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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM TSOT23-8
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.6V
- Voltage - Supply (Max)：13.2V
- Voltage - Output：18V
- Current - Output / Channel：500mA
- Frequency：1MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-8 Thin, TSOT-23-8
- Supplier Device Package：TSOT-23-8
- Grade：-
- Qualification：-
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Overview
The EL7513IWT-T7A is a constant current boost regulator IC designed for driving white LEDs. It supports driving up to four LEDs in series or up to twelve LEDs in parallel/series configurations. The device operates with a maximum supply voltage of 13.2V and provides an output voltage capability of 18V. It delivers a regulated output current of 500mA per channel. The unit features a switching frequency of 1MHz and supports PWM dimming functionality. It is housed in a TSOT23-8 package.
Feature Summary
- Constant current boost regulation architecture optimized for white LED driving applications
- Supports flexible LED configurations including series strings and parallel/series arrays
- Integrated pulse-width modulation (PWM) dimming control interface
Applications
- White LED backlighting systems
- Portable electronic device illumination
- General solid-state lighting modules
Procurement Notes
Verify component authenticity through authorized Renesas distributors due to obsolete status. Confirm RoHS compliance variant if required, as the base part may differ from lead-free versions. Check for available substitutes like the EL7513IWTZ-T7A which explicitly states ROHS3 compliance. Ensure design-in compatibility with existing PCB footprints for the TSOT23-8 package before finalizing procurement plans.
Selection Notes
Select this component for applications requiring high-efficiency white LED drive with precise current regulation. Consider the 500mA output capability and 1MHz switching frequency when designing magnetic components. Evaluate the thermal performance within the TSOT23-8 package constraints. Verify that the input voltage range aligns with the system's power supply rails and that PWM dimming signals are compatible with the driver's input requirements.
Part Context
This part belongs to the EL7513 family of LED drivers manufactured by Renesas Electronics Corporation. It is specifically engineered as a power management solution for portable electronics. The family focuses on providing efficient, compact solutions for white LED illumination needs in space-constrained devices.
Replacement Considerations
The EL7513IWTZ-T7A is a documented substitute offering ROHS3 compliance. Other potential replacements should be evaluated based on pin compatibility and electrical specifications matching the original boost regulator requirements.
