tca280b Hendon Semiconductors, tca280b Datasheet - Page 4

• Manufacturer Part Number: tca280b
• Description: General Purpose Triggering Circuit
• Manufacturer: Hendon Semiconductors

Integrated Electronic Solutions, Hendon, South Australia
1
3
Note
1. Negative current is defined as conventional current flow out of a device. A negative output current is suitable for
4
2002 Nov 08
V
I
t
P
T
TCA280B P DIP16
TCA280B T SO16
CC
w
NUMBER
I
Adjustable proportional range
Adjustable hysteresis
Adjustable firing burst repetition time
Adjustable pulse width
Supplied from the mains
Provides supply for external temperature bridge
Low supply current, low dissipation
amb
CC
tot
General purpose triggering circuit
QAH
SYMBOL
positive triac current triggering.
TYPE
FEATURES
QUICK REFERENCE DATA
ORDERING INFORMATION
DC supply voltage
supply current
output current
output pulse width
total power dissipation
operating ambient
temperature range
NAME
PARAMETER
plastic dual in-line package; 16 leads (300 mil)
plastic small outline package; 16 leads; body width 3.9 mm
derived from mains voltage
average value
see note 1.
unloaded
CONDITIONS
DESCRIPTION
3
PACKAGE
2
The TCA280B is a bipolar integrated circuit delivering
positive pulses for triggering a triac or a thyristor. The
flexibility of the circuit makes it suitable for a variety of
applications, such as:
Synchronous on/off switching
Phase control
Time-proportional control
Temperature control
Motor speed control
GENERAL DESCRIPTION
20
MIN
14
1
190
15
TYP
200
+80
MAX
SOT38-1
SOT109-1
TCA280B
VERSION
V
mA
mA
mW
C
s
Data Sheet
UNIT