FLC21-65A STMICROELECTRONICS [STMicroelectronics], FLC21-65A Datasheet

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FLC21-65A

Manufacturer Part Number
FLC21-65A
Description
LOW POWER FIRE LIGHTER CIRCUIT
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
BENEFITS
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DESCRIPTION
The FLC21 series have been developed especially
for capacitance discharge operation. The main
applications are: fuel ignitor, fuel or gas heater,
gas range, cook top, barbecue, water heater,
HVAC, portable ignitor, insect killers.
It uses a high performance planar diffused
technology device adapted to high temperature in
rugged environmental conditions.
The typical supply of the FLC21 fire lighter circuit is
a DC battery or the AC mains.
Th: Thyristor for the switching operation.
Z: Zener diode to set the igniting threshold voltage.
D: Diode for the reverse conduction.
R: 2 k resistor.
Jun 2000 - Ed: 4D
FEATURES
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Application Specific Discretes
FLC21-135A
FLC21-65A
SPACE SAVING THANKS TO MONOLITHIC
FUNCTION INTEGRATION
H I G H R E L I A B I L I T Y W I T H P L A N A R
T E C H N O L O G Y
DEDICATED THYRISTOR STRUCTURE FOR
CAPACITIVE
OPERATION
HIGH PULSE CURRENT CAPABILITY
I
AC OR DC OPERATION CAPABILITY WITH
SUPPLY FROM THE AC MAINS OR A DC
BATTERY.
FRM
DEVICE
TYPE
= 90A @ tp = 10 S
APPLICATION
A.S.D.
BATTERY
OPERATION
100V Mains
DISCHARGE
TM
Ignition
Ignition
MODE
IGNITION
FUNCTIONAL DIAGRAM
FIRE LIGHTER CIRCUIT
Z
R
pin 2 not connected
1
FLC21 FAMILY
2
3
(Plastic)
pin 1
TO92
pin 3
Th
LOW POWER
D
1/6

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FLC21-65A Summary of contents

Page 1

... Th: Thyristor for the switching operation. Z: Zener diode to set the igniting threshold voltage. D: Diode for the reverse conduction resistor. DEVICE APPLICATION TYPE FLC21-135A BATTERY Ignition OPERATION FLC21-65A 100V Mains Ignition Jun 2000 - Ed: 4D FLC21 FAMILY FIRE LIGHTER CIRCUIT IGNITION 1 FUNCTIONAL DIAGRAM Z R ...

Page 2

... FLC21 FAMILY ABSOLUTE RATINGS (limiting values) Symbol I Repetitive surge peak on state current for thyristor TRM -30 C Tamb 120 C I Repetitive surge peak on state current for diode FRM -30 C Tamb 120 C dI/dt Critical rate of rise on state current -30 C Tamb 120 C Storage junction temperature range ...

Page 3

... Breakover current BO Leakage current Temperature coefficient for V DIODE (D) PARAMETER Symbol Test Conditions 500 THYRISTOR (Th) and ZENER (Z) PARAMETERS Symbol Test conditions 65V for FLC21-65A 135V for FLC21-135A 500 Fig ...

Page 4

... FLC21 FAMILY Fig. 2: BASIC AC MAINS APPLICATION MAINS Fig. 3: BASIC DC APPLICATION DC/AC Oscillator 1/ IGNITION MODE PHASE 1 The AC voltage is rectified by the diode Ds. The ignition energy is supplied by the mains and stored into the capacitor C. 4 PHASE 2 ...

Page 5

... V min max .( Rs max see fig 1 Fig. 4: Spark frequency versus Rs and C FLC21-65A F (Hz) Vac=100Vrms, Vbo=75V, Tamb= 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 ...

Page 6

... Type Marking FLC21- 65A FLC21-65A FLC21-135A FLC21-135A 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 ...

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