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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM TSOT23-6
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：20V
- Current - Output / Channel：100mA
- Frequency：1.2MHz
- Dimming：PWM
- Applications：Backlight, Camera Flash
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6 Thin, TSOT-23-6
- Supplier Device Package：TSOT-23-6
- Grade：-
- Qualification：-
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Overview
The RT9284B-20GJ6E is a high-performance constant current switching regulator designed for white LED applications. It operates within a supply voltage range of 2.7V to 5.5V and delivers an output current of 100mA per channel. The device features an internal switch and supports PWM dimming control. It functions at a switching frequency of 1.2MHz and provides an output voltage capability up to 20V. The component is housed in a compact TSOT-23-6 package and is rated for an operating temperature range of -40°C to 85°C.
Feature Summary
- Integrates an internal power switch for simplified external circuit design
- Supports precise PWM dimming for brightness control
- Delivers regulated constant current output for consistent LED performance
Applications
- LED backlighting systems
- Camera flash lighting circuits
Procurement Notes
Verify the specific suffix GJ6E against the manufacturer's official datasheet to confirm pinout compatibility and electrical specifications. Ensure the source document explicitly lists this part number variant, as suffixes often denote package type or temperature grade variations that affect interchangeability.
Selection Notes
Select this component when a compact solution is required for driving white LEDs with constant current regulation. The 100mA output rating suits low-power indicator or small display backlighting needs. Verify that the input voltage range aligns with the system's power supply rails before integration.
Part Context
This part belongs to the RT9284 series of LED drivers from Richtek Technology Corporation. The series is characterized by tiny packages and high efficiency for portable electronic devices. The B-20 variant specifically indicates the output voltage limit and current settings within the product family lineup.
Replacement Considerations
Cross-reference with RT9284B-15GJ6E for similar functionality but different current ratings. Verify pin-to-pin compatibility and electrical parameter alignment with any potential substitute components.
