PYH200 Manual
DC-DC Converter Isolated, 200W, ½ Brick, PCB Mount
13. P
ROTECTION
F
EATURES
Under voltage protection (UVP)
Turn-On voltage
Min.
Typ.
Max.
12.5Vdc
13.0Vdc
13.5Vdc
For all models at 70% load, when UVLO
pin is left open, can be adjusted with
external resistor
Under voltage protection (UVP)
Shut-down voltage
Min.
Typ.
Max.
10.5Vdc
11.0Vdc
11.5Vdc
For all models at 70% load, 2V lock-out
hysteresis voltage
Input surge voltage
Max. 180Vdc
For maximal 100ms
Output over voltage protection (OVP)
Min.
Typ.
Max.
117%
125%
140%
Output over-current protection (OCP)
Min.
Typ.
Max.
110%
125%
140%
Of nominal output current, intermittent
operation (hiccup mode)
Output short-circuit protection (SCP)
Included
Continuous, automatic recovery
Over temperature protection (OTP)
Typ.
105°C
Temperature at the centre part of base
plate, non-latching, automatic recovery
when temperature falls below 95°C
Reverse input polarity protection
Not included
Use external protection diode if required
Degree of pollution
2
According to IEC 60664-1, not conductive
Under-voltage control feature UVLO
2 UVLO
6 -Vin
1 +Vin
PYH200
R
1
(
A
dj
ust)
The PYH200 series has an adjustable under voltage lockout feature for the input
voltage, which will shut down the converter according to following settings.
Nominal input voltage
DC 24V
DC 36V
DC 48V
DC 72V
DC 110V
Turn-on voltage
13.0V ±0.5V
22.0V ±1.0V
29.6V ±1.0V
44.6V ±1.0V
58.0V ±1.0V
Shut-down voltage
11.0V ±0.5V
20.0V ±1.0V
27.3V ±1.0V
41.6V ±1.0V
53.0V ±1.0V
Resistor between pin 2
and pin 6
open
62k
Ω
34k
Ω
18k
Ω
10k
Ω
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/info/en/products/power/index.html
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DOC-ID: IM-PYH200-2022-05-04