FLC10 STMicroelectronics, FLC10 Datasheet - Page 6

• Manufacturer Part Number: FLC10
• Description: Fire lighter circuit
• Manufacturer: STMicroelectronics

FLC10-200H/B
6/8
PEAK CURRENT LIMIT
T h i s c o m p o n e n t i s d e s i g n e d t o w i t h s t a n d
I
ambient temperature of 120°C in repetitive surge
(see note 1, page 2).
Fig. 5: Peak current limit versus pulse duration.
POWER LOSSES (For 10 s, see note 1)
To evaluate the power losses, please use the following equations :
For the thyristor : P = 1.18 x I
For the diode : P = 0.67 x I
TRM
= 240A for a pulse duration of 10 s for an
300
280
260
240
220
200
180
I
TRM
(A)
6
F(AV)
T(AV)
+ 0.106 I
+ 0.035 I
2
8
F(RMS)
2
T(RMS)
tp (µs)
The curve of peak current versus the pulse
duration allows us to verify if the application
is within the FLC operating limit.
10
12
Tj max : 120°C
14