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FAN103MY

PWM-PSR switching controller for primary-side regulation

Inventory:6,003

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Overview of FAN103MY

The FAN103MY is a voltage-mode PWM controller IC designed for use in power supply applications.This IC offers a range of features to control and regulate the output voltage efficiently,making it ideal for various power management solutions.

Pinout

(Note:The pin configuration below is a general representation.Refer to the specific datasheet for precise details.)

  • VCC:Power Supply Voltage
  • VREF:Reference Voltage Output
  • COMP:Error Amplifier Output
  • FB:Feedback Input
  • RT/CT:Timing Components Connection
  • SD:Shutdown Pin
  • GND:Ground Connection
  • COMP:Error Amplifier Output
  • COMP:Error Amplifier Output

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the FAN103MY IC for a visual representation.

Key Features

  • Voltage-Mode PWM Control:The FAN103MY utilizes voltage-mode PWM control to regulate the output voltage efficiently.
  • Adjustable Reference Voltage:The IC offers an adjustable reference voltage output,allowing for precise voltage regulation.
  • Shutdown Function:Includes a shutdown pin for enabling or disabling the device as needed for power saving or protection.
  • Overcurrent Protection:Provides overcurrent protection to prevent damage to the IC and connected components.
  • Wide Operating Voltage Range:Operates within a wide voltage range,making it versatile for different power supply applications.

Note:For detailed technical specifications,please refer to the FAN103MY datasheet.

Application

  • Power Supply Regulation:Suitable for controlling and regulating output voltage in power supply circuits.
  • DC-DC Converters:Ideal for use in DC-DC converter applications to efficiently manage voltage conversion.
  • Switched-Mode Power Supplies:Commonly used in switched-mode power supply designs for effective power management.

Functionality

The FAN103MY is a voltage-mode PWM controller that provides precise control over power supply output voltage.Its features make it a reliable choice for various power management applications.

Usage Guide

  • Power Supply:Connect VCC(Pin 1)to the power supply voltage and the GND(Pin 7)to ground.
  • Feedback Loop:Connect the FB(Pin 4)input to the output to regulate the desired voltage.
  • Overcurrent Protection:Use the overcurrent protection feature to safeguard the IC and connected components.

Frequently Asked Questions

Q:How does the FAN103MY control voltage output?
A:The FAN103MY utilizes voltage-mode PWM control to regulate and control the output voltage based on the reference signal.

Q:What is the purpose of the shutdown pin in the FAN103MY?
A:The shutdown pin allows for the device to be enabled or disabled as needed,providing power-saving and protection functions.

Equivalent

For similar functionalities,consider these alternatives to the FAN103MY:

  • SG3525:A PWM controller IC with similar voltage control features suitable for power supply applications.
  • LM5039:This is a PWM controller IC designed for high-voltage applications,offering efficient power management capabilities.
  • UC3843:A popular PWM controller IC used in power supply designs,providing precise voltage regulation and protection features.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid FAN103MY Pbfree Code Yes
Rohs Code Yes Part Life Cycle Code Transferred
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP Part Package Code SOIC
Package Description SOP, SOP8,.25 Pin Count 8
Manufacturer Package Code 8LD, SOIC,JEDEC MS-012, .150" NARROW BODY Reach Compliance Code compliant
ECCN Code EAR99 HTS Code 8542.31.00.01
Analog IC - Other Type SWITCHING CONTROLLER Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION Input Voltage-Max 25 V
Input Voltage-Min 5.5 V Input Voltage-Nom 15 V
JESD-30 Code R-PDSO-G8 JESD-609 Code e3
Length 4.9 mm Moisture Sensitivity Level 1
Number of Functions 1 Number of Terminals 8
Operating Temperature-Max 105 °C Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY Package Code SOP
Package Equivalence Code SOP8,.25 Package Shape RECTANGULAR
Package Style SMALL OUTLINE Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified Seated Height-Max 1.75 mm
Surface Mount YES Switcher Configuration SINGLE
Switching Frequency-Max 53 kHz Temperature Grade INDUSTRIAL
Terminal Finish MATTE TIN Terminal Form GULL WING
Terminal Pitch 1.27 mm Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30 Width 3.9 mm

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