PAM2309CGFADJR

Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: DFN-6 (Dual Flat No-Lead)

Essence: PAM2309CGFADJR is a voltage regulator IC designed for various applications that require a stable and adjustable output voltage.

Packaging/Quantity: The PAM2309CGFADJR is typically sold in reels containing 3000 units.

Specifications

The PAM2309CGFADJR has the following specifications:

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 60μA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PAM2309CGFADJR features a DFN-6 package with the following pin configuration:

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| | --| EN GND |-- --| FB VIN |-- --| VOUT NC |-- |___________| ```

Pin Description: - EN: Enable Pin (Active High) - FB: Feedback Pin - VIN: Input Voltage Pin - VOUT: Output Voltage Pin - GND: Ground Pin - NC: No Connection

Functional Features

The PAM2309CGFADJR offers the following functional features:

1. Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to the input voltage (VIN) using an external resistor divider network connected to the FB pin.

2. Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection mechanisms to safeguard against excessive current and temperature conditions, ensuring reliable operation.

3. Low Dropout Voltage: With a dropout voltage as low as 200mV at 500mA, the PAM2309CGFADJR minimizes power dissipation and maximizes efficiency.

4. Low Quiescent Current: The quiescent current of only 60μA helps conserve power in battery-powered applications.

Advantages and Disadvantages

Advantages: - Small form factor allows for space-efficient designs. - Adjustable output voltage provides flexibility for various applications. - Overcurrent and thermal protection enhance reliability. - Low dropout voltage improves efficiency. - Low quiescent current prolongs battery life.

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power applications. - DFN-6 package may require specialized equipment for soldering.

Working Principles

The PAM2309CGFADJR is a linear voltage regulator that operates by maintaining a constant voltage difference between the input and output pins. It utilizes a feedback mechanism to adjust the output voltage based on the reference voltage set by the user through the resistor divider network connected to the FB pin. The internal circuitry ensures stable regulation even under varying load conditions.

Detailed Application Field Plans

The PAM2309CGFADJR can be applied in various fields, including but not limited to:

1. Portable Electronics: It can be used in smartphones, tablets, portable media players, and other battery-powered devices to regulate the voltage for different components.

2. Wireless Communication Systems: The IC can be employed in wireless routers, access points, and other communication systems to provide stable voltage supply.

3. Automotive Electronics: It can be utilized in automotive applications such as infotainment systems, navigation devices, and lighting control modules to ensure reliable voltage regulation.

4. Industrial Control Systems: The PAM2309CGFADJR can find application in industrial control systems, motor drives, and automation equipment where precise voltage regulation is required.

Detailed and Complete Alternative Models

1. PAM2305CGFADJR: Similar to PAM2309CGFADJR, but with a fixed output voltage of 3.3V.
2. LM1117IMPX-3.3/NOPB: A low dropout voltage regulator with a fixed output voltage of 3.3V.
3. MIC5205-3.3YM5-TR: Another adjustable voltage regulator with a maximum output current of 150mA and a fixed output voltage of 3.3V.

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

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