AC-DC LED Drivers | FLS6617

Primary-Side-Regulation PWM with POWER MOSFET Integrated

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Overview

This third-generation Primary Side Regulation (PSR) and highly integrated PWM controller provides several features to enhance the performance of low-power flyback converters. The proprietary TRUECURRENT® technology of FLS6617 enables precise CC regulation and simplified circuit design for battery-charger applications leading to lower-cost, smaller, and lighter chargers, compared to a conventional design or a linear transformer.
To minimize standby power consumption, the proprietary green mode provides off-time modulation to linearly decrease PWM frequency under light-load conditions. Green mode assists the power supply in meeting power conservation requirements.
By using the FLS6617, a charger can be implemented with few external components and minimized cost.

  • Lighting
  • Low Standby Power under 30 mW
  • High-Voltage Startup
  • Fewest External Component Counts
  • Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry
  • Green-Mode: Linearly Decreasing PWM Frequency with Cycle Skipping
  • Fixed PWM Frequency at 50 kHz with Proprietary Frequency Hopping to Solve EMI Problem
  • Peak-Current-Mode Control in CV Mode
  • Cycle-by-Cycle Current Limiting
  • VDD Over-Voltage Protection with Auto Restart
  • VDD Under-Voltage Lockout (UVLO)
  • Gate Output Maximum Voltage Clamped at 15 V
  • Fixed Over-Temperature Protection with Auto Restart
  • Available in the 7-Lead SOP Package

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FLS6617MX

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Obsolete

CAD Model

Pb

A

H

P

SOIC-7

751ED

3

260

REEL

2500

N

PSR Flyback

50

500

500 VBVDS

13 Ω - RDSON

50

Price N/A

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