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L120A Datasheet Preview

L120A Datasheet

TRIAC/SCR PHASE CONTROL

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L120A pdf
LINEAR INTEGRATED CIRCUIT
TRIAC/SCR PHASE CONTROL
The L 120A is a monolithic integrated circuit in 16-lead dual in-line plastic package. It incorporates the
following functions:
AC supply 50/60 Hz
Zero-voltage and zero-current detector
Ramp generator
Inhibition of casual firing pulses
Stabilization of the internal positive DC supply
High gain operational amplifier
Output short-circuit protection
The L 120A is intended for use as a phase controller in industrial and consumer applications.
ABSOLUTE MAXIMUM RATINGS
19
114
ID1.ID2
V 8-12
V 10-12
V 1-2
V 3-5
Ptot
Tstl!
Top
AC peak supply current
Max input current (pin 14)
Input diodes peak current
Positive clamp voltage
Negative clamp voltage
Differential input voltage
Differential input voltage
Total power dissipation at T amb= 85°C
Storage temperature
Operating junction temperature
60
20
15
15
±7
±8
800
-55 to 150
-25 to 150
mA
mA
A
V
V
V
V
mW
DC
°C
ORDERING NUMBER: L 120AB
MECHANICAL DATA
Dimensions in mm
6/82
34



SGS
SGS

L120A Datasheet Preview

L120A Datasheet

TRIAC/SCR PHASE CONTROL

No Preview Available !

L120A pdf
CONNECTION DIAGRAM (top view)
RAMP VOLTAGE
AMPLIFIER OUTPUT
NON INV. AMPLIF INPUT
DeREFERENCE VOLTAGE
I~N AMPLIFIER INPUT
STABILIZED DC SUPPLY
GATE PULSE OUTPUT
POSITIVE RECTIFIER SUPPLY
CURRENT GENERATOR
OUTPUT LOGIC CIRCUIT
ZEROCURRENTOETEC.
GND
GND
CHOPPER
NEG. RECTIFIER SUPPLY
AC SUPPLY
5 -040411
BLOCK DIAGRAM
!.
5-051011
35


Part Number L120A
Description TRIAC/SCR PHASE CONTROL
Maker SGS
Total Page 7 Pages
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