Motorola CA3059 Datasheet

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This series is designed for thyristor control in a variety of AC power
switching applications for AC input voltages of 24 V, 120 V, 208/230 V, and
277 V @ 50/60 Hz.

Applications:

• Relay Control • Heater Control

• Valve Control • Lamp Control

• On–Off Motor Switching

• Differential Comparator with Self–Contained Power Supply for Industrial

Applications

• Synchronous Switching of Flashing Lights

Order this document by CA3059/D

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ZERO VOLTAGE

SWITCH

SEMICONDUCTOR

TECHNICAL DATA

14

1

AC

Input

Voltage

100

µ

F

+
–

15

V

*

R

X

* NTC Sensor

AC Input Voltage

Figure 1. Representative Block Diagram

2

R

5

S

AC
Input

12

DC Mode or

400 Hz Input

14

R

P

13

9

10
11

(50/60 Hz)

Vac

Limiter

Protection
Circuit

+

On/Off
Sensing
Amp

–

Gnd

Zero
Crossing
Detector

V

CC

81 6

7

Input Series

Resistor (RS)

kΩ

Power
Supply

Triac
Drive

Inhibit External Trigger

Dissipation Rating

24 2.0 0.5

120 10 2.0

208/230 20 4.0

277 25 5.0

V

CC

Current

for R

V

CC

Boost

W

PLASTIC PACKAGE

CASE 646

ORDERING INFORMATION

Operating

R

L

3

4

Gate

S

Device

CA3059 TA = – 40° to +85°C Plastic DIP

MT2

MT1

the CA3059 directly from an AC line. Suggested
dropping resistor (RS) values are given in the table
below.

for condition of external sensors or input command
signals. Proportional control capability or hysteresis
may be implemented using this block.

output pulses to the zero voltage point of the AC cycle.
This synchronization eliminates RFI when used with

resistive loads.
the external power controlling thyristor.

actuated, if the sensor opens or shorts, to remove the
drive current from the external triac.

inhibited by the action of an internal diode gate at

Pin 1.

Operation in this mode is accomplished by connecting

Pin 7 to Pin 12 (thus overriding the action of the

zero–crossing detector). When Pin 13 is positive with

respect to Pin 9, current to the thyristor is continuous.

Temperature Range

Package

FUNCTIONAL BLOCK

DESCRIPTION

1. Limiter–Power Supply — Allows operation of

2. Differential On/Off Sensing Amplifier — Tests

3. Zero–Crossing Detector — Synchronizes the

4. Triac Drive — Supplies high–current pulses to

5. Protection Circuit — A built–in circuit may be

6. Inhibit Capability — Thyristor firing may be

7. High Power DC Comparator Operation —

MOTOROLA ANALOG IC DEVICE DATA

 Motorola, Inc. 1996 Rev 0

1

MAXIMUM RATINGS

Rating Symbol Value Unit

DC Supply Voltage V

(Between Pins 2 and 7) 12

DC Supply Voltage V

(Between Pins 2 and 8) 12
Peak Supply Current (Pins 5 and 7) I
Fail–Safe Input Current (Pin 14) I
Output Pulse Current (Pin 4) (Note 1) I
Junction Temperature T
Operating Temperature Range T
Storage Temperature Range T

CC

CC

5,7

14

out

J

A

stg

CA3059

Vdc

Vdc

± 50 mA

2.0 mA
150 mA
150 °C

– 40 to + 85 °C

– 65 to + 150 °C

ELECTRICAL CHARACTERISTICS (Operation @ 120 Vrms, 50–60 Hz, T

Characteristic Figure Symbol Min Typ Max Unit

DC Supply Voltage 2 V

Inhibit Mode

RS = 10 k, IL = 0 6.1 6.5 7.0
RS = 5.0 k, IL = 2.0 mA — 6.1 —

Pulse Mode

RS = 10 k, IL = 0 6.0 6.4 7.0
RS = 5.0 k, RL = 2.0 mA — 6.2 —

Gate Trigger Current 3 I

(VGT = 1.0 V, Pins 3 and 2 connected)

Peak Output Current, Pulsed 3 I

With Internal Power Supply, VGT = 0

Pin 3 Open 50 125 —
Pins 3 and 2 Connected 90 190 —

With External Power Supply, VCC = 12 V, VGT = 0 4

Pin 3 Open — 230 —
Pins 3 and 2 Connected — 300 —

Inhibit Input Ratio 5 V9/V

(Ratio of Voltage @ Pin 9 to Pin 2)

Total Gate Pulse Duration (C

Positive dv/dt t
Negative dv/dt t

Pulse Duration After Zero Crossing 6 µs

(C

= 0, R

Ext
Positive dv/dt t

Negative dv/dt t
Output Leakage Current Inhibit Mode (Note 3) 3 I
Input Bias Current 7 I
Common Mode Input Voltage Range

(Pins 9 and 13 Connected)

Ext

= R)

= 0) 6 µs

Ext

= 25°C [Note 2])

A

— V

S

GT

OM

p
n

p1
n1

4

IB

CMR

— 160 — mA

0.465 0.485 0.520 —

2

70 100 140
70 100 140

— 50 —
— 60 —

— 0.001 10 µA
— 0.15 1.0 µA
— 1.4 to 5.0 — Vdc

Vdc

mA

Inhibit Input Voltage 8 V
External Trigger V oltage — V6–V

NOTES: 1. Care must be taken, especially when using an external power supply, that total package dissipation is not exceeded.

2.The values given in the Electrical Characteristics Table at 120 V also apply for operation at input voltages of 24 V, 208/230 V, and 277 V, except for
Pulse Duration test. However , the series resistor (RS) must have the indicated value, shown in T able A for the specified input voltage.

3.I4 out of Pin 4, 2.0 V on Pin 1, S1 position 2.

1

4

2

— 1.4 1.6 Vdc
— 1.4 — Vdc

MOTOROLA ANALOG IC DEVICE DATA