UC2844BD1R2G

Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Ma

# UC2844BD1R2G – 52kHz 1A Current Mode PWM Controller – onsemi

The UC2844BD1R2G from onsemi is a high-performance current mode PWM controller engineered for efficient power management in demanding DC-DC conversion applications. Designed for reliability and precision, this IC offers exceptional control for step-up and step-down topologies, making it an ideal solution for modern power supply designs. PCX ensures fast shipping and reliable inventory for all your prototyping and production needs.

## Key Features
– **Voltage Supply Range:** 10V to 36V for broad compatibility
– **Switching Frequency:** Up to 500kHz for high-efficiency operation
– **Maximum Duty Cycle:** 48% for optimized power delivery
– **Output Type:** Transistor Driver for robust performance
– **Operating Temperature:** -25°C to 85°C (TA) for industrial applications
– **Package:** 8-SOIC (3.90mm Width) for compact surface mounting

## Technical Details
This current mode PWM controller features a single output with positive configuration, capable of isolation. It supports boost and flyback topologies, providing flexible design options. The UC2844BD1R2G includes frequency control and operates with a supply voltage as low as 10V, ensuring stability across varying conditions. Its surface-mount package (8-SOIC) is designed for automated assembly processes.

## Applications
– Switch-mode power supplies (SMPS)
– AC-DC and DC-DC converters
– Industrial power systems
– Telecommunications equipment
– Automotive electronics

## About the Manufacturer
onsemi is a global leader in energy-efficient technologies, delivering innovative semiconductor solutions for a sustainable future. With decades of expertise in power management, onsemi products are renowned for their reliability, performance, and adherence to stringent quality standards. Their commitment to research and development ensures cutting-edge solutions for the most challenging applications.

onsemi’s focus on automotive, industrial, and cloud-power markets has established them as a trusted partner for engineers worldwide. Their products are designed to meet rigorous environmental and operational demands, providing long-term stability and efficiency. Choosing onsemi means investing in technology backed by a legacy of excellence and forward-thinking innovation.

## About PWM Switching Controllers
PWM (Pulse Width Modulation) switching controllers are critical components in modern power supply design, regulating output voltage by adjusting the duty cycle of switching signals. They ensure efficient energy conversion, minimize heat generation, and enhance overall system reliability. These ICs are fundamental in applications requiring precise voltage control and high efficiency.

The UC2844BD1R2G exemplifies advanced current mode control, offering improved line and load regulation compared to voltage mode controllers. Its ability to handle high frequencies and varying topologies makes it indispensable in industries ranging from consumer electronics to automotive systems. Understanding the role of PWM controllers helps engineers optimize power management for performance and longevity.

## Packaging Options
Available in Tape & Reel (TR) and Cut Tape (CT) packaging to suit both high-volume production and prototyping requirements.

## Frequently Asked Questions
**Question:** What is the maximum switching frequency of the UC2844BD1R2G?
**Answer:** The UC2844BD1R2G supports switching frequencies up to 500kHz.

**Question:** Can this IC be used in automotive applications?
**Answer:** Yes, its operating temperature range and robustness make it suitable for automotive electronics.

**Question:** Does it require an external oscillator?
**Answer:** No, it has an internal oscillator with frequency control capabilities.

**Question:** What is the typical supply current?
**Answer:** Refer to the datasheet for detailed electrical characteristics, including supply current.

**Question:** Is this controller suitable for flyback converters?
**Answer:** Yes, it supports flyback topology among others.

**Question:** Are evaluation boards available for this product?
**Answer:** Contact PCX for information on development tools and support resources.

**Disclaimer:** Product image is representational; please refer to the datasheet for exact specifications.

**Datasheet:** [View UC2844BD1R2G Datasheet](https://www.pcxco.com/datasheets/uc2844bd1r2g.pdf)

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