XL1509E-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The XL1509E-ADJ is a synchronous buck DC-DC converter manufactured by UMW, designed for high-efficiency power conversion. It operates with an input voltage range of 4.5V to 40V and provides a fixed switching frequency of 150kHz. The device delivers up to 3A output current in its adjustable configuration, allowing output voltages from 1.193V upwards. It features a compact 8-SOIC package (3.90mm width) and supports surface mount installation. The component functions within a junction temperature range of -40°C to +125°C, ensuring reliable performance in demanding environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for enhanced efficiency
• Wide input voltage capability supporting diverse power sources
• Adjustable output voltage via external resistor network
• Built-in thermal shutdown and overcurrent protection

Voltage Regulators - DC DC Switching Regulators Applications

• LCD television and display panels
• Digital photo frames
• Set-top boxes
• Router power supplies
• Communication equipment power systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix E1 indicates lead-free compliance when sourcing. Confirm the package type matches the required 8-SOIC footprint for PCB layout. Ensure the supplier provides official datasheets confirming the 3A output rating for the ADJ variant. Check RoHS status documentation for regulatory compliance requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 40V is required alongside high output current capabilities. The adjustable output feature allows flexibility for various system voltage needs. Consider the 150kHz switching frequency for balancing component size and efficiency. Verify that the thermal management solution supports the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

The XL1509 series includes fixed voltage variants such as 3.3V, 5V, and 12V, alongside the adjustable ADJ version. This family serves as a versatile solution for general-purpose DC-DC conversion tasks. The E1 suffix typically denotes environmental compliance attributes. The series is widely used in consumer electronics and industrial applications requiring robust power regulation.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The XL1509-ADJ is listed as a parameter-equivalent substitute by the manufacturer. Cross-reference pinouts and electrical specifications before substitution. Verify package compatibility and thermal characteristics to ensure seamless integration into existing designs.