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
TMR 9 Series 9 Watt
Input Specifications
Input current at no load 12 V models: 10 mA typ.
(nominal input voltage) 24 V models: 9 mA typ.
48 V models: 5 mA typ.
Surge voltage (1sec. max.) 12 V models: 36 V max.
24 V models: 50 V max.
48 V models: 100 V max.
Conducted noise EN 55022 class A internal filter
ESD (electrostatic discharge) EN 61000-4-2, air ±8 kV, contact ±6 kV,
perf. criteria A
Radiated immunity EN 61000-4-3, 20 V/m, perf. criteria A
Fast transient / surge (with external input capacitor) EN 61000-4-4, ±2 kV, perf. criteria A
EN 61000-4-5, ±2 kV perf. criteria A
– external input capacitor all models:
Nippon chemi-con KY 220 µF, 100 V
– external TVS 12 & 24 V models:
SMDJ70A, 70 V, 3000 W peak pulse power
48 V models:
SMDJ120A, 120 V, 3000 W peak pulse power
Conducted immunity EN 61000-4-6, 10 Vrms, perf. criteria A
Output Specifications
Voltage set accuracy ±1 % max
Regulation – Input variation Vin min. to Vin max. 0.2 % max.
– Load variation 0 – 100% single output models: 1.0 % max.
dual output models: 1.0 % max. balanced load
– Load cross regulation 25/100% 5.0 % max. (dual output models)
Minimum load not required
Ripple and noise (20 MHz Bandwidth) 3.3, 5 & 9 VDC models: 50 mVpk-pk typ. with cap. 1µF/50V X7R MLCC
12, 15 & 24 VDC models: 75 mVpk-pk typ. with cap. 1µF/50V X7R MLCC
Transient response setting time (25% load step change) 250 µs typ.
Short circuit protection indefinite, automatic recovery
Over load protection 180 % of nom. Iout typ. (hiccup)
Start up time – Power On 50 ms typ.
(constant resistive load) – Remote On 50 ms typ.
Capacitive load 3.3 VDC / 5 VDC output models: 2600 µF max. / 1300 µF max.
9 VDC output models: 800 µF max.
12 VDC & 15 VDC output models: 560 µF max.
24 VDC output models: 200 µF max.
±5 VDC / ±12 VDC output models: ±800 µF max. / ± 390 µF max.
±15 VDC output models: ±200 µF max.
General Specifications
Temperature ranges – Operating –40°C to +85°C
– Case temperature +100°C max.
– Storage –55°C to +125°C
Load derating 3.3 VDC model: 2.0 %/K above 50°C
other models: 2.5 %/K above 60°C
Thermal shock, mechanical shock & vibration EN 61373, MIL-STD-810F
– Test conditions www.tracopower.com/products/mil810.pdf
Humidity (non condensing) 5 – 95 % rel. H max.
Temperature coefficient ±0.02 %/K