Data Sheet

TMR 3WISM Series, 3 Watt
http://www.tracopower.com Page 2 of 3
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
Input Specifications
Input current no load 9 Vin models: 40 mA typ
24 Vin models: 20 mA typ.
48 Vin models: 13 mA typ.
Surge voltage (1 sec. max.) 9 Vin models: 15 V max.
24 Vin models: 50 V max.
48 Vin models: 100 V max.
Start-up voltage 9 Vin models: 4.5 VDC (or lower)
24 Vin models: 9 VDC (or lower)
48 Vin models: 18 VDC (or lower)
Electromagnetic compatibility (EMC), Emissions
– Conducted RI suppression on input EN 55032 class A
Electromagnetic compatibility (EMC), Immunity EN 55024
– Electrostatic discharge (ESD) IEN 61000-4-2, air ±8 kV, contact ±6 kV,
perf. criteria A
– Radiated RF field immunity EN 61000-4-3, 10 V/m, perf. criteria A
– Electrical fast transient / burst immunity EN 61000-4-4, ±2 kV, perf. criteria A
with external capacitor: 220 µF / 100 V
– Surge immunity EN 61000-4-5, ±1 kV, perf. criteria A
with external capacitor: 220 µF / 100 V
– Immunity to conducted RF disturbances EN 61000-4-6, 10 Vrms, perf. criteria A
– Magnetic field immunity EN 61000-4-8, 3 A/m, perf. criteria A
Input filter internal PI-Type
Short Circuit Input Power 1500 mW max.
Output Specifications
Voltage set accuracy ±1 % max.
Voltage balance (dual output models) 2 % max.
Regulation – Input variation 0.5 % max.
– Load variation 0 – 100 % 1 % max.
– cross regulation - dual output: 5 % max. (asymmetrical load 25 % / 100 %)
Temperature coefficient ±0.02 %/K max.
Minimum load not required
Ripple and noise (20 MHz Bandwidth) 50 mVp-p max.
Start up time(constant resistive load) 30 ms max.
Transient response (25% load step change)
– recovery time 250 µs typ.
– deviation 5 % max.
Current limitation 160 % of Iout nom. typ. (foldback)
Short circuit protection continuous, automatic recovery
Capacitive load –Single output 5.0 VDC models: 1680 µF max.
12 VDC models: 820 µF max.
15 VDC models: 680 µF max.
24 VDC models: 390 µF max.
–Dual output ±12 VDC models: 470 µF max. (each output)
+15 VDC models: 330 µF max. (each output)
General Specifications
Temperature ranges – Operating (convection cooling 20LFM, 0,1m/s) –40°C to +80°C
– Case temperature +95°C max.
– Storage temperature –55°C to +125°C
Derating 3.3 %/K above 65°C
Humidity (non condensing) 95 % rel H max.