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Product Detailed Parameters
- Description：IC LED DRVR OFFL PWM 400MA 8SOP
- Series：-
- Mfr：Sanken Electric USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：AC DC Offline Switcher
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：25V
- Voltage - Supply (Max)：400V
- Voltage - Output：-
- Current - Output / Channel：400mA
- Frequency：200kHz
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：8-SOP
- Grade：-
- Qualification：-
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Overview
The LC5205S is an AC-DC offline switcher IC designed for non-isolated LED driver applications. It utilizes a buck topology to regulate current, supporting a maximum output of 400mA. The device operates within a supply voltage range of 25V to 400V and features an internal power switch. It supports PWM dimming and functions at a switching frequency of 200kHz. The component is housed in an 8-SOP package with surface mount installation and maintains an operating temperature range from -40°C to 105°C.
Feature Summary
- Integrates an internal power switch for compact non-isolated AC-DC conversion
- Supports PWM dimming control for precise LED brightness adjustment
- Utilizes buck topology for efficient step-down voltage regulation
Applications
- Non-isolated LED lighting systems powered by commercial AC supplies
- General illumination fixtures requiring constant current drive
- Commercial power supply based LED drivers
Procurement Notes
Verify the specific suffix designation against official Sanken Electric documentation to confirm pinout compatibility and package dimensions. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Check for any product change notices or end-of-life notifications that may affect long-term availability and sourcing strategies.
Selection Notes
Select this component for designs requiring a single-output non-isolated buck converter driven directly from AC mains. Ensure the input voltage range aligns with local commercial power standards. Verify that the 400mA output current meets the target LED string requirements. Consider thermal management capabilities given the 105°C maximum junction temperature rating.
Part Context
The LC5205S belongs to the LC5200 series of power ICs manufactured by Sanken Electric USA Inc. This series is specifically engineered for non-isolated LED driver applications using commercial power supplies. The family includes variants such as the LC5205D, which offers similar functionality but in a different package configuration.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official manufacturer channels for recommended alternatives or cross-reference options.
