Fairchild Semiconductor
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FSEZ1016A
Primary Side Regulation PWM with Power MOSFET Integrated

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Contents

General Description
Features
Applications
Product Status/Pricing/Packaging
Order Samples
Application Notes
Qualification Support

General Description

This highly integrated PWM controller provides several features to enhance the performance of low-power flyback converters. The proprietary topology of FSEZ1016A enables simplified circuit design especially for battery-charger applications. A low-cost, smaller, and lighter charger is the result when compared to a conventional design or a linear transformer. The startup current is only 10µA, which allows large startup resistance for further power saving.

To minimize the standby power consumption, the proprietary green-mode function provides off-time modulation to linearly decrease PWM frequency under light-load conditions. This green mode function assists the power supply in meeting power conservation requirements.

By using FSEZ1016A, a charger can be implemented with few external components and minimized cost.

FSEZ1016A series controller is available in the 7-pin SOIC package.

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Features

  • Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry
  • Accurate Constant Current Achieved by Fairchild’s Proprietary TRUECURRENTTM Technique
  • Green-Mode Function: PWM Frequency Linearly Decreasing
  • Fixed PWM Frequency at 42kHz with Frequency Hopping to Solve EMI Problems
  • Cable Compensation in CV Mode
  • Low Startup Current: 10µA
  • Low Operating Current: 3.5mA
  • Peak-Current-Mode Control in CV Mode
  • Cycle-by-Cycle Current Limiting
  • VDD Over-Voltage Protection (OVP) with Auto-Restart
  • VDD Under-Voltage Lockout (UVLO)
  • Fixed Over-Temperature Protection (OTP) with Latch
  • SOIC-7 Package Available

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Applications

  • Battery Chargers for Cellular Pones, Cordless Phones, PDA, Digital Cameras, Power Tools
  • Best Choice to Replaces Linear Transformer and RCC SMPS

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Product Status/Pricing/Packaging      buy now

ProductProduct statusEco StatusPricing*Package typeLeadsPacking methodPackage DrawingPackage Marking Convention**
FSEZ1016AMYFull ProductionGreen$0.53SOIC7TAPE REEL PDFLine 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: EZ1016A Line 3: MYK
FSEZ1016ANYPreliminaryGreenN/ADIP7RAIL PDFLine 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: EZ1016A Line 3: NYK
* Fairchild 1,000 piece Budgetary Pricing
** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples

Package marking information for product FSEZ1016A is available. Click here for more information .

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Application Notes

AN-6067: AN-6067 Design and Application of Primary-Side Regulation (PSR) PWM Controller and EZ-Switch (986 K) Oct 30, 2009
 

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Qualification Support

Click on a product for detailed qualification data

Product
FSEZ1016AMY
FSEZ1016ANY

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