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STMicroelectronics MC34 Series

8 variants · STMicroelectronics

About the STMicroelectronics STMicroelectronics MC34 Series series

The STMicroelectronics STMicroelectronics MC34 Series series groups 8 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common current - output of 1.5A (Switch), frequency of 33kHz and function of Step-Up, Step-Down. Variants differ by case, mounting type and operating temperature, so you can match the exact case your application requires using the selection guide below. All listed STMicroelectronics MC34 Series part numbers are active and orderable.

Select a variant by

Case
8-DIP (0.300\", 7.62mm) · 8-SOIC (0.154\", 3.90mm Width)
Mounting type
Surface Mount · Through Hole
Operating temperature
-40°C ~ 85°C (TA) · -40°C ~ 125°C (TA) · -40°C~85°C(TA) · -40°C~125°C(TA) · 0°C ~ 70°C (TA) · 0°C~70°C(TA)
Package
Tape & Reel (TR); Cut Tape (CT) · Tube

Variant comparison

ParameterMC34063ABD-TRMC34063ABNMC34063ACD-TRMC34063ACNMC34063EBD-TRMC34063EBN
Case8-SOIC (0.154\", 3.90mm Width)8-DIP (0.300\", 7.62mm)8-SOIC (0.154\", 3.90mm Width)8-DIP (0.300\", 7.62mm)8-SOIC (0.154\", 3.90mm Width)8-DIP (0.300\", 7.62mm)
Mounting typeSurface MountThrough HoleSurface MountThrough HoleSurface MountThrough Hole
Operating temperature-40°C~85°C(TA)-40°C ~ 85°C (TA)0°C~70°C(TA)0°C ~ 70°C (TA)-40°C~125°C(TA)-40°C ~ 125°C (TA)
PackageTape & Reel (TR); Cut Tape (CT)TubeTape & Reel (TR); Cut Tape (CT)TubeTape & Reel (TR); Cut Tape (CT)Tube

Shared specifications

Current - output
1.5A (Switch)
Frequency
33kHz
Function
Step-Up, Step-Down
Number of outputs
1
Output configuration
Positive or Negative
Output type
Adjustable
Synchronous rectifier
No
Topology
Buck, Boost
Voltage - input
40V
Voltage - output
38V
Voltage - output (Min (Fixed))
1.25V

Request a quote on any STMicroelectronics MC34 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the STMicroelectronics STMicroelectronics MC34 Series variants differ?
STMicroelectronics MC34 Series part numbers differ by case, mounting type, operating temperature and package. Use the selection guide above to pick by case.
How many STMicroelectronics STMicroelectronics MC34 Series part numbers are listed?
8 STMicroelectronics STMicroelectronics MC34 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for STMicroelectronics STMicroelectronics MC34 Series?
Request a quote (RFQ) for any STMicroelectronics MC34 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants