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Small square black QFN38 integrated circuit chip

YINGHUA

YINGHUA EN6337QI Switching regulator IC QFN38 semiconductor

SKU CH-63J7-42TBE

A switching regulator IC in a QFN38 package for power-management circuits

  • Product typeICs Semicoductors
  • Switching regulator IC in QFN38 package
  • IC semiconductor for power management applications
  • Manufacturer part number EN6337QI identifies this model
  • New condition component from YINGHUA brand
  • First listed by manufacturer in February 2025

EN6337QI Switching Regulator IC

The EN6337QI is a switching regulator integrated circuit housed in a QFN38 package. It is designed for engineers developing efficient DC-to-DC power conversion stages in electronic systems.

QFN38 package enables dense layouts

The 38-pin QFN footprint reduces board area compared to leaded alternatives and supports automated surface-mount assembly. This helps designers meet space constraints in compact power-supply modules.

Switching topology demands external components

The regulator requires external inductors, capacitors and feedback resistors to define output voltage and stability. Layout parasitic inductance and thermal paths must be managed carefully to achieve rated performance.

How it compares

Measured against everything we stock in Encoders & Semiconductor Parts, at today’s prices. Recalculated every night.

Price $89.99
Pricier than about 78% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

Will the QFN38 package require re-soldering or replacement during board maintenance?

The QFN38 package is surface-mounted; any replacement requires hot-air rework and a matching EN6337QI IC.

What thermal limit appears first when the EN6337QI runs continuously at full load?

The IC enters thermal shutdown once its junction temperature exceeds the internal protection threshold.

How much heat does the EN6337QI dissipate when regulating power all day?

Dissipation depends on input-output differential and load current; the QFN38 exposed pad must be soldered to a copper pour for heat spreading.

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