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FL7732M

Description
LED Lighting Drivers This particular part was found to be patent infringing and we are unable to sell this product.
Categorysemiconductor    Other integrated circuit (IC)   
File Size1MB,14 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
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FL7732M Overview

LED Lighting Drivers This particular part was found to be patent infringing and we are unable to sell this product.

FL7732M Parametric

Parameter NameAttribute value
Product CategoryLED Lighting Drivers
ManufacturerFairchild
RoHSDetails
Supply Current - Max5000 uA
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 125 C
Mounting StyleSMD/SMT
Package / CaseSOP-8
PackagingCut Tape
PackagingMouseReel
PackagingReel
Pd - Power Dissipation633 mW
Factory Pack Quantity2500
Unit Weight0.030018 oz
FL7732 — Single-Stage PFC Primary-Side-Regulation Offline LED Driver
October 2012
FL7732
Single-Stage PFC Primary-Side-Regulation Offline
LED Driver
Features
Cost-Effective Solution: No Input Bulk Capacitor or
Feedback Circuitry
Power Factor Correction
Accurate Constant-Current (CC) Control,
Independent Online Voltage, Output Voltage,
and Magnetizing Inductance Variation
Linear Frequency Control Improves Efficiency and
Simplifies Design
Open-LED Protection
Short-LED Protection
Cycle-by-Cycle Current Limiting
Over-Temperature Protection with Auto Restart
Low Startup Current: 20
μA
Low Operating Current: 5 mA
V
DD
Under-Voltage Lockout (UVLO)
Gate Output Maximum Voltage Clamped at 18 V
SOP-8 Package
Application Voltage Range: 80 V
AC
~ 308 V
AC
Description
This highly integrated PWM controller provides several
features to enhance the performance of low-power
flyback
converters.
The
proprietary
topology,
®
TRUECURRENT enables simplified circuit design for
LED lighting applications.
By using single-stage topology with primary-side
regulation, a LED lighting board can be implemented
with few external components and minimized cost. No
input bulk capacitor or feedback circuitry is required. To
implement good power factor and low THD, constant
on-time control is utilized with an external capacitor
connected to the COMI pin.
Precise constant-current control regulates accurate
output current versus changes in input voltage and
output voltage. The operating frequency is proportionally
adjusted by the output voltage to guarantee DCM
operation with higher efficiency and simpler design.
FL7732 provides open-LED, short-LED, and over-
temperature protection features. The current limit level
is automatically reduced to minimize output current and
protect external components in a short-LED condition.
The FL7732 controller is available in an 8-pin Small-
Outline Package (SOP).
Applications
LED Lighting System
Ordering Information
Part Number
FL7732M_F116
Operating
Temperature Range
-40°C to +125°C
Package
8-Lead, Small Outline Integrated Circuit Package (SOIC)
Packing
Method
Tape & Reel
© 2011 Fairchild Semiconductor Corporation
FL7732 • Rev. 1.0.6
www.fairchildsemi.com
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