CDC351IDBRG4

Overview

Category: Integrated Circuit (IC)

Use: Power Management

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

Package: DSBGA-6 (Micro SMD)

Essence: Voltage Regulator IC

Packaging/Quantity: Tape & Reel / 3000 pieces per reel

Specifications and Parameters

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CDC351IDBRG4 has the following pin configuration:

┌───┐ Vout│ │ Vin EN │ │ GND └───┘

Functional Characteristics

• Voltage Regulation: The CDC351IDBRG4 provides a stable output voltage regardless of input voltage fluctuations.
• Low Dropout: It maintains a low dropout voltage, ensuring efficient power delivery even with small input-output voltage differentials.
• Adjustable Output: The output voltage can be adjusted within the specified range using external resistors.
• Protection Features: The IC incorporates overcurrent and thermal protection mechanisms to safeguard against potential damage.

Advantages and Disadvantages

Advantages: - High efficiency - Compact package size - Wide input voltage range - Adjustable output voltage

Disadvantages: - Limited maximum output current - Requires external components for precise voltage regulation

Applicable Range of Products

The CDC351IDBRG4 is suitable for various applications that require voltage regulation, such as: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices

Working Principles

The CDC351IDBRG4 operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the input and output terminals. This adjustment is achieved through an internal feedback mechanism that compares the output voltage to a reference voltage.

Detailed Application Field Plans

The CDC351IDBRG4 can be used in the following application fields: 1. Mobile phones: Provides stable power supply for various components. 2. Wireless sensors: Regulates voltage for efficient sensor operation. 3. Portable audio devices: Ensures consistent power delivery for optimal audio performance. 4. Medical devices: Maintains reliable power supply for critical medical equipment. 5. Automotive electronics: Stabilizes voltage for automotive systems and accessories.

Detailed Alternative Models

Some alternative models to the CDC351IDBRG4 include: - LM1117-ADJ - LT1763-3.3 - TPS79633

5 Common Technical Questions and Answers

1. Q: What is the maximum output current of the CDC351IDBRG4?

   • A: The maximum output current is 150mA.

2. Q: Can the output voltage be adjusted?

   • A: Yes, the output voltage can be adjusted within the specified range using external resistors.

3. Q: Does the CDC351IDBRG4 have overcurrent protection?

   • A: Yes, it incorporates overcurrent protection to prevent damage due to excessive current.

4. Q: What is the operating temperature range of the CDC351IDBRG4?

   • A: The operating temperature range is from -40°C to +85°C.

5. Q: Is the CDC351IDBRG4 suitable for battery-powered devices?

   • A: Yes, it is suitable for battery-powered devices as it provides efficient voltage regulation.

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