltages.

These alternative models offer similar functionality to the ADM805LAN but may have different specifications or additional features to meet specific application requirements.

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