IR2520D IC – 600V Adaptive Ballast Controller IC
The IR2520D 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 FET. 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.
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Description
The IR2520D 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 FET. 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.
Features:-
? 600V Half Bridge Driver
? Integrated Bootstrap FET
? Adaptive zero-voltage switching (ZVS)
? Internal Crest Factor Over-Current Protection
? 0 to 6VDC Voltage Controlled Oscillator
? Programmable minimum frequency
? Micropower Startup Current (80uA)
? Internal 15.6V zener clamp on Vcc
? Small DIP8/SO8 Package
? Also available LEAD-FREE (PbF)
Specifications:-
| Symbol | Parameters | Min | Max | Units |
| VB | High side floating supply voltage | -0.3 | 625 | V |
| VS | High side floating supply offset voltage | VB-25 | VB+0.3 | V |
| VHO | High side floating output voltage | VS-0.3 | VB+0.3 | V |
| VLO | Low side output voltage | -0.3 | VCC+0.3 | V |
| IVCO | Voltage controlled oscillator input current | -5 | 5 | mA |
| ICC | Supply current | -25 | 25 | mA |
| dVS/dt | Allowable offset voltage slew rate | -50 | 50 | V/ns |
| TJ | Junction temperature | -55 | 150 | ?C |
| TS | Storage temperature | -55 | 150 | ?C |
| TL | Lead temperature | 300 | ?C |
Related Document:-
Additional information
Operating voltage | 2.5 3.0V |
Pixel Resolution | 0.3MP |
Photosensitive array | 640 x 480 |
Optical Size | 1.6 inch |
Angel of view | 67 degrees |
Maximum Frame Rate | 30fps VGA |
Sensitivity | 1.3V/(Lux-sec) |
Dormancy | Less than 20A |
Power consumption | 60mW/15fpsVGA YUV |
Temperature operation Range | -30 C ~ 70 C |
Pixel area | 3.6 x 3.6 m |
Signal to noise ratio (SNR) | 46 dB |
Dynamic range | 52 dB |
Specification
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