ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC LED DRIVER OFFL PWM 16SOIC
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)
- Type：AC DC Offline Switcher
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：4
- Voltage - Supply (Min)：90VAC
- Voltage - Supply (Max)：305VAC
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Analog, PWM, TRIAC
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：16-SOIC-EP
- Grade：-
- Qualification：-
Download product information
Overview
The FL77944MX is an AC-DC LED driver IC from onsemi, designed for direct AC drive applications in solid-state lighting. It integrates a PFC controller and supports phase-cut dimming. The device operates with Boost, Buck, or Flyback topologies and delivers up to 180 mA output current. It functions within a supply voltage range of 20 V and switches at 70 kHz. The output voltage ranges from 1.5 V to 5 V. Operating temperatures span from -40°C to +125°C. The component is housed in an SOP-16 package.
Feature Summary
- Supports phase-cut dimming capabilities for smart lighting systems
- Integrates short circuit and thermal protection mechanisms
- Enables compact designs by eliminating magnetic components and electrolytic capacitors
- Provides high power factor and low total harmonic distortion
Applications
- Recessed downlights
- High bay lights
- Cove lighting
- Street and tunnel lighting
Procurement Notes
Verify the specific ordering suffix against the official onsemi datasheet to ensure correct packaging and temperature grade. Confirm that the SOP-16 package variant matches the design requirements. Check RoHS compliance status directly from the manufacturer's documentation before procurement.
Selection Notes
Select this component for applications requiring direct AC drive without bulky magnetics. Ensure the design accommodates the 70 kHz switching frequency. Verify compatibility with phase-cut dimmers if dimmable functionality is required. Consider the thermal management needs given the operating temperature range.
Part Context
This part belongs to the FL779xx series of direct AC drivers. These solutions aim to reduce bill of materials and system size. The series targets commercial and outdoor lighting markets. It replaces traditional SMPS architectures by integrating control functions into a single IC.
Replacement Considerations
Consult the onsemi website for updated part numbers due to Fairchild integration changes. Verify if underscore variants require dash substitution. No direct public substitute part numbers are confirmed in the provided data.
