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Número de pieza | UAA1016B | |
Descripción | ZERO VOLTAGE CONTROLLER | |
Fabricantes | Motorola Semiconductors | |
Logotipo | ||
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UAA1016B
Zero Voltage Controller
The UAA1016B is designed to drive triacs with the Zero Voltage technique
which allows RFI free power regulation of resistive loads. It provides the
following features:
• Proportional Temperature Control Over an Adjustable Band
• Adjustable Burst Frequency (to Comply with Standards)
• No DC Current Component Through the Main Line (to Comply with
Standards)
• Negative Output Current Pulses (Triac Quadrants 2 and 3)
• Direct AC Line Operation
• Low External Components Count
ZERO VOLTAGE SWITCH
PROPORTIONAL BAND
TEMPERATURE CONTROLLER
SEMICONDUCTOR
TECHNICAL DATA
8
1
PLASTIC PACKAGE
CASE 626
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
UAA1016B TA = –20° to +100°C Plastic DIP
Representative Block Diagram and Pin Connections
Temp
Set R1
R2
(NTC)
Temp
Sensor
Vref
R4
1.0M
3
4
1
Comparator
Sawtooth
Generator
Sampling
Full Wave
Logic
Synchro–
nization
UAA1016B
28
R3 RL
180 k
CPin 2
RSync
Pulse
Amplifier
Power
Supply
5
–VCC
220 Vac
6
7
Load
+
Design Notes:
q1.Let R4 5.0 RL
220 Vac
2.
+ )3.
Select
Select
R2
R3
Ratio for a symmetrical reference deviation centered about Pin
R2 and R3 values for the desired reference deviation where DVref
1
output swing,
DVPin1
R4
R2 | | R3
1
R2
will
be
slightly
greater
than
R3.
This device contains 30 active transistors.
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 2
1
1 page UAA1016B
Figure 3. Output Pulse Width Definitions
AC Line
tP1 tP2
Vpk = √2.0 (Vrms)
20 µA
–98 µA
Time
Output Pulses
ǒ @ ǓSin–1 98 10–6
ǸVrms 2.0
+tP2 360fAC
ǒ @ ǓSin–1 27 10–6
ǸVrms 2.0
+tP1 360fAC
Figure 4. Typical Output Pulse Length versus
Synchronization Resistor
400
350
tP2
300
115 V/60 Hz
250
tP2
200 tP1
150 220 V/50 Hz
tP1
100
50
6882 100 120 150 180 220 270 330 390
Rsync RESISTOR (kΩ)
Figure 5. Effects of Inputs
Comparator Hysteresis
Figure 6. Pin 1 Internal Network
Large
Hysteresis
Low
Hysteresis
2
VPin 3 + Noise
VPin 3 – VPin 4
1
VPin 3 + Noise
“Uncontrollable
Temperature
Band”
VPin 3 – VPin 4
V
Mains
Figure 7. Trigger Pulse Generation
VO
Comparator
Sensing
Time
Sensed
Comparator
Output
Load
Current
Trigger Pulses
MOTOROLA ANALOG IC DEVICE DATA
Pin 1
UAA1016B
Voltage Source
Pin 2
CPin 2
–VCC
5
5 Page |
Páginas | Total 8 Páginas | |
PDF Descargar | [ Datasheet UAA1016B.PDF ] |
Número de pieza | Descripción | Fabricantes |
UAA1016B | ZERO VOLTAGE CONTROLLER | Motorola Semiconductors |
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