TEA1533T/N1,518

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, low standby power consumption
• Package: TO-220-7L
• Essence: Switched Mode Power Supply (SMPS) controller
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 8V to 18V
• Output Voltage Range: 5V to 15V
• Maximum Output Current: 2.5A
• Frequency Range: 50kHz to 150kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. CS: Current sense input for current limiting
5. COMP: Compensation pin for stability control
6. DRAIN: Switching transistor drain connection
7. SYNC: Synchronization input for external clock

Functional Features

• High efficiency conversion with low standby power consumption
• Wide input voltage range for versatile applications
• Adjustable output voltage and current limit
• Over-temperature protection
• Over-voltage protection
• Under-voltage lockout
• Soft-start function for smooth power-up

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings
• Low standby power consumption reduces wasted power
• Wide input voltage range allows for flexibility in power source
• Adjustable output voltage and current limit cater to various requirements
• Comprehensive protection features ensure system reliability
• Soft-start function prevents excessive inrush current during startup

Disadvantages

• Limited maximum output current of 2.5A may not be suitable for high-power applications
• Requires external synchronization for precise frequency control

Working Principles

The TEA1533T/N1,518 is a switched mode power supply (SMPS) controller IC. It operates by regulating the output voltage through a feedback mechanism. The input voltage is converted to a high-frequency AC signal using a switching transistor. This AC signal is then rectified and filtered to obtain the desired DC output voltage. The IC monitors the output voltage through the feedback pin (FB) and adjusts the duty cycle of the switching transistor to maintain a stable output voltage.

Detailed Application Field Plans

The TEA1533T/N1,518 is commonly used in various power management applications, including:

1. Power adapters for consumer electronics
2. LED lighting systems
3. Industrial power supplies
4. Automotive electronics
5. Battery chargers

Detailed and Complete Alternative Models

1. TEA1532T/N1,518
2. TEA1534T/N1,518
3. TEA1535T/N1,518
4. TEA1536T/N1,518
5. TEA1537T/N1,518

These alternative models offer similar functionality and can be considered as replacements for the TEA1533T/N1,518 depending on specific requirements.

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