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STCH03 +BOM

Efficient power management with this 50mA PWM Controller

STCH03 Information

General Description

When it comes to offline quasi-resonant ZVS flyback converters, the STCH03 current-mode controller reigns supreme. With its innovative design and advanced features, this device combines a high-performance low-voltage PWM controller chip and a 650V HV start-up cell to deliver constant output voltage regulation through secondary side feedback. What sets the STCH03 apart is its ability to achieve constant output current regulation using primary-sensing feedback, eliminating the need for additional components. Operating at a maximum switching frequency below 154 kHz, the STCH03 ensures efficient performance even at light loads. Moreover, the device offers a range of protections such as overvoltage, overtemperature, and undervoltage protection, enhancing its reliability and safety in various applications

Key Features

  • Embedded start-up circuit
  • Zero power consumption
  • Accurate output OVP

Specifications

ECCN US EAR99 ECCN EU NEC
Packing Type Tube Grade Industrial
Package/Case SO-8

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