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THX201 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
THX201255Yes

THX201** is a high-performance, low-power offline PWM controller IC designed for power supply applications.

The THX201 is a high-performance, low-power offline PWM controller IC designed for power supply applications. Below are the manufacturer's specifications, descriptions, and features:

Manufacturer Specifications

  • Manufacturer: Texas Instruments (TI)
  • Package: DIP-8, SOP-8
  • Operating Voltage Range: 8V to 38V
  • Standby Power Consumption: < 100mW
  • Switching Frequency: Adjustable (typically 50kHz to 100kHz)
  • Maximum Duty Cycle: Up to 80%
  • Operating Temperature Range: -40°C to +105°C

Descriptions

The THX201 is a cost-effective, high-efficiency PWM controller optimized for low-power offline flyback and forward converters. It integrates multiple protection features, including over-voltage protection (OVP), under-voltage lockout (UVLO), and cycle-by-cycle current limiting. It is widely used in AC/DC adapters, standby power supplies, and auxiliary power modules.

Features

  • Low Startup Current: Enables fast power-up with minimal standby power.
  • Built-in Soft Start: Reduces inrush current during startup.
  • Frequency Jittering: Minimizes EMI emissions.
  • Auto-Restart Protection: Safeguards against faults like output short-circuit and over-voltage.
  • Cycle-by-Cycle Current Limiting: Enhances system reliability.
  • Wide VDD Range: Supports operation from 8V to 38V.
  • Green Mode Operation: Improves efficiency at light loads.

This information is based on the official datasheet and manufacturer documentation.

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