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FLC10-200B [STMICROELECTRONICS]

FIRE LIGHTER CIRCUIT; 消防打火机电路
FLC10-200B
型号： FLC10-200B
厂家： ST    ST
描述：

FIRE LIGHTER CIRCUIT
消防打火机电路
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®
FLC10-200H/B  
Application Specific Discretes  
A.S.D.™  
FIRE LIGHTER CIRCUIT  
FEATURES  
TAB  
■
Dedicated thyristor structure for capacitance  
discharge ignition operation  
■
High pulse current capability  
240A @ tp= 10µs  
■
■
Fast turn-on operation  
Designed for high ambient temperature (up to  
120°C)  
3
2
TAB  
1
IPAK  
FLC10-200H  
BENEFITS  
2
3
■
Space saving thanks to monolithic function  
integration  
High reliability with planar technology  
1
DPAK  
FLC10-200B  
■
FUNCTIONAL DIAGRAM  
DESCRIPTION  
The FLC10 series has been especially developed  
for high power capacitance discharge operation.  
The main applications are gas lighters or ignitors  
such as :  
pin 2 or Tab  
cookers / gas boilers / gas hobs...  
Based on ST’s ASD™ technology, it provides a  
fully integrated function, with high performance  
and reliability levels, adapted to severe and hot  
temperature environment.  
Z
Th  
Th: Thyristor for switching operation.  
Z: Zener diode to set the threshold voltage.  
D: Diode for reverse conduction.  
R: 2 kΩ resistor.  
D
R
pin 1/3 (*)  
(*) Pin1 and Pin3 must be shorted together in  
the application circuit layout.  
October 2001 - Ed: 7E  
1/8  
FLC10-200H/B  
ABSOLUTE RATINGS (limiting values)  
Symbol  
Parameter  
Value  
Unit  
ITRM  
IFRM  
dI/dt  
Repetitive surge peak on state current for thyristor  
-30°C ≤ Tamb ≤ 120°C  
tp = 10µs  
( note 1)  
240  
A
Repetitive surge peak on state current for diode  
-30°C ≤ Tamb ≤ 120°C  
Critical rate of rise time on state current -30°C ≤ Tamb ≤ 120°C  
200  
A/µs  
Tstg  
Tj  
Storage junction temperature range  
Maximum junction temperature  
- 40 to + 150  
+ 125  
°C  
Toper  
TL  
Operating temperature range  
-30 + 120  
260  
°C  
°C  
Maximum lead temperature for soldering during 10s  
Note 1 : Test current waveform  
10µs  
200ms  
THERMAL RESISTANCE  
Symbol  
Parameter  
Value  
100  
70  
Unit  
°C/W  
°C/W  
Rth(j-a)  
Rth(j-a)  
IPAK thermal resistance junction to ambient  
DPAK thermal resistance junction to ambient S = 0.5cm2  
S = Copper Surface under Tab  
ORDERING INFORMATION  
FLC 10 - 200 x  
Package:H: IPAK  
200: VBO min = 20V  
B: DPAK  
FIRE LIGHTER CIRCUIT  
CIRCUIT NUMBER  
SCR + Diode + Zener + Resistance  
High Power Version  
2/8  
FLC10-200H/B  
ELECTRICAL CHARACTERISTICS  
I
IF  
Symbol  
VRM  
VBO  
VT  
Parameters  
Stand-off voltage  
Breakover voltage  
V
V
V
F
T
BO  
V
V
On-state voltage  
RM  
I
I
RM  
VF  
Diode forward voltage drop  
Breakover current  
IBO  
BO  
T
IRM  
Leakage current  
I
αT  
Temperature coefficient for VBO  
DIODE (D) PARAMETER  
Symbol  
Test Conditions  
Value  
Unit  
VF  
IF = 2A  
tp ≤ 500µs  
Tj = 25°C  
Max.  
1.7  
V
THYRISTOR (Th) and ZENER (Z) PARAMETERS  
Symbol  
Test conditions  
Min  
Typ  
Max  
Unit  
µA  
IRM  
VRM = 200 V  
Tj = 25°C  
Tj = 125°C  
10  
100  
250  
0.5  
1.7  
µA  
VBO  
IBO  
VT  
at IBO  
Tj = 25°C 200  
Tj = 25°C  
225  
13  
V
at VBO  
IT = 2A  
mA  
tp ≤ 500µs  
Tj = 25°C  
V
αT  
10-4/°C  
Fig. 1: Relative variation of breakover current  
versus junction temperature.  
k = IBO(Tj) / IBO(25°C)  
2.5  
2
1.5  
1
0.5  
0
-20  
0
20  
40  
60  
80  
100  
Tj (°C)  
3/8  
FLC10-200H/B  
Fig. 2: BASIC APPLICATION  
Ic  
Ic  
t
c
Rs  
Ds  
Th  
Z
AC  
MAINS  
D
R
The applications of the lighter using the capaci-  
tance discharge topology operate in 2 phases :  
PHASE 2  
At the end of the phase 1, the voltage across the  
capacitor C reaches the avalanche threshold of  
the zener. Then a current flows through the gate of  
the thyristor Th which fires.  
The firing of the thyristor causes an alternating  
current to flow through the capacitor C.  
PHASE 1  
The energy coming from the mains is stored into  
the capacitor C. For that, the AC voltage is rectified  
by the diode Ds.  
The positive parts of this current flow through C,  
Th and the primary of the HV transformer.  
The negative parts of the current flow through C,  
D and the primaty of the HV transformer.  
COMPONENT CHOICE  
RS RESISTOR CALCULATION  
The Rs resistor allows, in addition with the capacitor C, the spark frequency to be adjusted and the cur-  
rent from the mains to be limited. Its value shall allow the thyristor Th to fire even in worst case condi-  
tions. In this borderline case, the system must fire with the lowest value of RMS mains voltage while  
the breakdown voltage and current of the FLC are at the maximum.  
The maximum Rs value is equal to :  
(VAC min. 2 ) − [VBO max .(1 + α T.( Tamb − 25 ))]  
Rsmax =  
k . IBO  
*
* : see fig 1  
4/8  
FLC10-200H/B  
Fig. 3: Spark frequency versus Rs and C  
F (Hz)  
Vac=220Vrms, Vbo=225V, Tamb=25°C  
20  
10  
5
3
2
1
4.7  
6.8  
10  
12  
15  
18  
22  
27 30  
Rs (kΩ )  
The couple Rs/C can be chosen with the previous  
curve. Keep in mind the Rs maximum limit for  
which the system would not work when the AC  
mains is minimum. The next curve shows the be-  
havior with Rs=15kΩ and C=1µF.  
Fig. 4: Voltage across the capacitance with Rs = 15kΩ, C = 1µF and VBO = 225V.  
5/8  
FLC10-200H/B  
PEAK CURRENT LIMIT  
This component is designed to withstand  
ITRM = 240A for a pulse duration of 10µs for an  
ambient temperature of 120°C in repetitive surge  
(see note 1, page 2).  
The curve of peak current versus the pulse  
duration allows us to verify if the application  
is within the FLC operating limit.  
Fig. 5: Peak current limit versus pulse duration.  
ITRM(A)  
Tj max : 120°C  
300  
280  
260  
240  
220  
200  
180  
6
8
10  
tp (µs)  
12  
14  
POWER LOSSES (For 10µs, see note 1)  
To evaluate the power losses, please use the following equations :  
For the thyristor : P = 1.18 x IT(AV) + 0.035 I2  
T(RMS)  
For the diode : P = 0.67 x IF(AV) + 0.106 I2  
F(RMS)  
6/8  
FLC10-200H/B  
PACKAGE MECHANICAL DATA  
DPAK  
DIMENSIONS  
Millimeters Inches  
Min.  
REF.  
Min.  
2.20  
0.90  
0.03  
0.64  
5.20  
0.45  
0.48  
6.00  
6.40  
4.40  
9.35  
Max  
2.40  
1.10  
0.23  
0.90  
5.40  
0.60  
0.60  
6.20  
6.60  
4.60  
10.10  
Max.  
0.094  
0.043  
0.009  
0.035  
0.212  
0.023  
0.023  
0.244  
0.259  
0.181  
0.397  
A
A1  
A2  
B
0.086  
0.035  
0.001  
0.025  
0.204  
0.017  
0.018  
0.236  
0.251  
0.173  
0.368  
B2  
C
C2  
D
E
G
H
L2  
L4  
V2  
0.80 typ.  
0.031 typ.  
0.60  
0°  
1.00  
8°  
0.023  
0°  
0.039  
8°  
FOOTPRINT  
6.7  
6.7  
3
3
1.6  
1.6  
2.3 2.3  
7/8  
FLC10-200H/B  
PACKAGE MECHANICAL DATA  
IPAK  
DIMENSIONS  
Millimeters Inches  
Min. Typ. Max. Min. Typ. Max.  
REF.  
A
A1  
A3  
B
2.2  
0.9  
2.4 0.086  
1.1 0.035  
1.3 0.027  
0.9 0.025  
5.4 0.204  
0.85  
0.094  
0.043  
0.051  
0.035  
0.212  
0.033  
0.7  
A
0.64  
5.2  
E
C2  
B2  
B3  
B5  
B6  
C
B2  
L2  
0.3  
0.035  
D
0.95  
0.037  
0.023  
0.023  
0.244  
0.260  
0.181  
0.641  
0.370  
0.047  
0.45  
0.48  
6
0.6 0.017  
0.6 0.019  
6.2 0.236  
6.6 0.252  
4.6 0.173  
16.3 0.626  
9.4 0.354  
1.2 0.031  
1
H
B3  
L1  
C2  
D
B6  
L
A1  
B
V1  
E
6.4  
4.4  
15.9  
9
G
B5  
C
H
G
A3  
L
L1  
L2  
V1  
0.8  
0.8  
10°  
0.031 0.039  
10°  
OTHER INFORMATION  
Type  
Marking  
Package  
IPAK  
Weight  
0.40 g  
0.3 g  
Base qty  
Delivery mode  
Tube  
FLC10-200H  
FLC10-200B  
FLC10-200H  
FLC10-200B  
75  
75  
DPAK  
Tube  
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of  
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by  
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to  
change without notice. This publication supersedes and replaces all information previously supplied.  
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written ap-  
proval of STMicroelectronics.  
The ST logo is a registered trademark of STMicroelectronics  
© 2001 STMicroelectronics - Printed in Italy - All rights reserved.  
STMicroelectronics GROUP OF COMPANIES  
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia  
Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A.  
http://www.st.com  
8/8  

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