TEA1533P/N1,112

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, low standby power consumption
• Package: DIP-8 (Dual In-line Package)
• Essence: Switched Mode Power Supply (SMPS) controller
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 2.5V to 22V
• Maximum Output Current: 1.5A
• Switching Frequency: 100kHz to 500kHz
• Standby Power Consumption: <50mW
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TEA1533P/N1,112 IC has the following 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. DRV: Gate driver output for external MOSFET
7. VDD: Internal supply voltage for control circuitry
8. HV: High-voltage pin for startup and gate drive

Functional Features

• Integrated high-voltage startup circuit
• Pulse frequency modulation (PFM) operation for improved efficiency
• Overvoltage protection (OVP) and overcurrent protection (OCP)
• Soft-start function for controlled startup
• Adjustable output voltage through feedback pin
• Low standby power consumption in idle mode

Advantages and Disadvantages

Advantages: - High efficiency power management solution - Wide input and output voltage range - Compact DIP-8 package for easy integration - Low standby power consumption for energy-saving applications

Disadvantages: - Limited maximum output current (1.5A) - Requires external MOSFET for switching operation

Working Principles

The TEA1533P/N1,112 is a switched mode power supply (SMPS) controller IC. It operates by regulating the output voltage through feedback control. The internal high-voltage startup circuit ensures reliable startup even at low input voltages. The PFM operation allows the IC to switch between different pulse frequencies based on the load requirements, improving overall efficiency. The soft-start function gradually ramps up the output voltage during startup to prevent excessive inrush current.

Detailed Application Field Plans

The TEA1533P/N1,112 IC is commonly used in various power management applications, including:

1. Power adapters and chargers
2. LED lighting systems
3. Industrial power supplies
4. Consumer electronics
5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for TEA1533P/N1,112 are:

1. TEA1532P/N1,112
2. TEA1534P/N1,112
3. TEA1535P/N1,112
4. TEA1536P/N1,112
5. TEA1537P/N1,112

These alternative models offer similar functionality and characteristics, providing flexibility in design choices.

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