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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsMC34166THG
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MC34166THG - onsemi

Manufacturer Part Number
MC34166THG
Manufacturer
onsemi
Allelco Part Number
32D-MC34166THG
ECAD Model
Parts Description
IC REG BUCK BST ADJ 3.3A TO220-5
Package
TO-220-5 Formed Leads
Data sheet
Cylindrical Battery Holders.pdf
MC34166, 33166.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 14823

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Specifications

MC34166THG Tech Specifications
onsemi - MC34166THG technical specifications, attributes, parameters and parts with similar specifications to onsemi - MC34166THG

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage - Output (Min/Fixed) 5.05V  
Voltage - Output (Max) 40V (Switch)  
Voltage - Input (Min) 7.5V  
Voltage - Input (Max) 40V  
Topology Buck, Boost  
Synchronous Rectifier No  
Supplier Device Package TO-220-5 Horizontal  
Series -  
Package / Case TO-220-5 Formed Leads  
Product Attribute Attribute Value  
Package Tube  
Output Type Adjustable  
Output Configuration Positive or Negative  
Operating Temperature 0°C ~ 70°C (TA)  
Number of Outputs 1  
Mounting Type Through Hole  
Function Step-Up, Step-Down  
Frequency - Switching 72kHz  
Current - Output 3.3A (Switch)  
Base Product Number MC34166  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) Not Applicable
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

MC34166THG

Manufacturer

onsemi

Introduction

The MC34166THG is a versatile DC DC switching regulator designed for power management applications capable of step-up and step-down functions.

Product Features and Performance

Supports both Buck and Boost topologies

Adjustable output voltage from 5.05V to 40V

Operates with input voltages ranging from 7.5V to 40V

Output current capability of 3.3A (Switch)

72kHz switching frequency for efficient power conversion

Able to provide positive or negative output configurations

Product Advantages

Flexibility in supporting multiple topologies allows for a wide range of applications

Adjustable output facilitates customization to specific design requirements

Capable of operating across a diverse range of input voltages

Key Technical Parameters

Topology: Buck, Boost

Output Type: Adjustable

Number of Outputs: 1

Input Voltage (Min): 7.5V

Input Voltage (Max): 40V

Output Voltage (Min/Fixed): 5.05V

Output Voltage (Max): 40V (Switch)

Output Current: 3.3A (Switch)

Switching Frequency: 72kHz

Operating Temperature Range: 0°C ~ 70°C (TA)

Quality and Safety Features

Through Hole mounting for reliable soldering and mechanical stability

Encased in a TO-220-5 Formed Leads package to enhance thermal performance and safety

Compatibility

Package / Case: TO-220-5 Formed Leads suitable for various PCB designs

Through Hole Mounting Type compatible with standard soldering processes

Application Areas

Used in diverse electronics requiring regulated power supply

Suitable for consumer, industrial, and telecommunications equipment

Product Lifecycle

Product Status: Obsolete

Potential for replacements or upgrades to be researched due to obsolescence

Several Key Reasons to Choose This Product

MC34166THG's versatility in voltage regulation for both step-up and step-down applications

Wide input voltage range that accommodates diverse electronic equipment

Adjustable output voltage for greater precision in power supply design

High output current rating of 3.3A suitable for higher power applications

Reliable packaging and mounting options for secure installation

Proven manufacturer with a reputation for quality in power management solutions

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi MC34166THG

Product Attribute MC34166THG MC34166D2TR4G MC34166D2T MC34167TG
Part Number MC34166THG MC34166D2TR4G MC34166D2T MC34167TG
Manufacturer onsemi onsemi onsemi onsemi
Voltage - Output (Min/Fixed) 5.05V 5.05V 5.05V 5.05V
Output Type Adjustable Adjustable Adjustable Adjustable
Output Configuration Positive or Negative Positive or Negative Positive or Negative Positive or Negative
Voltage - Input (Max) 40V 40V 40V 40V
Base Product Number MC34166 MC34166 MC34166 MC34167
Number of Outputs 1 1 1 1
Voltage - Output (Max) 40V (Switch) 40V (Switch) 40V (Switch) 40V (Switch)
Package Tube Tape & Reel (TR) Tube Tube
Frequency - Switching 72kHz 72kHz 72kHz 72kHz
Topology Buck, Boost Buck, Boost Buck, Boost Buck, Boost
Current - Output 3.3A (Switch) 3.3A (Switch) 3.3A (Switch) 5.5A (Switch)
Series - - - -
Supplier Device Package TO-220-5 Horizontal D2PAK-5 D2PAK-5 TO-220-5
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Voltage - Input (Min) 7.5V 7.5V 7.5V 7.5V
Package / Case TO-220-5 Formed Leads TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-220-5
Synchronous Rectifier No No No No
Mounting Type Through Hole Surface Mount Surface Mount Through Hole
Function Step-Up, Step-Down Step-Up, Step-Down Step-Up, Step-Down Step-Up, Step-Down

MC34166THG Datasheet PDF

Download MC34166THG pdf datasheets and onsemi documentation for MC34166THG - onsemi.

Datasheets
Cylindrical Battery Holders.pdf
Environmental Information
onsemi RoHS.pdf onsemi REACH.pdf Material Declaration MC34166THG.pdf
PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf
HTML Datasheet
MC34166, 33166.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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MC34166THG

onsemi
32D-MC34166THG

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