MC33067DW

Name: MC33067DW
Brand: Onsemi
Rating: 4.5 (10 reviews)
Author: Lisleapex

High efficiency power management

5,224 Effective Inventory

MC33067DW

Effective Inventory5,224

High efficiency power management

Manufacturer Part # : MC33067DW
Package/Case: SOIC-Wide-16
Brand: Onsemi
Product Categories : DC DC Switching Controllers
Series : MC33067

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MC33067DW DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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MC33067DW Details

The MC33067DW is a versatile voltage regulator and controller IC from ON Semiconductor, designed for use in switching power supply applications. This IC offers features such as adjustable output voltage, overvoltage protection, and thermal shutdown. It is housed in a SOIC-16 package, making it suitable for various power management implementations.

Pinout

1 (VCC): Positive Power Supply
2 (FB): Feedback Pin
3 (VLIM): Voltage Limit Pin
4 (RT/CT): Oscillator Timing Components
5 (GND): Ground
6 (COMP): Compensation Pin
7, 8 (NC): No Connection
9, 10, 11, 12 (NC): No Connection
13 (OUTPUT): Regulated Output
14 (DTC): Dead Time Control
15 (SD/VCC): Soft-Start/Shutdown Control
16 (VREF): Reference Voltage Output

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Adjustable Output Voltage: Allows for flexibility in output voltage settings.
Overvoltage Protection: Protects the circuit from excessive voltage levels.
Thermal Shutdown: Ensures safe operation by preventing overheating.
Internal Oscillator: Integrated oscillator for simplified design and operation.
Soft-Start Capability: Enables gradual startup to prevent sudden load disturbances.

Application

Switching Power Supplies: Ideal for use in various switching power supply designs.
Voltage Regulators: Used in voltage regulator circuits for stable output voltage.
Power Management Systems: Suitable for power management applications requiring efficient regulation.

Where to Use

The MC33067DW is recommended for applications that demand precise voltage regulation and protection features. It is commonly used in power supplies, voltage regulators, and power management systems to ensure reliable and stable operation.

How to Use

Integrate the MC33067DW into your circuit by connecting the necessary pins as per the application requirements. Configure the output voltage and protection features based on your design needs. Utilize the soft-start and thermal shutdown functionality to enhance system reliability. For detailed usage guidelines, consult the datasheet.

Application Circuit

The application circuit diagram for the MC33067DW illustrates the connections and components required for proper operation in a switching power supply setup. It includes connections for power inputs, outputs, and control signals to ensure correct functionality.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LM2596: A similar voltage regulator IC offering adjustable output and protection features.
LM2678: An alternative controller IC with comparable functionality for power supply applications.

Complementary

The MC33067DW can be paired with the MC34063A for enhanced power supply capabilities, providing efficient voltage regulation and control in complex systems.

When selecting complementary components, ensure compatibility and alignment with your system requirements for optimal performance.

Frequently Asked Questions

Q: What is the output voltage range supported by the MC33067DW?

A: The MC33067DW offers adjustable output voltage within a specified range. Consult the datasheet for detailed information on voltage settings and limits.

Q: Can the MC33067DW be used in automotive applications?

A: While the MC33067DW is primarily designed for general power supply applications, it can be utilized in automotive systems with proper consideration of environmental factors and operating conditions.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Switching Controllers	RoHS	N
Input Voltage	20 V	Output Voltage	5 V to 5.2 V
Mounting Style	SMD/SMT	Package / Case	SOIC-Wide-16
Brand	onsemi	Product Type !	Switching Controllers
Factory Pack Quantity	47	Subcategory	PMIC - Power Management ICs
Type	High Performance Resonant Mode Controller	Unit Weight	0.019312 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification MC33067DW PDF Download

FAQs

What is MC33067DW?

The MC33067DW is a high-performance push-pull PWM controller designed by ON Semiconductor. It is commonly used in applications such as DC-DC converters, power supplies, and motor control circuits.

How Does MC33067DW Work?

The MC33067DW operates by generating PWM (Pulse Width Modulation) signals to control the power delivered to the load. It includes features such as overcurrent protection, thermal shutdown, and adjustable dead time for reliable and efficient power management.

How Many Pins does MC33067DW have and What are the Functions of the Pinout Configuration?

The MC33067DW is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VCC: Power supply pin.
GND: Ground pin.
COMP: Error amplifier output pin.
FB: Feedback input pin.
RT/CT: External resistor/capacitor timing components pin.
SD/EN: Shutdown/Enable pin.
IN-: Inverting input pin for the oscillator.
IN+: Non-inverting input pin for the oscillator.
CT: Timing capacitor pin.
RT: Timing resistor pin.
OUT: Output pin.

What are the Pros and Cons of MC33067DW?

Pros:

High Performance: Offers high-quality PWM control for various power management applications.
Overcurrent Protection: Includes overcurrent protection for enhanced system reliability.
Adjustable Dead Time: Provides flexibility in dead time adjustment for optimal power conversion.
Thermal Shutdown: Features thermal shutdown protection for added safety.

Cons:

External Components: May require additional external components for specific application requirements.
Package Size: The 16-pin SOIC package may be larger than other package options, impacting board space.
Complexity: Requires careful consideration of layout and thermal management for reliable operation.

Are There Any Equivalents/Alternatives to MC33067DW for Recommendation?

The SG3525A from STMicroelectronics is a similar push-pull PWM controller offering equivalent functionality.
Alternatives to the MC33067DW include the UC3525A from Texas Instruments and the IR2153 from Infineon Technologies.