DC/DC Controller, 3A, 40V In, TO-220-5 Product overview: MC34166THG from onsemi is a Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 3A, 40V, TO-220. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 3A, 40V, TO-220, Voltage Regulator IC, DC Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 739-MC34166THG can be used for catalog matching and distributor lookup.
Manufacturer: ON Semiconductor
Win Source Part Number: 1073520-MC34166THG
Packaging: Tube/Rail
Mounting: Through Hole
Output Type: Adjustable
Topology: Buck, Boost
Frequency - Switching: 72kHz
Number of Outputs: 1
Synchronous Rectifier: No
Output Current: 3.3A (Switch)
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: 0°C to 70°C (TA)
Case / Package: TO-220-5 Horizontal
Purpose: Step-Up, Step-Down
Maximum Input Voltage: 40V
Nominal Output Voltage (Min/Fixed): 5.05V
Maximum Output Voltage: 40V (Switch)
Minimum Input Voltage: 7.5V
Popularity: Medium
Fake Threat In the Open Market: 31 pct.
Supply and Demand Status: Limited
Buck / Boost / Inverting Regulator, Switching, 3.0A
Buck, Boost Switching Regulator IC Positive or Negative Adjustable 5.05V 1 Output 3.3A (Switch) TO-220-5 Formed Leads
IC REG BUCK BST ADJ 3.3A TO220-5
IC REG BUCK BST ADJ 3.3A TO220-5
Buck, Boost Switching Regulator IC Positive or Negative Adjustable 5.05V 1 Output 3.3A (Switch) TO-220-5 Formed Leads
IC REG BUCK BST ADJ 3.3A TO220-5
Switching Voltage Regulators 40V 3A Buck/Boost/Inverting
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Rochester Electronics | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | ODG (Origin Data Global) | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | IC Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | 739-MC34166THG | 1073520-MC34166THG | MC34166THG | MC34166THG-ND | MC34166THG | MC34166THG | MC34166THG | MC34166THG | MC34166THG |
| Product Name | 3A 40V TO-220 Voltage Regulator IC | PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - MC34166THG | Voltage Regulators - DC DC Switching Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators | Switching Voltage Regulators | |
| Output Voltage Type | Fixed; Adjustable / Variable | Adjustable / Variable; Adjustable | Adjustable / Variable | Adjustable / Variable; Adjustable | Adjustable / Variable | ||||
| Package Type | Other; TO-220-5 | TO-220; Other; TO-220-5 Horizontal | TO-220; Other; TO-220 5 LEAD (THA5) | TO-220; Other; TO-220-5 Formed Leads | TO-220 | TO-220; Other; TO-220-5 Formed Leads | TO-220; Other; TO-220-5 Formed Leads | ||
| Output Voltage | 40 volts | 5.05 volts | 5.05 to 40 volts | 5.05 volts | 5.05 to 40 volts | 5.05 volts | |||
| IOUT | 3 amps | 3.3 amps | 3.3 amps | 3.3 amps | 3.3 amps | 3.3 amps | 3.3 amps | ||
| Operating Temperature | 0 C (32 F) | 0 to 70 C (32 to 158 F) | 0 to 70 C (32 to 158 F) | 0 to 70 C (32 to 158 F) | 0 to 70 C (32 to 158 F) | 0 to 70 C (32 to 158 F) |
