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PDF U2010B Data sheet ( Hoja de datos )
| Número de pieza | U2010B | |
| Descripción | Phase Control Circuit for Current Feedback | |
| Fabricantes | TEMIC Semiconductors | |
| Logotipo |  |
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Phase Control Circuit for Current Feedback
U2010B
Description
The U2010B is designed as a phase-control circuit in
bipolar technology. It enables load-current detection and
has a soft-start function as well as reference voltage
output. Motor control with load-current feedback and
overload protection are preferred applications.
Features
D Full wave current sensing
D Mains supply variation compensated
D Programmable load-current limitation
with over- and high-load output
D Variable soft-start
D Voltage and current synchronization
D Automatic retriggering switchable
D Triggering pulse typical 125 mA
Package: DIP16, SO16
D Internal supply voltage monitoring
vD Current requirement 3 mA
D Temperature compensated reference voltage
Applications
D Advanced motor control
D Grinder
D Drilling machine
Block Diagram
96 11646
15
Limiting
detector
Voltage
detector
14 13
Overload
Mains voltage
compensation
12
High load
11
Supply 10
voltage GND
Automatic
retriggering
Current
detector
16
Pulse
output
1
Load
current
detector
Phase
control unit
ö = f (V4)
Output
– 12
Full wave
rectifier
Level
shift
100% 70% amaxA
B9
Programmable Auto–
+ overload start
protection
C
Imax
Voltage
monitoring
Soft Reference
start voltage
2 3 45
67
8
Figure 1. Block diagram
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
1 (12)
1 page  
U2010B
*b) Auto start (Pin 9 open)
The circuit behaves as written under αmax (V9 = 0),
with the exception that Pin 6 is not connected to
GND. If the value of V6 decreases to 25% of the
threshold value (VT25), the circuit becomes active
again with soft-start.
c) Imax (V9 = V8)
When V6 has attained the overload threshold
maximum value i.e. V6 = VT100; Pin 13 is switched
to Pin 8 (VRef) through the resistance R (= 2 kW)
without soft-start capacitor discharging at Pin 7.
With this mode of operation, direct load current
control (Imax) is possible. A recommended circuit is
shown in figure 18.
Absolute Maximum Ratings
Reference point Pin 10, unless otherwise specified
Parameters
Sink current
vt s10 m
Pin 11
Sync. currents
vt s10 m
Pin 15
Phase control
Control voltage
Pins 4 and 8
Input current
Pin 4
Charging current
Pin 14
Soft-start
Input voltage
Pins 7 and 8
Pulse output
Input voltage
Pin 16
Reference voltage source
Output current
vt s10 m
Load current sensing
Input currents
Input voltages
Overload output
High-load output
vt s10 m
Storage temperature range
Junction temperature range
Ambient temperature range
Pin 8
Pins 1 and 2
Pins 5 and 6
Pin 13
Pin 12
Symbol
–IS
–is
"IsyncV
"isyncV
"–VI
II
– Iϕ max
–VI
+VI
–VI
I0
" Ii
– Vi
IL
IL
Tstg
Tj
Tamb
Value
30
100
5
20
0 – V8
500
0.5
0 – V8
2
V11
10
30
1
0 – V8
1
30
* )100
40 to 125
* )125
10 to 100
Unit
mA
mA
V
mA
mA
V
V
mA
mA
V
mA
mA
C
C
C
Thermal Resistance
Junction ambient
Parameters
DIP16
SO16 on p.c.
SO16 on ceramic
Symbol
RthJA
Value
120
180
100
Unit
K/W
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
5 (12)
5 Page 
Dimensions in mm
Package: DIP16
U2010B
Package: SO16
94 9128
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
94 8875
11 (12)
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet U2010B.PDF ] | |
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