TEC 3 Series, 3 Watt
Input Specifications
Input current at no load
9 Vin models: 55 mA typ.
12 Vin models: 30 mA typ.
24 Vin models: 12 mA typ.
48 Vin models: 8 mA typ.
Surge voltage (1 s max.)
Start up voltage
9 Vin models: 15 V max.
12 Vin models: 25 V max.
24 Vin models: 50 V max.
48 Vin models: 100 V max.
9 Vin models: 4.5 V (or lower)
12 Vin models: 9 V (or lower)
24 Vin models: 18 V (or lower)
48 Vin models: 36 V (or lower)
Under voltage shut down
9 Vin models: 2 - 4 V
12 Vin models: 6 - 8 V
24 Vin models: 13 - 17 V
48 Vin models: 29 - 35 V
Input filter
internal capacitor
Recommended input fuse
9 Vin models: 1.6 A (slow blow type)
12 Vin models: 0.8 A (slow blow type)
24 Vin models: 0.5 A (slow blow type)
48 Vin models: 0.315 A (slow blow type)
Conducted noise
EMC immunity
EN 55032 class A or B with external components
www.tracopower.com/overview/tec3
–
Application note for filter class A/B proposal
– ESD (electrostatic discharge)
EN 61000-4-2, air 8 kV, contact 6 kV,
perf. criteria A
– Radiated immunity
– Fast transient / surge
(with external input capacitor)
EN 61000-4-3, 10 V/m, perf. criteria A
EN 61000-4-4, 2 kV, perf. criteria A
EN 61000-4-5, 1 kV perf. criteria A
all models: Nippon chemi-con KY 220µF/100V
EN 61000-4-6, 10 Vrms, perf. criteria A
EN 61000-4-8
– Conducted immunity
– Magnetic field immunity
100 A/m, continuous, perf. criteria A
1000 A/m, 1 sec., 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 %)
– Load variation (10 – 90 %)
– Cross regulation
single output: 1 % max.
dual output: 1 % max. (balanced load)
single output: 0.5 % max.
dual output: 0.8 % max. (balanced load)
dual output: 5 % max. (asymmetrical load 25 % / 100 %)
Temperature coefficient
0.02 %/K max.
Ripple and noise (20 MHz Bandwidth)
Current limitation
75 mVp-p typ.
140 - 240 % of Iout max.
continuous, automatic recovery
Short circuit protection
Start up time
(constant resistive load)
– Power ON
– Remote ON
10 ms typ. / 20 ms max.
10 ms typ. / 20 ms max.
Transient response time (25% load step change)
500 μs typ.
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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