CDC339DBRG4

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High-performance voltage regulator - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection - Small package size

Package: DFN (Dual Flat No-Lead)

Essence: CDC339DBRG4 is an integrated circuit belonging to the power management category. It is a high-performance voltage regulator with adjustable output voltage, low dropout voltage, and built-in overcurrent and thermal protection. The IC comes in a small DFN package.

Packaging/Quantity: CDC339DBRG4 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications and Parameters

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 500mA
• Maximum Output Current: 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CDC339DBRG4 IC has the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | VOUT | Output Voltage | | 4 | EN | Enable Pin |

Functional Characteristics

• Adjustable Output Voltage: The CDC339DBRG4 allows for easy adjustment of the output voltage within the specified range.
• Overcurrent and Thermal Protection: The IC includes built-in protection mechanisms to prevent damage from overcurrent and excessive heat.
• Low Dropout Voltage: With a dropout voltage of only 200mV at 500mA, the IC ensures efficient power delivery even with low input voltages.
• Low Quiescent Current: The quiescent current of 75µA minimizes power consumption when the IC is in standby mode.
• Wide Operating Temperature Range: The CDC339DBRG4 can operate reliably in a wide temperature range, from -40°C to +85°C.

Advantages and Disadvantages

Advantages: - High-performance voltage regulation - Adjustable output voltage - Overcurrent and thermal protection - Small package size - Low dropout voltage

Disadvantages: - Limited maximum output current (500mA)

Applicable Range of Products

The CDC339DBRG4 IC is suitable for various applications that require stable and adjustable voltage regulation. It can be used in: - Battery-powered devices - Portable electronics - IoT devices - Industrial control systems - Automotive electronics

Working Principles

The CDC339DBRG4 is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to ensure the desired output voltage is maintained, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

1. Battery-Powered Devices: The CDC339DBRG4 can be used in smartphones, tablets, and other portable devices to regulate the voltage supplied to various components, ensuring stable operation and prolonging battery life.

2. IoT Devices: In IoT applications, the IC can provide reliable voltage regulation for sensors, microcontrollers, and communication modules, enabling seamless connectivity and efficient power management.

3. Industrial Control Systems: The CDC339DBRG4 is suitable for use in industrial control systems, where it can regulate the voltage supplied to PLCs, motor drivers, and other critical components, ensuring stable and precise operation.

4. Automotive Electronics: The IC can be utilized in automotive electronics, such as infotainment systems, navigation units, and advanced driver-assistance systems (ADAS), to provide stable voltage supply and protect sensitive components from voltage fluctuations.

5. Power Banks: CDC339DBRG4 can be integrated into power bank designs to regulate the output voltage, ensuring compatibility with various devices and efficient charging.

Detailed Alternative Models

1. LM1117-ADJ: A popular alternative to CDC339DBRG4, offering similar features and performance.
2. LT1763: Another high-performance voltage regulator with adjustable output voltage and low dropout characteristics.
3. TPS7A4700: A precision voltage regulator with ultra-low dropout voltage and high PSRR (Power Supply Rejection Ratio).
4. MCP1702: Low quiescent current LDO regulator suitable for battery-powered applications.
5. MAX603: An integrated circuit with adjustable output voltage and low dropout voltage, designed for space-constrained applications.

5 Common Technical Questions and Answers

1. Q: What is the maximum input voltage supported by CDC339DBRG4