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TDA1023T

13.7 V, proportional-control triac triggering circuit

Philips Electronics 

Philips Semiconductors

Proportional-control triac triggering circuit

Product specification

TDA1023/T

CHARACTERISTICS

VCC = 11 to 16 V; Tamb = −20 to +75 °C unless otherwise specified

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

Supply

VCC

∆VCC/∆I16

I16

internally stabilized supply voltage at

I16 = 10 mA

variation with I16

supply current at V16-13 = 11 to 16 V;

I10 = 1mA; f = 50 Hz; pin 11 open;

V6-13 > V7-13

pins 4 and 5 open

12 13.7 15

−

30 −

−

−

6

V

mV/mA

mA

pins 4 and 5 grounded −

−

7.1 mA

Reference supply output VZ (pin 11) for external temperature bridge

V11-13

−I11

output voltage

output current

−

8

−

−

−

1

Control and reference inputs CI, BR and UR (pins 6, 9 and 7)

V6-13

I6, 7, 9

input voltage to inhibit the output

input current

V1 = 4 V

−

7.6 −

−

−

2

Hysteresis control input HYS (pin 4)

∆V6

hysteresis

∆V6

hysteresis

pin 4 open

pin 4 grounded

9

20 40

−

320 −

Proportional control range input PR (pin 5)

∆V6

proportional range

∆V6

proportional range

pin 5 open

pin 5 grounded

50 80 130

−

400 −

Pulse width control input PW (pin 10)

tw

pulse width

I10(RMS) = 1mA; f = 50 Hz 100 200 300

Firing burst repetition time control input TB (pin 12)

TbCT

firing burst repetition time, ratio to

capacitor CT

320 600 960

Output of reference buffer QR (pin 8)

output voltage at input voltage:

V8-13

V8-13

V8-13

V9-13 = 1.6 V

V9-13 = 4.8 V

V9-13 = 8 V

−

3.2 −

−

4.8 −

−

6.4 −

Output Q (pin 3)

VOH

−IOH

output voltage HIGH

output current HIGH

−IOH = 150 mA

10 −

−

−

−

150

Internal pull-down resistor Rpd (pin 1)

Rpd

resistance to VEE

1

1.75 3

V

mA

V

µA

mV

mV

mV

mV

µs

ms/µF

V

V

V

V

mA

kΩ

May 1991

6

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