onsemi MC34166THG DC DC Switching Regulators
Buck, Boost Switching Regulator IC Positive or Negative Adjustable 5.05V 1 Output 3.3A (Switch) TO-220-5 Formed Leads
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MC34166THG
Detailed Description
IC REG BUCK BST ADJ 3.3A TO220-5
Package
TO-220-5 Formed Leads
Key Features
Package / Case: TO-220-5 Formed Leads; Mounting Type: Through Hole
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
MC34166THG Datasheet
Quick Jump:
Technical Specifications
onsemi MC34166THG DC DC Switching Regulators technical specifications.
General
Series
MC33166
RoHS
Yes
Package / Case
TO-220-5 Formed Leads
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°C (TA)
Lifecycle Status
Active
Output Type
Adjustable
Max Input Voltage
40V
Output Current
3.3A (Switch)
Switching Frequency
72kHz
Alternate Parts Comparison (MC34166THG vs MC33166TV vs MC33167TH vs MC34166TV)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-220-5 Formed Leads | TO-220-5 Formed Leads | TO-220-5 Formed Leads | TO-220-5 Formed Leads |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Switching Frequency | 72kHz | 72kHz | 72kHz | 72kHz |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Function | Step-Up, Step-Down | Step-Up, Step-Down | Step-Up, Step-Down | Step-Up, Step-Down |
| Max Input Voltage | 40V | 40V | 40V | 40V |
| Min Input Voltage | 7.5V | 7.5V | 7.5V | 7.5V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive or Negative | Positive or Negative | Positive or Negative | Positive or Negative |
| Output Current | 3.3A (Switch) | 3.3A (Switch) | 5.5A (Switch) | 3.3A (Switch) |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC33167TVGonsemiSimilaronsemi
Pin NoPkg NoElec Yes
Buck/Boost/Inverting Regulator, 5A, 40V In, 40V Out, TO-220-5
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