Datasheet

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.
DC/DC Converters
THD 12 Series 12 Watt
Input Specifications
Input current (no load) 12 Vin models: t.b.a.
24 Vin models: t.b.a.
48 Vin models: t.b.a.
Input current (full load) 12 Vin; 2.5/ 3.3 Vout models: 1’670 mA typ.
12 Vin; other single output models: 1’605 mA typ.
12 Vin; other dual output models: 1’630 mA typ.
24 Vin; 2.5/ 3.3 Vout models: 840 mA typ.
24 Vin; other single output models: 800 mA typ.
24 Vin; other dual output models: 810 mA typ.
48 Vin; 2.5/ 3.3 Vout models: 420 mA typ.
48 Vin; other single output models: 400 mA typ.
48 Vin; other dual output models: 405 mA typ.
Input voltage variation (dv/dt) 5 V / ms, max.
(complies ETS 300 132 part. 4.4)
Start-up voltage / under voltage lockout
12 Vin models: 9 VDC / 8 VDC typ.
24 Vin models: 18 VDC / 16 VDC typ.
48 Vin models: 36 VDC / 33 VDC typ.
Surge voltage (100 msec. max.) 12 Vin models: 36 V max.
24 Vin models: 50 V max.
48 Vin models: 100 V max.
Conducted noise (input) EN 55022 level A, FCC part 15, level A
ESD (input) EN 61000-4-2, Perf. Criteria B
Fast Transient (input) EN 61000-4-4, Perf. Criteria B
Surge (input) EN 61000-4-5, Perf. Criteria B
Output Specifications
Voltage set accuracy ±1.2 %
Regulation
– Input variation Vin min. to Vin max. ± 0.5 % max.
– Load variation 10 – 100 %
single output models: 1.0 % max. (1.5% max. for 2.5 Vout models)
dual output models balanced load: 1.2 % max.
dual output models unbalanced load: 5.0 % max.
Transient response setting time (25% load step change) 300 µs
Ripple and noise (20 MHz Bandwidth) 85 mVpk-pk max.
Temperature coefficient ± 0.02 % /K
Output current limitation 150% typ. of Iout max., constant current
Short circuit protection indefinite
(automatic recovery)
Minimum load 10% of rated max current
(operation at lower
load condition will not damage these converters, how ever, they may not meet all listed specifications)
Capacitive load 2.5, 3.3, 5.1 Vout models: 2000 µF max.
5 / ± 5 Vout models: 2000 µF max. / ± 1250 µF max.
12 /±12 Vout models: 430 µF max. / ± 200 µF max.
15 / ±15 Vout models: 300 µF max. / ± 120 µF max.
General Specifications
Temperature ranges – Operating –40 °C ... +85 °C
– Case temperature +100 °C max.
– Storage –55 °C ... +105 °C
Derating 2.5%/K above 60°C
Humidity (non condensing) 95 % rel H max.