tca280b Hendon Semiconductors, tca280b Datasheet - Page 8

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

Integrated Electronic Solutions, Hendon, South Australia
9
V
At T
2002 Nov 08
Supply
V
V
I
Pulse width control input PW (pin 1)
V
V
I
t
Zero-crossing detector enable input ENZ (pin 12)
V
V
Zero-crossing detector output QZ (pin 2)
I
I
Comparator input IC+ and IC (pins 5 and 6)
I
I
Comparator outputs QC+ and QC (pins 4 and 7)
V
I
I
Sawtooth generator trigger input IS (pin 14)
V
I
V
I
Sawtooth generator output QS (pin 15)
I
I
CC
CC
PW(RMS)
w
QZH
QZL
IC+
IC
OH
OL
ISH
ISL
QSL
QSH
V
I
t/ V
CC
CC
PW
PW
ENZH
ENZL
OH
ISH
ISL
General purpose triggering circuit
SYMBOL
CC
ID
amb
CHARACTERISTICS
11 to 17 V; V
/ V
= 25 C; Voltages are specified with respect to V
CC
supply voltage, external
supply voltage, internally
generated
supply current, unloaded
variation with supply voltage
input voltage
input current (RMS value)
pulse width
variation with supply voltage
input voltage HIGH
input voltage LOW
output current HIGH
output current LOW
differential input voltage
input bias current
input bias current
output voltage
output current HIGH
output current LOW
input trigger voltage
input trigger current
thyristor holding voltage
thyristor holding current
output current LOW
output current HIGH
EE
= 0 V; I
PARAMETER
RX1
= 10 A or I
RX1
= -30 A;
I
unloaded
I
I
I
I
f = 50 Hz (at pin 2)
inhibit
enable
v
v
I
RX2(RMS)
PW
PW
QZ
PW(RMS)
OH
IC+
IC
= 0.5 mA
= 0.3 mA
= 100 A,
= 100 A
> v
> v
CONDITIONS
CC
IC
IC+
,
.
7
= 5 mA,
+ 1V
+ 1V
11
11.0
0.3
30
1.2
V
7.0
1.8
95
0.25
1
90
100
CC
MIN
1.5
14.3
190
27
5
5
TYP
17
15.0
0.75
0.03
1.9
50
0
7
10
10
8.3
3
2.8
210
40
0.3
5
MAX
TCA280B
Data Sheet
V
V
mA
mA/V
V
V
V
V
mA
V
V
mA
nA
V
V
mA
nA
UNIT
A
s
s/V
A
A
A
A
A