1.Product characteristics

• Compliant with IEEE802.3af standard
• 38V~57V wide operating voltage range.
• Maximum output power up to 13W；Rated output：12V/1.1A.
• The output ripple is less than 150 mV.
• Conversion efficiency can be as high as 87% (input: 48V output)12V@1.1A).
• With over current short circuit under voltage surge and other excellent reliability and circuit protection. 
• PCBA standard size: 85mm*25mm*18mm
• Input/Output: isolate 1500Vdc.
• The battery provides uninterruptible power supply, which can be switched at will.

2.Scope of application

• Video and VoIP Phone
• RFID Reader
• Multiband Access Point
• Surveillance Camera

3. Pin definition 

Pin	Name	Describe
1	Network	TX_D1+ Tranceive Data+ （send data+）.
2		TX_D1- Tranceive Data- （send data-）.
3		RX_D2+ Receive Data+ （receive data+）.
4		RX_D2- Receive Data- （receive data-）.
5	VOUT	PoE DC to DC 12v negative output port.
6		PoE DC to DC 12v positive output port.
7	BAT	Lithium battery positive input.
8		Lithium battery negative input.

4. Electrical characteristics

4.1 Absolute maximum rating parameter

No	Parameter	Symbol	MIN	MAX	Units
1	DC Voltage	VCC	38	57	V
2	DC Voltage Surge 1ms	VSURGE	-0.6	80	V
3	Ambient temperature	TS	-40	80	℃

*Exceeding the above rating may cause permanent damage to the product.Functional operations under these conditions are not recommended.

4.2 Recommended working conditions

No	Parameter	Symbol	MIN	TYP	MAX	Units
1	Lithium battery input	VBAT	6.2	7.4	8.4	V
2	BAT Low Voltage Lock	VLOCK	-	-	6	V
3	Working temperature	TOP	-40	25	80	℃

*Applicable only to WC-PD13D120P maximum operating temperature.

5.3 DC characteristic

No	Parameter	Symbol	MIN	TYP	MAX	Units	Test Opinions
1	Standard Output Voltage	Vout	11	12	12.7	V	VIN=48v VBAT=7.4V
2	Output Current (VIN=48V)	PWR	-	1	1.2	A	VIN=48V VBAT=7.4V
3	Power adjustment rate	VLINE	-	0.1	-	%	@50% Load
4	Load Adjustment Rate	VLOAD	-	1	-	%	@VIN=48V
5	Ripple Output Noise	VRN	-	150	200	mVp-p	@Maximum Load
6	Minimum Load	RLOAD	10	-	-	mA
7	Short circuit duration	TSC	-	-	∞	sec
8	Efficiency (load 80%)	EFF	82	87	-	%
9	Isolation Voltage (I/O)	VISO	-	-	1500	VPK
10	Temperature coefficient	TC	-	0.02		%	Per ℃
11	Dynamic response	TS	-	60	100	ms	VIn=48V Vout=max

1: Typical number is 25 C, nominal voltage is 48V, for auxiliary design only.

2: Output ripple and noise can be reduced by an external filter, see the application instructions.

3: If operated under the specified minimum load, the module emits audible noise and may cause PSE malfunction.