Current Transducer LTS 15-NP IPN = 5 - 7.5 - 15 A 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). Preliminary Electrical data IPN IP VOUT Primary nominal r.m.s. current Primary current, measuring range Analog output voltage NS RL R IM TCRIM VC IC Vd Vb Number of secondary turns ( 0.1 %) Load resistance Internal measuring resistance ( 0.5 %) Thermal drift of R IM Supply voltage ( 5 %) Current consumption @ VC = 5 V Typ R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn R.m.s. rated voltage IP = 0 IPN 15 At 0 .. 45 At 2.5 1) V 2.5 0.625 V 2000 2 k 83.33 < 50 ppm/K 5 V 20 + IS mA 2.5 kV 525 2) V Accuracy @ IPN , TA = 25C Accuracy with R IM @ IPN , TA = 25C Linearity L TCVOUT Thermal drift of VOUT @ IP = 0 - 10C .. + 85C TCG Thermal drift of the gain - 10C .. + 85C VOM Residual voltage @ IP = 0, after an overload of3 x IPN 5 x IPN 10 x IPN tra tr di/dt f Reaction time @ 10 % of IP max Response time @ 90 % of IP max di/dt accurately followed Frequency bandwidth (0 .. - 0.5 dB) (- 0.5 .. 1 dB) 0.2 0.7 < 0.1 Typ 75 % % % Max 150 ppm/K 50 3) ppm/K 0.5 mV 2.0 mV 2.0 mV < 50 < 200 > 100 DC .. 100 DC .. 200 ns ns A/s kHz kHz General data TA TS m Notes : *Closed loop (compensated) multirange current transducer using the Hall effect *Unipolar voltage supply *Compact design for PCB mounting *Insulated plastic case recognized according to UL 94-V0 *Incorporated measuring resistance *Extended measuring range. Advantages Accuracy - Dynamic performance data X Features Ambient operating temperature Ambient storage temperature Mass Standards 1) 2) 3) - 10 .. + 85 - 25 .. + 100 10 EN 50178 Absolute value @ TA = 25C, 2.4750 < VOUT < 2.5250 Pollution class 2, category III Only due to TCR IM C C g *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. Copyright protected. 981222/1 LEM Components w w w .lem.com Dimensions LTS 15-NP (in mm. 1 mm = 0.0394 inch) Bottom view Operation principle Output amplifier Standard 00 or N SP.. Year Week Closed loop transducer IS = 7.5 mA @ IP = 15 At Back view Right view Front view Number of primary turns Primary nominal r.m.s. current IPN [ A ] Nominal output voltage VOUT [ V ] Primary resistance R P [ m ] Primary insertion inductance L P [ H ] 1 15 2.5 0.625 0.18 0.013 Recommended connections IN 2 7.5 2.5 0.625 0.81 5 2.5 0.625 1.62 *General tolerance *Fastening & connection of primary Recommended PCB hole *Fastening & connection of secondary Recommended PCB hole *Additional primary through-hole OUT 1 6 2 5 3 4 OUT 1 6 2 5 3 4 OUT 1 2 3 Output Voltage - Primary Current VOUT [ V ] 0.2 mm 6 pins 0.7 x 0.8 mm 1.3 mm 3 pins 0.5 x 0.35 mm 0.8 mm 3.2 mm 5 4.5 3.125 2.5 1.875 Remark 0.5 *VOUT is positive when IP flows from terminals 1, 2, 3 to terminals 6, 5, 4. 4 0.12 IN Mechanical characteristics 5 0.05 IN 3 6 - IPmax - IPN 0 IPN IPmax IP [ At ] LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.