MC34167T vs MC34166D2T

This in-depth comparison of the MC34167T and MC34166D2T provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

MC34167T

onsemi

Lifecycle: Active
Stock: 5929 PCS
Package: TO-220-5
Series: PMIC - Voltage Regulators - DC DC Switching Regulators

+BOM RFQ

Part B

MC34166D2T

onsemi

Lifecycle: Active
Stock: 2375 PCS
Package: TO-263-6
Series: PMIC - Voltage Regulators - DC DC Switching Regulators

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	MC34167T	MC34166D2T
Part Status	Obsolete	Obsolete
Function	Step-Up, Step-Down	Step-Up, Step-Down
Output Configuration	Positive or Negative	Positive or Negative
Topology	Buck, Boost	Buck, Boost
Output Type	Adjustable	Adjustable
Number of Outputs	1	1
Voltage - Input (Min)	7.5V	7.5V
Voltage - Input (Max)	40V	40V
Voltage - Output (Min/Fixed)	5.05V	5.05V
Voltage - Output (Max)	40V (Switch)	40V (Switch)
Current - Output	5.5A (Switch)	3.3A (Switch)
Frequency - Switching	72kHz	72kHz
Synchronous Rectifier	No	No
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
Mounting Type	Through Hole	Surface Mount

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