Controllers | FAN104W

High-Frequency Primary-Side-Regulation PWM Controller

Obsolete

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Overview

This highly integrated PWM controller, FAN104W, provides several features to enhance the performance of low-power flyback converters. The proprietary topology of FAN104W enables simplified circuit design for battery charger applications. The result is a lower-cost, smaller, and lighter charger compared to a conventional design or a linear transformer.
To minimize standby power consumption, a proprietary green-mode function 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 FAN104W, a charger can be implemented with few external components and minimized cost

  • DSC
  • E-book Reader
  • External AC-DC Merchant Power Supply - Portable Consumer
  • External AC-DC Merchant Power Supply - Wireless Communications
  • Media Tablets
  • Mobile Handsets

  • Achieves <30 mW; Energy Star’s 5-Star Level
  • Proprietary 500 V High-Voltage JFET Startup Reduces Startup Resistor Loss
  • Low Operation Current in Burst Mode: 600 µA
  • Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry
  • Green Mode: PWM Frequency Linearly-Decreasing
  • PWM Frequency at 85 kHz with Frequency Hopping to Solve EMI Problem
  • Boundary-Conduction-Mode (BCM) Operation at Lower AC Input Voltage
  • Cable Compensation in CV Mode
  • Cycle-by-Cycle Current Limiting
  • Gate Output Maximum Voltage Clamped at 14 V
  • VDD Under-Voltage Lockout (UVLO) Available
  • Built-in Protections:
  • Output Short-Circuit Protection
  • Output Over-Voltage-Protection (VSOVP) with Latch Mode
  • CS Pin Single-Fault Protection
  • VDD Over-Voltage-Protection (VDD OVP)
  • Over-Temperature-Protection (OTP) with Latch Mode
  • VS Pin single-Fault Protection
  • SOIC Package

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FAN104WMX

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751EB

1

260

REEL

2500

N

-

-

-

15

17

-

Price N/A

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Reliability Data

Die Related Summary Data

Device: FAN104WMX

Equivalent to wafer fab process: 34

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

34

0

104882937

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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