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參數資料
| 型號： | CA3079 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 模擬信號調理 |
| 英文描述： | Zero-Voltage Switches for 50Hz-60Hz and 400Hz Thyristor Control Applications |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 811K |
| 代理商： | CA3079 |
3
CA3059, CA3079
Zero-Voltage Switches for 50Hz-60Hz and
400Hz Thyristor Control Applications
Description
The CA3059 and CA3079 zero-voltage switches are mono-
lithic silicon integrated circuits designed to control a thyristor
in a variety of AC power switching applications for AC input
voltages of 24V, 120V, 208/230V, and 277V at 50Hz-60Hz
and 400Hz. Each of the zero-voltage switches incorporates
4 functional blocks (see the Functional Block Diagram) as
follows:
1. Limiter-Power Supply - Permits operation directly from an
AC line.
2. Differential On/Off Sensing Amplifier - Tests the condition
of external sensors or command signals. Hysteresis or
proportional-control capability may easily be implement-
ed in this section.
3. Zero-Crossing Detector - Synchronizes the output pulses
of the circuit at the time when the AC cycle is at zero volt-
age point; thereby eliminating radio-frequency interfer-
ence (RFI) when used with resistive loads.
4. Triac Gating Circuit - Provides high-current pulses to the
gate of the power controlling thyristor.
In addition, the CA3059 provides the following important
auxiliary functions (see the Functional Block Diagram).
1. A built-in protection circuit that may be actuated to remove
drive from the triac if the sensor opens or shorts.
2. Thyristor firing may be inhibited through the action of an
internal diode gate connected to Terminal 1.
3. High-power dc comparator operation is provided by over-
riding the action of the zero-crossing detector. This is ac-
complished by connecting Terminal 12 to Terminal 7.
Gate current to the thyristor is continuous when Terminal
13 is positive with respect to Terminal 9.
The CA3059 and CA3079 are supplied in 14 lead dual-in-
line plastic packages.
Features
Relay Control
Valve Control
Synchronous Switching of Flashing Lights
On-Off Motor Switching
Differential Comparator with Self-Contained Power
Supply for Industrial Applications
Photosensitive Control
Power One-Shot Control
Heater Control
Lamp Control
Type Features
24V, 120V, 208/230V, 277V at 50/60 . . .
or 400Hz Operation
Differential Input . . . . . . . . . . . . . . . . . .
Low Balance Input Current (Max) -
μ
A. . .
Built-In Protection Circuit for . . . . . . . .
Opened or Shorted Sensor (Term 14)
Sensor Range (Rx) - k
. . . . . . . . . . . . . 2 - 100 2 - 50
DC Mode (Term 12) . . . . . . . . . . . . . . . .
External Trigger (Term 6) . . . . . . . . . . .
External Inhibit (Term 1) . . . . . . . . . . . .
DC Supply Volts (Max) . . . . . . . . . . . . .
Operating Temperature Range (
o
C) . . .
CA3059 CA3079
X
X
X
1
X
X
2
X
X
X
X
14
-55 to +125
10
Ordering Information
PART NUMBER
TEMPERATURE
PACKAGE
CA3059
-55
o
C to +125
o
C
14 Lead Plastic DIP
CA3079
-55
o
C to +125
o
C
14 Lead Plastic DIP
FN490.5
Oct 1999
Pinouts
CA3059 (PDIP)
TOP VIEW
CA3079 (PDIP)
TOP VIEW
1
2
3
4
5
6
7
14
13
12
11
10
9
8
FAIL-SAFE
SENSE AMP IN
ZCD OVERRIDE
R DRIVER (COM)
SENSE AMP REF
COMMON
R DRIVER V
+
INHIBIT
DC SUPPLY
TRIGGER OUT
AC IN
TRIGGER IN
COMMON
HIGH CURRENT
NEG. TRIGGER
1
2
3
4
5
6
7
14
13
12
11
10
9
8
SENSE AMP IN
R DRIVER (COM)
SENSE AMP REF
COMMON
DO NOT USE
DO NOT USE
R DRIVER V
+
DC SUPPLY
TRIGGER OUT
AC IN
COMMON
HIGH CURRENT
NEG. TRIGGER
DO NOT USE
DO NOT USE
NO REOBSOLETE PRODUCT
our Technical Support Center at
1-888-INTERSIL or www.intersil.com/tsc
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2002. All Rights Reserved
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CA3079E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| CA3079H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Zero-Crossing Detector |
| CA307E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| CA307S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| CA307T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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