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PDF IR2520 Data sheet ( Hoja de datos )
| Número de pieza | IR2520 | |
| Descripción | ADAPTIVE BALLAST CONTROL IC | |
| Fabricantes | International Rectifier | |
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ADVANCE DATA
Data Sheet No. PD60212 Rev A
IR2520D(S)
ADAPTIVE BALLAST CONTROL IC
Features
• 600V Half Bridge Driver
• Integrated Bootstrap Diode
• Adaptive zero-voltage switching (ZVS)
• Internal Crest Factor Over-Current Protection
• 0 to 5VDC Voltage Controlled Oscillator
• Programmable minimum frequency
• Micropower Startup Current (150uA)
• Internal 15.6V zener clamp on Vcc
• Small DIP8/SO8 Package
Packages
8-Lead PDIP
IR2520D
8 Lead SOIC
IR2520DS
Description
The IR2520D(S) is a complete adaptive ballast controller and 600V half-bridge driver integrated into a single
IC for fluorescent lighting applications. The IC includes adaptive zero-voltage switching (ZVS), internal crest
factor over-current protection, as well as an integrated bootstrap diode. The heart of this IC is a voltage
controlled oscillator with externally programmable minimum frequency. All of the necessary ballast features
are integrated in a small 8-pin DIP or SOIC package.
Typical Application Diagram
BR
F1
L1
RSUPPLY
VCC
1
C1 CVCC COM
2
RFMIN FMIN
3
VCO
4
CVCO
DCP1
C2
CFL LAMP
VB M1
8
HO
7
CBOOT
VS
6
LO M2
5
LRES
CCP
CRES
DCP2
C3
Please note that this data sheet contains advance information which could change before product is released to production.
www.irf.com
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ADVANCE DATA
IR2520D(S)
Lead Definitions
Symbol
VCC
COM
FMIN
VCO
LO
VS
HO
VB
Description
Supply voltage
IC power and signal ground
Minimum frequency setting
Voltage controlled oscillator input
Low-side gate driver output
High-side floating return
High-side gate driver output
High-side gate driver floating supply
Lead Assignments
VCC 1
COM 2
FMIN 3
VCO 4
8 VB
7 HO
6 VS
5 LO
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet IR2520.PDF ] | |
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