Datasheet

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Current Transducer LTS 6-NP
For the electronic measurement of currents: DC, AC, pulsed,
mixed with galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
Electrical data
I
PN
Primary nominal current rms 6 At
I
PM
Primary current, measuring range 0 .. ± 19.2 At
Î
P
Overload capability 250 At
V
OUT
Output voltage (Analog) @ I
P
2.5 ± (0.625·I
P
/I
PN
) V
I
P
= 0 2.5
1)
V
G Sensitivity 104.16 mV/A
N
S
Number of secondary turns (± 0.1 %) 2000
R
L
Load resistance ≥ 2 kW
R
IM
Internal measuring resistance (± 0.5 %) 208.33 W
TCR
IM
Temperature coefcient of R
IM
< 50 ppm/K
V
C
Supply voltage (± 5 %) 5 V
I
C
Current consumption @ V
C
= 5 V Typ 28+I
S
2)
+(V
OUT
/R
L
) mA
X Accuracy @ I
PN
, T
A
= 25°C ± 0.2 %
Accuracy - Dynamic performance data
Accuracy with R
IM
@ I
PN
, T
A
= 25°C ± 0.7 %
ε
L
Linearity error < 0.1 %
Typ Max
TCV
OUT
Temperature coefcient of V
OUT
@ I
P
= 0 - 10°C .. + 85°C 80 200 ppm/K
- 40°C .. - 10°C 250 ppm/K
TCG Temperature coefcient of G - 40°C .. + 85°C 50
3)
ppm/K
V
OM
Magnetic offset voltage @ I
P
= 0,
after an overload of 3 x I
PN
± 0.5 mV
5 x I
PN
± 2.0 mV
10 x I
PN
± 2.0 mV
t
ra
Reaction time @ 10 % of I
PN
< 100 ns
t
r
Response time to 90 % of I
PN
step < 400 ns
di/dt di/dt accurately followed > 15 A/µs
BW Frequency bandwidth (0 .. - 0.5 dB) DC .. 100 kHz
(- 0.5.. 1 dB) DC .. 200 kHz
General data
T
A
Ambient operating temperature - 40 .. + 85 °C
T
S
Ambient storage temperature - 40.. + 100 °C
m Mass 10 g
Standards EN 50178: 1997
IEC 60950-1: 2001
Notes:
1)
Absolute value @ T
A
= 25°C, 2.475 < V
OUT
< 2.525
2)
I
S
= I
P
/N
S
3)
Only due to TCR
IM
.
I
PN
= 6 At
Features
Closed loop (compensated) multi- ●
range current transducer using
the Hall effect
Unipolar voltage supply ●
Isolated plastic case recognized ●
according to UL 94-V0
Compact design for PCB ●
mounting
Incorporated measuring ●
resistance
Extended measuring range. ●
Advantages
Excellent accuracy ●
Very good linearity ●
Very low temperature drift ●
Optimized response time ●
Wide frequency bandwidth ●
No insertion losses ●
High immunity to external ●
interference
Current overload capability. ●
Applications
AC variable speed drives and ●
servo motor drives
Static converters for DC motor ●
drives
Battery supplied applications ●
Uninterruptible Power Supplies ●
(UPS)
Switched Mode Power Supplies ●
(SMPS)
Power supplies for welding ●
applications.
Application domain
Industrial. ●
16065