PYD20 Manual
DC-DC Converter Isolated, 20W, 2x1”, PCB Mount
Output voltage accuracy range
±1%
Factory setting
Line regulation
Max.
±0.2%
Between 8.5 and 160Vdc
Load regulation
Max.
Max.
±0.2%
±1.0%
For single output models
For dual output models
Transient response recovery time
250µs
For a 75% to 100% load step
Cross regulation (dual models)
Max.
±5%
Asymmetrical load 25%/100%
Temperature coefficient
Max.
±0.02%/°C
Start-up time
Typ.
Typ.
15ms
10ms
For 5V output
For all other models
For resistive load, after applying an input
voltage or remote ON signal and reaching
95% of output voltage
Ripple and noise voltage
Max.
Max.
75mVp-p
100mVp-p
For 5V output
For all other models
Bandwidth 20MHz, and 1µF capacitor
Max.
40mV rms
For all models
Efficiency Typ.
Typ.
86.0% to 90.0%
85.0% to 89.0%
At 72Vdc, full load, depending on model
At 110Vdc, full load, depending on model
Operational temperature range
-40°C to +105°C
See chapter “Thermal Considerations” for
derating requirements
Case temperature
Max.
+105°C
Storage temperature rang
-55°C to +125°C
Relative humidity
Max.
95% RH
No condensation allowed
Altitude
Max.
5000m / 16 400ft
Atmospheric pressure
110-54kPa
Vibration
20Hz-1kHz:0.04g
2
/Hz
1-2kHz: -6dB/octave
60 minutes per axis
According to MIL-STD-810F,
random vibration,
units are operational
Shock
50 g, 11 ms
18 shocks (3 shocks
for each ±axis)
According to MIL-STD-810F,
units are operational
Size
50.8x 25.4x 10.2mm
2 x 1 x 0.4”
Length x Width x Height
Weight
28.5g / 0.063lb
MTBF
1 242 000h
1 397 000h
1 631 000h
1 341 000h
1 571 000h
1 622 000h
For 5V model
For 12V model
For 15V model
For ±12V model
For ±15V model
For ±24V model
Acc. to MIL HDBK 217F at full load, GB25°C
1) This is the nominal current which must not be exceeded even at lower tuned output voltages. At higher output
voltages, the current is reduced according to the nominal power.
Below 12Vdc the continuous output power is reduced according to the following curve:
0
8.5 12
160Vdc
20W
Allowed Output Power
14W
Input Voltage
All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless
otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.
For additional information, please visit
https://product.tdk.com/en/power/py
.
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