FLC01 데이터 시트보기 (PDF) - STMicroelectronics

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FLC01

Fire lighter circuit

STMicroelectronics 

FLC01

Characteristics

The next curve on the next page shows the behavior with RS = 15 kΩ and C = 1 µF.

Figure 7. Voltage across the capacitance with Rs = Rs 15 kΩ, C = 1 µF and VBO = 225 V

Peak current limit

This component is designed to withstand ITRM = 190 A for a pulse duration of 10 µs for an

ambient temperature of 120° C in repetitive surge. The curve of peak current versus the

pulse duration allows us to verify if the application is within the FLC operating limit.

Figure 8. Peak current limit versus pulse duration

ITRM(A)

250

200

Tj max=120°C

150

100

50

5.0

7.5

10.0

12.5

15.0

tp (µs)

Power losses (for 10 µs, see Figure 3)

To evaluate the power losses, please use the following equations:

– For the thyristor: P = 1.18 x IT(AV) + 0.035 I2T(RMS)

– For the diode: P = 0.67 x IF(AV) + 0.106 I2F(RMS)

DocID3616 Rev 7

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