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IR21571 Datasheet PDF

Part Series:IR21571 Series
Category:Semiconductors & Actives
Description:Ballast Control, Below Resonance Protection, Thermal Overload Protection, Protection from Failure to Strike, Programmable Preheat Time and Run Frequency, Programmable Deadtime, Automatic Restart for Lamp Exchange in a 16Pin DIP package
Document:IR21571PBF Datasheet PDF (19 Pages)

IR21571 Semiconductors & Actives Datasheet PDF

#1
IR21571PBF
1.7
International Rectifier
#2
IR21571STRPBF
1.1
International Rectifier
#3
IR21571SPBF
1.1
International Rectifier

IR21571 Datasheet PDF Semiconductors & Actives

18 Pages
Infineon
Electronic Ballast Controller 14V 50.5kHz 16Pin SOIC N T/R
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International Rectifier
Ballast Control, Below Resonance Protection, Thermal Overload Protection, Protection from Failure to Strike, Programmable Preheat Time and Run Frequency, Programmable Deadtime, Automatic Restart for Lamp Exchange in a 16Pin DIP package
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Ballast Control, Below Resonance Protection, Thermal Overload Protection, Protection from Failure to Strike, Programmable Preheat Time and Run Frequency, Programmable Deadtime, Automatic Restart for Lamp Exchange in a 16-lead SOIC Narrow p
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International Rectifier
Ballast Control, Below Resonance Protection, Thermal Overload Protection, Protection from Failure to Strike, Programmable Preheat Time and Run Frequency, Programmable Deadtime, Automatic Restart for Lamp Exchange in a 16-lead SOIC Narrow p
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IC BALLAST CONTROL INTEG 16-SOIC
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Electronic Ballast Controller 14V 50.5kHz 16Pin SOIC N Tube
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IC BALLAST CONTROL 16-SOIC
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IC BALLAST CONTROL 16-DIP

IR21571 - International Rectifier Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Frequency
45.5kHz ~ 50.5kHz
Number of Pins
16 Pin
Supply Voltage (DC)
25.0V (max)
Case/Package
DIP-16
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IR21571 - International Rectifier Function Overview

Description
The IR21571 is a fully integrated, fully protected 600V ballast control IC designed to drive virtually all types of rapid start fluorescent lamp ballasts. Externally programmable features such as preheat time & frequency, ignition ramp characteris tics, and running mode operating frequency provide a high degree of flexibility for the ballast design engineer. Comprehensive protection features such as protection from failure of a lamp to strike, filament failures, low dc bus conditions, thermal
overload, or lamp failure during normal operation, as well as an automatic restart function, have been included in the design. The heart of this control IC is a variable frequency oscillator with externally programmable deadtime. Precise control of a 50% duty cycle is accomplished using a T-flip-flop. The IR21571 is available in both 16 pin DIP and 16 pin narrow body SOIC packages.
Features
•Programmable preheat time & frequency
•Programmable ignition ramp
•Protection from failure-to-strike
•Lamp filament sensing & protection
•Protection from operation below resonance - 0.2V CS threshold sync’d to falling edge on LO
•Protection from low-line condition
•Automatic restart for lamp exchange
•Thermal overload protection
•Programmable deadtime
•Integrated 600V level-shifting gate driver
•Internal 15.6V zener clamp diode on VCC
•Micropower startup (150uA)
•Latch immunity protection on all leads
•ESD protection on all leads
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