TEA1733CP/N1,112

Product Overview

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

Specifications

• Input Voltage Range: 7 V to 18 V
• Output Voltage Range: 5 V to 15 V
• Maximum Output Current: 1.5 A
• Frequency Range: 50 kHz to 150 kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. GND: Ground
2. VCC: Supply voltage input
3. CS: Current sense input
4. FB: Feedback input
5. COMP: Compensation pin
6. DRV: Gate driver output
7. HV: High-voltage startup supply
8. DRAIN: Power MOSFET drain connection

Functional Features

• Integrated high-voltage startup circuit
• Adjustable overcurrent protection
• Built-in frequency jittering for reduced EMI
• Soft-start function for controlled startup
• Auto-restart feature for fault protection

Advantages and Disadvantages

Advantages: - High efficiency leading to energy savings - Low standby power consumption - Wide input and output voltage range - Compact package size for space-constrained applications

Disadvantages: - Limited maximum output current of 1.5 A - Requires external components for complete power supply implementation

Working Principles

The TEA1733CP/N1,112 is a switched mode power supply (SMPS) controller IC. It operates by regulating the power flow from an input source to an output load through a power MOSFET. The IC uses a feedback mechanism to maintain the desired output voltage by adjusting the duty cycle of the MOSFET. It also incorporates various protection features to ensure safe operation.

Detailed Application Field Plans

The TEA1733CP/N1,112 is commonly used in various power management applications, including but not limited to: - AC-DC adapters - LED lighting - Set-top boxes - Audio equipment - Industrial power supplies

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to TEA1733CP/N1,112 are: - TEA1733CT/N1,112: Similar specifications and features, but in a different package (SOT-89) - TEA1753T/N1,112: Higher maximum output current (2 A) with similar functionality - TEA1761T/N1,112: Lower standby power consumption with comparable specifications

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