12V DC-DC Power Module Over Voltage Protection For Computer

 

12V DC-DC Power Module Over Voltage Protection For Computer 

 

Good Dc Power Board For Your Computer 

 

Specifications:

1.Good outside design
2.Solid efficient power board
3.Over voltage and short circuit protection

 

Realan Mini ITX Power LR1204-120W12VDC

 

INPUT REQUIRED:

 

INPUT VOLTAGE RANGE: 11.4VDC—12.6VDC

INCOMING CURRENT RANGE: 12.0A Max @11.4VDC

INPUT SURGING CURRENT:12.0Vmax@12VDC

WORK EFFICIENCY: ≥85%

 

 

OUTPUT REQUIRED:

 

FIVE GROUPS OF POWER OUTPUT

Item	Output voltage				Output current(A)
	min(V)	Avg(V)	max(V)	Ripple wave(mV)	Sb current	Avg	peak
+3.30V	+3.14	+3.30	+3.47	50	0	8.0	10.0
+5.00VSB	+4.75	+5.00	+5.25	50	0.1	1.6	2.0
+5.00V	+4.75	+5.00	+5.25	50	0	8.0	10.0
+12.00V	+11.40	12.00	+12.6	120	0	4.0	4.5
-12.00V	-11.40	-12.00	-12.6	120	0	0.1	0.15

 

 

Input/output interface:

 

 

 

INPUT

 

OUTPUT

Defencive function (for+3.3V, +12V, +5.00V&+5.00VSB power output)

OCP: output shut down when output current reaches the peak point.

Short-circuit protection: output shut down when short-circuit.

 

 

PSU timing sequence:

 

 

 

Environment description:

 

Working temperature/humidity 15°C to 35°C / 45%-75%

Reposition temperature//humidity -40°C to +70°C/ 10%-90%

Atmospheric pressure 86Kpa—106Kp

 

 

Other parameters:

 

Working frequency: Ic built-in oscillator (250-350) kHz@Vcc=12V

 

 

Feedback reference voltage:0.8V±2%@12VDC

 

 

 

Design drawing:

 

TOP

 

BOTTOM

 

PRODUCT OUTLINE DRAWING

 

SILKSCREEN TOP