Name: High-Frequency Primary-Side-Regulation PWM Controller
Brand: High-Frequency Primary-Side-Regulation PWM Controller
SKU: FAN104W

High-Frequency Primary-Side-Regulation PWM Controller

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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

Applications

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

Features

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
V_DD 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
V_DD Over-Voltage-Protection (V_DD OVP)
Over-Temperature-Protection (OTP) with Latch Mode
VS Pin single-Fault Protection
SOIC Package

Material Composition

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Reference Price

FAN104WMX

Obsolete

SOIC-8

751EB

260

REEL

2500

Price N/A

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Controllers | FAN104W

High-Frequency Primary-Side-Regulation PWM Controller

Overview

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