FSL4110LR: 1000V Integrated Power Switch with Line OVP and no bias winding for 9Watt offline flyback converters

Datasheet: FSL4110LR-D.pdf
Rev. A (670kB)
Product Overview
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The FSL4110LR is an integrated pulse width modulation (PWM) controller and 1000 V avalanche rugged SenseFET specifically designed for high input voltage offline Switching Mode Power Supplies (SMPS) with minimal external components. VCC can be supplied through integrated high-voltage power regulator without auxiliary bias winding.
The integrated PWM controller includes a fixed-frequency oscillator, Under-Voltage Lockout (UVLO), Leading-Edge Blanking (LEB), optimized gate driver, soft-start, temperature-compensatedprecise current sources for loop-compensation, and variable protection circuitry.
Compared with a discrete MOSFET and PWM controller solution, the FSL4110LR reduces total cost, component count, PCB size, and weight; while simultaneously increasing efficiency, productivity, and system reliability. This device provides a basic platform for cost-effective design of a flyback converter.
Features
 
  • Built-in Avalanche Rugged 1000 V SenseFET
  • Precise Fixed Operating Frequency: 50 kHz
  • VCC can be supplied from either bias-winding or self-biasing.
  • Soft Burst-Mode Operation Minimizing Audible Noise
  • Random Frequency Fluctuation for Low EMI
  • Pulse-by-Pulse Current Limit
  • Various Protection Functions: Overload Protection (OLP), Over-Voltage Protection (OVP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) with Hysteresis. Under-Voltage Lockout (UVLO) and Line Over-Voltage Protection (LOVP) with Hysteresis.
  • Built-in Internal Startup and Soft-Start Circuit
  • Fixed 1.6 s Restart Time for Safe Auto-Restart Mode of All Protections
Applications
  • Industrial Motor
  • Motion Control - Industrial Motor
  • Set Top Boxes
  • Smart Grid
  • Uninterruptible Power Supply
Technical Documentation & Design Resources
Application Notes (1) Evaluation Board Documents (1)
Data Sheets (1) Simplis Models (1)
Package Drawings (2)  
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
FEBFSL4110LR-CS01U06A-GEVB Active
Pb-free
6.0 W Auxiliary Power Supply
Availability & Samples
Specifications
Interactive Block Diagram
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
FSL4110LRLX Active
Pb-free
Halide free
FSL4110LR PDIP7 MINUS PIN 6 GW 707AA 3 250 Tape and Reel 1000 $0.7966
FSL4110LRN Active
Pb-free
Halide free
FSL4110LR PDIP-7 626A-01 NA Tube 3000 $0.68
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
Control Mode
fsw Typ (kHz)
fJitter Typ (%)
Stand-by Mode
RDS(ON) Typ (Ω)
V(BR)DSS Max (V)
IPeak (mA)
HV Start-up Min (V)
DSS (mA)
UVLO
Short Circuit Protection
Over Power Compensation
Brown-out
Latch
Package Type
FSL4110LRLX  
 FSL4110LR 
 $0.7966 
Pb
H
 Active   
Current Mode
50
10
1000
520
Yes
Yes
Yes
Yes
PDIP7 MINUS PIN 6 GW
FSL4110LRN  
 FSL4110LR 
 $0.68 
Pb
H
 Active   
Current Mode
50
10
1000
520
Yes
Yes
Yes
Yes
PDIP-7
Case Outlines
626A-01    707AA   
Application
Diagram - Block
Industrial
Electric Vehicle (EV) DC Charging - Aux Power
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