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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM 80MA 24SO
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：3
- Voltage - Supply (Min)：100V
- Voltage - Supply (Max)：160V
- Voltage - Output：200V
- Current - Output / Channel：80mA
- Frequency：500kHz
- Dimming：PWM
- Applications：Backlight, Lighting
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：24-SO
- Grade：-
- Qualification：-
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Overview
The HV9980WG-G is a three-channel LED array driver IC manufactured by Microchip Technology. It utilizes a buck topology to regulate current for high-voltage applications. The device supports an input voltage range of 100 V to 160 V and can drive outputs up to 200 V. Each channel provides an output current of 80 mA at a switching frequency of 500 kHz. It operates within a temperature range of -40°C to +85°C and is housed in a 24-pin SOIC-Wide package.
Feature Summary
- Integrates three independent constant current channels for driving LED arrays
- Supports PWM dimming control for brightness adjustment
- Includes built-in short circuit and thermal protection mechanisms
Applications
- High-voltage LED lighting systems
- Industrial LED array drivers
- General illumination circuits requiring buck conversion
Procurement Notes
Verify the specific ordering suffix and package variant against the manufacturer's latest datasheet before procurement. Confirm that the required quantity aligns with the standard reel packaging specifications provided by the supplier. Ensure compliance with RoHS directives and check for any moisture sensitivity level requirements during storage and handling procedures.
Selection Notes
Select this component when designing circuits that require simultaneous regulation of multiple LED strings from a high-voltage DC source. The integrated buck topology simplifies design compared to discrete solutions. Ensure the application environment stays within the specified operating temperature limits and that the PCB layout accommodates the thermal dissipation requirements of the SOIC-Wide package.
Part Context
This part belongs to Microchip's family of LED lighting driver ICs, specifically designed for high-voltage applications. It serves as a dedicated solution for managing power distribution to LED arrays where precise current control and high efficiency are critical. The device integrates necessary protection features to enhance system reliability in demanding lighting environments.
Replacement Considerations
Consult official Microchip documentation for verified cross-reference part numbers. Do not assume functional equivalence with other LED drivers without verifying pin compatibility and electrical specifications.
