PYD20 Manual
DC-DC Converter Isolated, 20W, 2x1”, PCB Mount
12. I
SOLATION AND
D
IELECTRIC
S
TRENGTH
The output voltage is floating and has no ohmic connection to the input.
A
Input
Output
+
-
(COM)
(TRIM)
+
-
R/C
Hi-pot tests may be repeated by the customer using appropriate test
equipment, which applies the voltage with a slow ramp (2s up and 2s
down). Connect all input-terminals together as well as all output poles
before conducting the test.
Dielectric strength
Min.
Min.
3000Vac or
4200Vdc
Input to output for 1 minute
Isolation resistance
Min.
1 G
Ω
Measured at 500Vdc
Isolation capacitance
Typ.
20pF
Input to output
13. P
ROTECTION
F
EATURES
Under voltage protection (UVP)
Turn-On voltage
Min.
Typ.
Max.
8.5Vdc
9.0Vdc
9.5Vdc
For all models at 70% load
Under voltage protection (UVP)
Shut-down voltage
Min.
Typ.
Max.
7.0Vdc
7.5Vdc
8.0Vdc
For all models at 70% load, 1.5V lock-out
hysteresis voltage
Input surge voltage
Max. 200Vdc
For maximal 100ms
Output over voltage protection (OVP)
6.2Vdc
15Vdc
18Vdc
±15Vdc
±18Vdc
±30Vdc
Zener diode type
For 5V output
For 12V output
For 15V output
For ±12V output
For ±15V output
For ±24V output
Output over-current protection (OCP)
Min.
Typ.
Max.
110%
150%
180%
Of nominal output current, intermittent
operation (hiccup mode)
Output short-circuit protection (SCP)
Included
Continuous, automatic recovery
Over temperature protection (OTP)
Typ.
110°C
Case temperature, Automatic recovery
when temperature falls below 92°C
Reverse input polarity protection
Not included
Use external protection diode if required
Degree of pollution
2
According to IEC 60664-1, not conductive
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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DOC-ID: 260921 – Issue 1
