RT9284B-15GJ6E

Overview

The RT9284B-15GJ6E is a high-performance constant current switching regulator designed for white LED applications. It operates with a supply voltage range of 2.7V to 5.5V and delivers an output current of 100mA per channel. The device features a 1.2MHz switching frequency and supports PWM dimming control. It integrates an internal switch and utilizes a TSOT-23-6 package, suitable for surface mount installation within a temperature range of -40°C to 85°C.

Feature Summary

• Integrates an internal power switch for compact design
• Supports PWM dimming for brightness control
• Provides constant current regulation for white LEDs

Applications

• LED backlighting systems
• Camera flash lighting

Procurement Notes

Verify the specific suffix GJ6E against the manufacturer's latest datasheet to confirm pinout and electrical characteristics. Ensure the component meets RoHS3 compliance requirements for your assembly process. Cross-reference the part number with official Richtek documentation to avoid confusion with similar variants in the RT9284 series.

Selection Notes

Select this component when designing circuits requiring precise constant current drive for white LEDs in space-constrained environments. The 1.2MHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Ensure the input voltage remains within the 2.7V to 5.5V range for optimal operation.

Part Context

This part belongs to the RT9284 series of tiny package, high-performance constant current switching regulators. It is manufactured by Richtek Technology Corporation, also known as Richtek USA Inc. The series is specifically engineered for driving white LEDs in portable electronic devices where efficiency and size are critical factors.

Replacement Considerations

RT9284B-15GJ6 and RT9284B15GJ6 are listed as related parts with identical descriptions.