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Small rectangular black MSOP10 IC with ten leads

YINGHUA

YINGHUA TPS57040QDGQRQ1 Switching Regulator 3.5-42Vin .5A MSOP10

SKU CH-SQYP-TF9W3

A switching regulator accepting 3.5 to 42 V input and delivering 0.5 A in a 10-pin MSOP package

  • Product typeICs Semicoductors
  • Wide 3.5-42 V input range suits many designs
  • 5 A output handles light loads efficiently
  • Compact MSOP-10 package saves board space
  • Automotive-grade Q1 qualifier meets strict reliability needs

Regulator for 3.5–42 V inputs

The YINGHUA TPS57040QDGQRQ1 is a switching regulator that accepts an input range of 3.5 to 42 V and delivers up to 0.5 A of output current. It is packaged in a 10-pin MSOP outline for compact board layouts. The device targets engineers who need a wide-input buck converter in a small footprint.

For space-constrained buck designs

This part suits designers building point-of-load supplies where the input may vary between 3.5 V and 42 V and the load stays below 0.5 A. It is not for applications that require higher output current or a different package style. Builders needing integrated FETs with larger current capability should look at other regulators.

How it compares

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

Price $50.99
Pricier than about 67% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

Will the 3.5 V to 42 V input range let this regulator run alongside my existing 5 V rail?

The input range covers 3.5 V to 42 V, so a 5 V rail falls well inside the operating window and the part can share that bus without exceeding its limits.

How do I confirm the 0.5 A output is regulating correctly after soldering the MSOP-10 package?

Measure the output voltage with a multimeter under load; a steady reading at the programmed set-point while drawing up to 0.5 A shows the regulator is working as intended.

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