VIPER53ESPTR-E

Product Overview

• Category: Power Management IC
• Use: Voltage Regulator for Offline Converters
• Characteristics: High Efficiency, Low Standby Power Consumption
• Package: TO-220
• Essence: Integrated Switching Regulator with Built-in Power MOSFET
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 85V to 265V AC
• Output Voltage: Adjustable from 3.3V to 30V DC
• Output Current: Up to 3A
• Switching Frequency: 60kHz to 200kHz
• Operating Temperature Range: -40°C to +150°C
• Protection Features: Overvoltage Protection, Overcurrent Protection, Thermal Shutdown

Detailed Pin Configuration

1. VCC: Supply Voltage Input
2. GND: Ground
3. FB: Feedback Pin for Output Voltage Regulation
4. CS: Current Sense Pin for Overcurrent Protection
5. EN/UVLO: Enable/Input Undervoltage Lockout
6. COMP: Compensation Pin for Loop Stability
7. DRAIN: Drain Pin for Power MOSFET
8. SOURCE: Source Pin for Power MOSFET

Functional Features

• Integrated high-voltage power MOSFET
• Pulse frequency modulation control
• Built-in protection features for reliable operation
• Low standby power consumption in idle mode
• Soft-start function for controlled startup
• Auto-restart feature for fault recovery

Advantages and Disadvantages

Advantages: - High efficiency conversion - Wide input voltage range - Compact TO-220 package - Comprehensive protection features - Low standby power consumption

Disadvantages: - Limited output current capacity (up to 3A) - Requires external components for operation - Relatively high switching frequency

Working Principles

The VIPER53ESPTR-E is a voltage regulator designed for offline converters. It operates by converting high-voltage AC input into regulated DC output. The integrated power MOSFET allows for efficient power conversion with minimal losses. The device utilizes pulse frequency modulation control to regulate the output voltage accurately.

During operation, the feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal power switch accordingly. This ensures stable and precise output voltage regulation. The current sense pin (CS) provides overcurrent protection by monitoring the load current and triggering the necessary protective measures.

The VIPER53ESPTR-E also incorporates various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown. These safeguards enhance the reliability and safety of the system.

Detailed Application Field Plans

The VIPER53ESPTR-E finds applications in various fields, including:

1. Power supplies for consumer electronics
2. Industrial automation systems
3. LED lighting solutions
4. Home appliances
5. Automotive electronics
6. Telecommunication equipment

Its compact package and high efficiency make it suitable for space-constrained applications where energy efficiency is crucial.

Alternative Models

1. VIPER53ESTR-E: Similar specifications but in a smaller TO-220FP package.
2. VIPER53EDIP-E: DIP-8 package variant for through-hole mounting.
3. VIPER53E-E: Economy version with reduced features and lower cost.

These alternative models provide flexibility in choosing the most suitable option based on specific application requirements.

In conclusion, the VIPER53ESPTR-E is a versatile power management IC that offers high efficiency and reliable voltage regulation for offline converters. Its comprehensive protection features, compact package, and wide range of applications make it a popular choice in various industries.

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