LTS15-NP_06 Datasheet, PDF (1/3 Pages) LEM – Current Transducer

Current Transducer LTS 15-NP
For the electronic measurement of currents : DC, AC, pulsed, mixed,
with a galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
I_PN = 15 At
Electrical data
16058
I_PN
Primary nominal current rms
I
Primary current, measuring range
PM
Î
Overload capability (direct current)
PDC
V_OUT Analog output voltage @ I_P
I =0
P
N _S Number of secondary turns (± 0.1 %)
R
Load resistance
L
R_IM Internal measuring resistance (± 0.5 %)
TCR Temperature coefficient of R
IM
IM
V_C Supply voltage (± 5 %)
I
Current consumption @ V = 5 V
Typ
C
C
15
At
0 .. ± 48
At
250
At
2.5 ± (0.625·I_P/I_PN) V
2.5 ¹⁾
V
2000
≥2
83.33
< 50
kΩ
Ω
ppm/K
5
V
28+ I ²⁾+(V /R ) mA
S
OUT L
Accuracy - Dynamic performance data
X
Accuracy @ I_PN , T_A = 25°C
ε_L
Accuracy with R _IM @ I_PN , T_A = 25°C
Linearity error
± 0.2
%
± 0.7
%
< 0.1
%
Typ Maxi
TCV Temperature coefficient of V @ I = 0 - 10°C .. + 85°C 65 120 ppm/K
OUT
OUT
P
- 40°C .. - 10°C
170 ppm/K
TCG Temperature coefficient 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
5 x I_PN
10 x I_PN
± 0.5 mV
± 2.0 mV
± 2.0 mV
t_ra
t
r
di/dt
Reaction time @ 10 % of I_PN
Response time to 90 % of I step
PN
di/dt accurately followed
< 100
< 400
> 35
ns
ns
A/µ s
BW Frequency bandwidth (0 .. - 0.5 dB)
DC .. 100
kHz
(- 0.5 .. 1 dB)
DC .. 200
kHz
General data
T
Ambient operating temperature
A
T_S
Ambient storage temperature
m
Mass
Standards
- 40 .. + 85
°C
- 40 .. + 100 °C
10
g
EN 50178: 1997
IEC 60950-1: 2001
Features
• Closed loop (compensated) multi-
range current transducer using the
Hall effect
• Unipolar voltage supply
• Compact design for PCB mounting
• Isolated plastic case recognized
according to UL 94-V0
• 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.
Notes:
1) _{Absolute value @ T = 25°C, 2.475 < V < 2.525}
A
OUT
2) I = I /N
SPS
3) _{Only due to TCR IM.}
Copyright protected.
061102/17
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
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