30POEX_48-A Series
30W - Single Output - Wide Input - Isolated & Regulated
DC-DC Converter
DC-DC Converter
30 Watt
Efficiency up to 85%
Meet CISPR22/EN55022
The 30POEX_48-A module is designed to extract power from a conventio-
nal twisted pair Category 5 Ethernet cable, conforming to the IEEE 802.3at
Power-over-Ethernet (PoE) standard.
Over load protection
Short circuit protection (SCP)
Operating temperature range:
-40°C ~ +85°C
CLASS A
IEEE 802.3at
SIP & DIP pin-style
The 30POEX_48-A signature and control circuit provides the PoE compati-
bility signature and power classification required by the Power Sourcing
Equipment (PSE) before applying up to 30W power to the port.
The 30POEX_48-A is compatible with Class 0 to Class 3 equipment.
The high efficiency DC/DC converter operates over a wide input voltage
range and provides a regulated low ripple and low noise output. The DC/
DC converter also has built-in overload and short-circuit output protection.
Common specifications
Short circuit protection:
Cooling:
Output specifications
Hiccup, automatic recovery
Free air convection
-40°C~+85°C
Item
Test condition
Min
Typ
10
Max Units
Voltage regulation
Load regulation
Output Ripple & Noise
mV
mV
Operation temperature range:
Storage temperature range:
Rate of change temperature:
Case/board temperature:
Storage humidity range:
Air pressure*:
Io = Io,min to Io,max
25
-55°C~+125°C
5~20MHz:
• 30POEX_4805
• 30POEX_4812
30
30
50
70
mVpk-pk
mVpk-pk
0,5 °C/min
-40~100°C MAX
5%RH MIN, 95%RH MAX
70-106kPa
Start delay time
Set time
200
50
4
ms
ms
Overshoot
8
%Vo
MTBF:
2000 khours
Transient response
(0.1A/uS)
50%~75%~50%Inom
Vin=48V
25V/100µF capacitor
130/
160
mV/uS
Weight:
22g
* Output connects 10µF tantalum capacitor and 1µF ceramic capacitor; the dis-
tance between output capacitors and module’s pin is 50mm~70mm.
Note:
30POE_4812-A, when 36V input, output current should be not more than 2.2A
Input specifications
Example:
30POEX_4805-A
Item
Test condition
Min
36
Typ
48
Max
57
Units
V
30 = 30 Watt; POE = Power Over Ethernet; X = S = SIP; 48 = 48Vin;
05 = 5Vout; A = Pinning
Operating input voltage
Maximum input voltage
60
VDC
Note:
Isolation specifications
Item
1. All specifications measured at Ta = 25°C, humidity <75%, nominal input voltage
and rated output load unless otherwise specified.
2. In this datasheet, all the test methods of indications are based on corporate
standards.
Test condition
Min
Typ
Max
Units
VDC
Isolation voltage
Input-output
1mA-1min
1500
3. Only typical models listed, other models may be different, please contact our
technical person for more details.
4. Our company offer custom products.
5. Specifications subject to change without notice.
Maximum input voltage
60
VDC
Protection specifications
Item
Test condition
Min
Typ
33
Max Units
V
Input low voltage
Output over load
Auto recovery: YES
Auto recovery: YES
• 30POEX_4805
• 30POEX_4812
7.5
3.3
A
A
Page 1 of 3
30POEX_48-A – Rev. 2020-1.1
Specifications subject to change without notice.
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
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