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Product Detailed Parameters
- Description：IC LED DRIVER OFFL SC74
- Series：GreenChip™
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- Type：AC DC Offline Switcher
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：9.5V
- Voltage - Supply (Max)：16V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：-
- Applications：Lighting
- Operating Temperature：-40°C ~ 160°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SC-74, SOT-457
- Supplier Device Package：SC-74
- Grade：-
- Qualification：-
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Overview
The SSL5031BTS/1X is a compact, high-power-factor, low-THD buck LED driver IC from NXP's GreenChip series. Designed for universal mains non-dimmable lighting applications up to 25 W, it operates in Boundary Conduction Mode (BCM) with on-time regulation. The device provides constant output current control with high accuracy and features adaptive switching frequency to optimize inductor size, efficiency, and EMI performance.
Feature Summary
- High power factor and low total harmonic distortion capabilities
- Boundary Conduction Mode operation with on-time regulation
- Adaptive switching frequency for component optimization
Applications
- Universal mains non-dimmable LED lamps
- Compact LED lighting fixtures
- General illumination applications up to 25 W
Procurement Notes
Verify the specific suffix against official documentation, as variations exist within the SSL5031 family. Confirm availability status, as certain revisions may be discontinued. Ensure compatibility with external MOSFETs and passive components required for BCM operation. Cross-reference datasheet revisions to confirm pinout and electrical characteristics match design requirements.
Selection Notes
Select this component for designs requiring high efficiency and low electromagnetic interference in space-constrained LED drivers. The adaptive switching frequency simplifies magnetics selection. Verify input voltage range compatibility with local mains standards. Ensure thermal management aligns with the package's dissipation capabilities under maximum load conditions.
Part Context
This part belongs to NXP's SSL5031 family of non-isolated buck controllers. It integrates precision control circuitry for direct drive from external capacitors. The GreenChip series emphasizes energy efficiency and compliance with global lighting regulations through advanced power factor correction techniques.
FAQ
What operating mode does the SSL5031BTS/1X utilize?
It operates in Boundary Conduction Mode (BCM) with on-time regulation to maintain constant output current.
Is the SSL5031BTS/1X suitable for dimmable applications?
No, it is specifically designed for universal mains non-dimmable lighting applications.
