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All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
DC/DC Converters
TMA Series 1 Watt
Input Specifications
Input current no load /full load 5 Vin models: 30 mA / 270 mA typ.
12 Vin models: 12 mA / 110 mA typ.
15 Vin models: 11 mA / 90 mA typ.
24 Vin models: 7 mA / 55 mA typ.
Surge voltage (1 s max.) 5 Vin models: 9 V max.
12 Vin models: 18 V max.
15 Vin models: 18 V max.
24 Vin models: 30 V max.
Reverse polarity input current 0.3 A max.
Reflected input ripple current can be reduced by ext. 1–3.3 µF polyester film
capacitor
Input filter internal capacitors
Output Specifications
Voltage set accuracy ±1 % typ. / ±3 % max.
Voltage balance (dual output models, balanced loads) ±0.1 % typ. / ±1 % max.
Regulation – Input variation (1 % change Vin) 1.2 % typ. / 1.5 % max.
– Load variation (20 – 100 %) 5 to 10 % max. (depending on model)
Ripple and noise (20 MHz Bandwidth) 50 mVp-p typ. / 75 mVp-p max.
Temperature coefficient ±0.01 %/K typ. / ±0.02 %/K max.
Short circuit protection limited 0.5 s max.
Capacitive load Single output models: 220 µF max.
Dual output models: 100 µF max.
General Specifications
Temperature ranges – Operating –40°C to +85°C
– Case temperature +90°C max.
– Storage –50°C to +125°C
Derating 3.3, 5 and ±5 VDC output models: 4 %/K above 75°C
all other output models: 4 %/K above 80°C
Humidity (non condensing) 95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign) >2’000’000 h
Isolation Test Voltage (Input/Output, 60s) 1‘000 VDC
Insulation System Functional
Isolation Capacitance (Input/Output) 60 pF typ. / 100 pF max.
Isolation Resistance (Input/Output) >1‘000 MOhm
Switching Frequency 70 to 120 kHz (frequency modulation)
Environmental Compliance – Reach www.tracopower.com/products/reach-declaration.pdf
– RoHS RoHS directive 2011/65/EU
Supporting documents: www.tracopower.com/overview/tma