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Product Detailed Parameters
- Description：IC LED DRVR CTRLR 320MA SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：0.9V
- Voltage - Supply (Max)：2.2V
- Voltage - Output：20V
- Current - Output / Channel：320mA (Switch)
- Frequency：350kHz
- Dimming：-
- Applications：Backlight
- Operating Temperature：0°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The ZXLD381FHTA is a single or multi-cell LED driver IC manufactured by Diodes Incorporated. It features an adjustable output current capability of up to 320mA and supports a wide input voltage range extending up to 60V. The device utilizes Pulse Frequency Modulation (PFM) control for efficient operation. It is housed in a SOT-23-3 surface-mount package, designed for compact applications requiring precise LED regulation.
Feature Summary
- Supports single or multi-cell battery configurations
- Wide input voltage tolerance up to 60V
- Adjustable constant current output regulation
Applications
- Battery-powered high-brightness LED lighting
- Solar-powered illumination systems
- Portable low-power LED indicators
Procurement Notes
Verify the specific suffix 'FHTA' against the manufacturer's latest datasheet to confirm package type and tape/reel specifications. Confirm RoHS3 compliance status as per the most recent environmental declaration. Ensure the component matches the required input voltage range for your specific power source before integration.
Selection Notes
Select this component when designing circuits powered by single or multiple series-connected cells requiring up to 60V input. It is suitable for applications needing adjustable current regulation up to 320mA in a minimal footprint. Consider thermal management requirements associated with the SOT-23-3 package under maximum load conditions.
Part Context
This part belongs to the ZXLD38x family of LED drivers from Diodes Incorporated, designed for simple, cost-effective solutions for low-power LED applications. It complements other variants like the ZXSC380 series but offers higher current capacity and wider input voltage support compared to lower-end models in the portfolio.
Replacement Considerations
Check for direct pin-compatible substitutes within the ZXLD38x series. Verify if alternative packages such as TSOT-23-3 are available from the same manufacturer if space constraints change. Ensure any replacement maintains the 60V input rating and 320mA output capability.
