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TDA1023 데이터시트(Datasheet) 5 Page - NXP Semiconductors

부품명 TDA1023
상세내용  Proportional-control triac triggering circuit
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제조사  PHILIPS [NXP Semiconductors]
홈페이지  http://www.nxp.com
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 5 page
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May 1991
5
Philips Semiconductors
Product specification
Proportional-control triac triggering circuit
TDA1023/T
Trigger pulse width control input PW (pin 10)
The width of the trigger pulse may be adjusted to the value
required for the triac by choosing the value of the external
synchronization resistor RS between the trigger pulse
width control input PW (pin 10) and the AC mains.
The pulse width is inversely proportional to the input
current (see Fig.13).
Output Q (pin 3)
Since the circuit has an open-emitter output it is capable of
sourcing current. It is thus suited for generating
positive-going trigger pulses. The output is current-limited
and short-circuit protected. The maximum output current is
150 mA and the output pulses are stabilized at 10 V for
output currents up to that value.
To minimize the total supply current and power dissipation,
a gate resistor RG must be connected between the output
Q and the triac gate to limit the output current to the
minimum required by the triac (see Figs 5 to 8).
Pull-down resistor Rpd (pin 1)
The TDA1023 includes a 1.75 k
Ω pull-down resistor R
pd
between pins 1 and 13 (VEE, ground connection) intended
for use with sensitive triacs.
LIMITING VALUES
In accordance with the Absolute Maximum System (IEC 134)
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VCC
DC supply voltage
16
V
Supply current
I16(AV)
average
30
mA
I16(RM)
repetitive peak
100
mA
I16(SM)
non-repetitive peak (tp
< 50 µs)
2A
VI
input voltage, all inputs
16
V
I6, 7, 9, 10
input current
10
mA
V1
voltage on Rpd connection
16
V
V3, 8, 11
output voltage, Q, QR, VZ
16
V
Output current
-IOH(AV)
average
30
mA
-IOH(M)
peak max. 300
µs
700
mA
Ptot
total power dissipation
500
mW
Tstg
storage temperature range
−55
+150
°C
Tamb
operating ambient temperature range
−20
+75
°C




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