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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 8SOIC
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Down (Buck)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：8V
- Voltage - Supply (Max)：450V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：25kHz, 100kHz
- Dimming：Analog, PWM
- Applications：Backlight, Lighting, Signage
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The HV9910BLG-G is a universal high-brightness LED driver IC manufactured by Microchip Technology. It operates in a buck topology with a single output channel, supporting an input voltage range of 15 V to 450 V and a fixed switching frequency of 100 kHz. The device is housed in an SOIC-8 package and functions within a temperature range of -40°C to +125°C. It features adjustable output voltage and supports PWM dimming for constant current regulation.
Feature Summary
- Implements peak current control scheme for accurate LED current regulation
- Operates in constant off-time mode without requiring external loop compensation
- Supports analog and PWM dimming capabilities
Applications
- Driving OSRAM 6-chip or 4-chip OSTAR LEDs from 24V supply
- High brightness LED lighting systems
- Universal LED driver circuits
Procurement Notes
Verify the specific suffix 'BLG' against official Microchip documentation to confirm pinout and electrical characteristics. Confirm RoHS compliance status via the manufacturer's datasheet. Ensure the SOIC-8 package dimensions match your PCB footprint requirements before finalizing procurement decisions.
Selection Notes
Select this component for applications requiring a buck converter topology with wide input voltage support up to 450 V. It is suitable for designs needing simple control schemes with minimal external components. Consider the SOIC-8 package size and thermal dissipation capabilities when evaluating suitability for space-constrained or high-power LED implementations.
Part Context
This part belongs to the HV9910 series of universal high-brightness LED drivers. The series includes variants such as HV9910CLG-G and HV9910P-G, which share similar functional cores but differ in packaging options like PDIP-8 or other SOIC configurations. The BLG suffix specifically denotes the SOIC-8 tape and reel packaging format.
Replacement Considerations
The HV9910CLG-G is a documented variant within the same family, offering similar functionality in a different package configuration. Verify compatibility regarding pin assignments and thermal performance when substituting between these specific model numbers.
