Controllers | FSEZ1317A

Primary-Side-Regulation PWM Controller with MOSFET Integrated with improved EMI performance

Obsolete

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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 topology, TRUECURRENT®, of the FSEZ1317A enables precise CC regulation and simplified circuit design for battery-charger applications. A lower-cost, smaller, and lighter charger results, compared to conventional designs 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 FSEZ1317A, a charger can be implemented with few external components and minimized cost.

  • Mobile Handsets
  • Lighting

  • Low Standby Power Under 30mW
  • High-Voltage Startup
  • Few External Components
  • Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry
  • Green-Mode: Linearly Decreasing PWM Frequency
  • Fixed PWM Frequency at 50kHz with Frequency Hopping to Solve EMI Problem
  • Cable Compensation in CV Mode
  • 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 15V
  • Fixed Over-Temperature Protection with Auto Restart
  • Available in the 7-Lead SOP Package

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FSEZ1317AMY-F116

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Obsolete

CAD Model

Pb

A

H

P

SOIC-7

751ED

3

260

REEL

2500

N

-

-

-

15

17

-

Price N/A

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