TFA3351 overview
TFA3351 is a component documented by Gunter Seniconductor Gm. The PDF description identifies it as "IC for Electronic Ballasts." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.
Datasheet snapshot
- Manufacturer: Gunter Seniconductor Gm...
- Part number: TFA3351
- Category: IC
- Datasheet length: 12 Pages
Key features noted in the PDF
- Minimum wiring complexity
- Overtemperature protection without external components
- Malfunction detection
- Timer output
- Automatical re-ignition after lamp change Package
- DIP 8 £ 5.1 9.4 – 0.2 0.47 –0.12 ‡ 0.51 £ 1.40 12 34 2.50 £ 1.27 8 76 5 3.5 0.25 M +1.0 -0.5 3.6 +0.2 -0.1 £ 0.98 0.27 +0.09 -0.07 7.50 6.4+0.2 -0.1 Edition 09/00
- The TFA3351 is a control- and monitoring-IC to drive an electronic ballast for fluorescent lamps.
Specifications and operating details
The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.
- The IC has a timer with low-active output which is activated for one second after supply voltage was applied.
- As soon as an internal switching threshold of 7 V is reached, trigger pulses are delivered at the output TR with a repetition instalment of 960 µs.
- As soon as a switching threshold of 8 V is reached, all logic units are reset and the timer output S is activated as well.
- Furthermore, the IC monitors the temperature and the oscillation circuit from a supply voltage of 8 V.
- Voltage > 250 mV, applied at EI, are evaluated as error signals.
- The error signal is enqired and registered within a cycle repeating every 960 µs.
- This current amounts more than 5 mA, that the supply voltage across the backup capacitor at pin V CC breaks down (because nominal current feed is less 5 mA).
Topics covered by the datasheet
The document includes sections related to:
- Features
Engineering review checklist
- Check voltage, continuous and pulsed current, safe operating area and junction-temperature limits.
- Evaluate conduction and switching losses using the specified drive conditions rather than headline ratings.
- Confirm pinout, package thermal path, gate or base protection and transient derating in the final circuit.
Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.
View the complete PDF and model record
Open the TFA3351 datasheet and model details to review the complete PDF, document pages and available product information.
Source attribution
Adapted from the PDF associated with this DigiCamel model page.
Source model URL: https://www.digicamel.com/product.php?slug=tfa3351-gunter-seniconductor-gm