tca280b Hendon Semiconductors, tca280b Datasheet - Page 11

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

Integrated Electronic Solutions, Hendon, South Australia
2002 Nov 08
General purpose triggering circuit
I
RX2(AV)
Note: I
Fig.6 Voltage dropping resistor Rd and power dissipation P
, for the supply arrangement with series diode. Also shown is the RMS mains supply voltage (V
RX2(AV)
Rd
(kΩ)
100
10
0.1
1
1
includes the supply current of any external (peripheral) circuit supplied from V
2
3
4
5
P Rd =
5 W
6
7
a function Of I
8
9
10
11
10 W
12
RX2(AV)
13
10
14
R d min
; typical performance.
1 W
15
2 W
I RX2(AV) (mA)
16
Rd
17
in this resistor as a function of supply current
18
50 V
380 V
220 V
90 V
70 V
110 V
30 V
V s (rms)
V s
13
16
V EE
RX2
R d
D
TCA280B
CC
.
11
Fig-6-graph
V CC
TCA280B
S(Rms)
C 1
Data Sheet
) as