IRU1010-33CS

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit current limit - Overcurrent protection - Reverse battery protection

Package: TO-263-5 (D2PAK)

Essence: The IRU1010-33CS is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1010-33CS is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.75V - 18V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 10mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IRU1010-33CS has a total of five pins:

1. VIN - Input Voltage Pin
2. GND - Ground Pin
3. EN - Enable Pin
4. FB - Feedback Pin
5. VOUT - Output Voltage Pin

Functional Features

• Low Dropout Voltage: The IRU1010-33CS has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 1A, the IRU1010-33CS can power a wide range of electronic devices.
• Thermal Shutdown Protection: The IC includes a thermal shutdown feature that protects it from overheating, ensuring its safe operation.
• Short Circuit Current Limit: In the event of a short circuit, the IRU1010-33CS limits the current to prevent damage to the IC and connected components.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive current flow.
• Reverse Battery Protection: The IRU1010-33CS is designed to withstand reverse polarity connection, protecting it from potential damage.

Advantages and Disadvantages

Advantages: - Stable and regulated output voltage - High output current capability - Thermal shutdown protection for safety - Short circuit and overcurrent protection - Reverse battery protection

Disadvantages: - Dropout voltage may cause some power loss - Limited to a maximum output current of 1A

Working Principles

The IRU1010-33CS operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a stable 3.3V output voltage. The feedback pin (FB) monitors the output voltage and adjusts the internal circuitry to maintain the desired voltage level. The enable pin (EN) allows for control of the regulator's operation.

Detailed Application Field Plans

The IRU1010-33CS can be used in various applications where a stable and regulated 3.3V power supply is required. Some common application fields include: - Consumer electronics - Industrial automation - Automotive electronics - Telecommunications - Power management systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the IRU1010-33CS are: - LM1117-3.3 - LT1086-3.3 - TPS72333 - NCP1117-3.3 - MAX6033

These alternative models offer similar voltage regulation capabilities and can be suitable replacements depending on specific requirements.

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