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PDF U2008B Data sheet ( Hoja de datos )
| Número de pieza | U2008B | |
| Descripción | Low Cost Current Feedback Phase Control Circuit | |
| Fabricantes | TEMIC Semiconductors | |
| Logotipo |  |
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U2008B
Low Cost Current Feedback Phase Control Circuit
Description
The U2008B is designed as a phase control circuit in
bipolar technology. It enables load-current detection as
well as mains-compensated phase control. Motor control
with load-current feedback and overload protection are
preferred applications.
Features
D Full wave current sensing
D Mains supply variation compensated
D Variable soft-start or load-current sensing
D Voltage and current synchronization
D Automatic retriggering switchable
D Triggering pulse typ. 125 mA
D Internal supply-voltage monitoring
vD Current requirement 3 mA
Applications
D Low cost motor control
D Domestic appliance
Package: DIP8, SO8
Block Diagram
230 V ~
Load
22 kW/2W
BYT51K
R2
330 kW
aR1 D1
max
R8
1 MW
76
96 11643
Limiting
detector
Voltage
detector
Mains voltage
compensation
Automatic
retriggering
TIC
226
R3
180W
8
1
Current
detector
Full wave load
current detector
Soft start
R6
^
V(R6)
=
±250
mV
Phase
control unit
ö = f (V3)
23
C3
3.3 nF
C4
100 nF
+–
Supply
voltage
limiting
Reference
voltage
Voltage
monitoring
WR10 100 k
Load current
compensation
5 –VS
C1
22 mF/
25 V
4 GND
R14
47 kW
Set point
R7
12 kW
P1
50 kW
Figure 1. Block diagram with typical circuit: Load current sensing
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
1 (10)
1 page  
Absolute Maximum Ratings
VS = 14 V, reference point Pin 4, unless otherwise specified
Parameters
Current limitation
vt s10 m
Pin 5
Sync. currents
vt s10 m
Pin 7
Phase control
Pin 3
Control voltage
Input current
Charge current
Pin 6
Load current monitoring / Soft-start
Input current
Input voltage
Pulse output
Input voltage
Pin 8
Pin 1
Storage temperature range
Junction temperature range
Symbol
–IS
–iS
"IsyncV
"isyncV
"–VI
II
– I ϕmax
II
VI
+VI
–VI
Tstg
Tj
U2008B
Value
30
100
5
20
VS to 0
500
0.5
1
–40 to + 125
2
VS
* )40 to 125
* )10 to 125
Unit
mA
mA
V
mA
mA
mA
V
V
C
C
Thermal Resistance
Junction ambient
Parameters
DIP8
SO8 on p.c.
SO8 on ceramic
Symbol
RthJA
Value
110
220
140
Unit
K/W
Electrical Characteristics
+VS –13 V, Tamb = 25°C, reference point Pin 4, unless otherwise specified
Parameters
Test Conditions / Pins Symbol Min. Typ. Max. Unit
Supply
Pin 5
Supply voltage limitation
–IS = 3.5 mA
–IS = 30 mA
–VS 14.5
14.6
16.5 V
16.8
Current requirement
Pins 1, 4 and 7 open
–IS
3.0 mA
Voltage monitoring
Pin 5
Turn-on threshold
–VTON
11.3 12.3
V
Phase control
Input current
Voltage limitation
Voltage sync. Pin 7
Current sync. Pin 8
"IsyncV
"IsyncI
3
0.15 2
30
mA
mA
" "IL = 2 mA Pin 7
VsyncV 8.0 8.5 9.0
V
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
5 (10)
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet U2008B.PDF ] | |
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