120W 12V DC-DC Power Module , Mini ITX Power Supply
120W12VDC ITX Power Supply/DC Power Board/DC-DC Power Module LR1204-Q
Specifications:
1. Good outside design
2. Solid efficient power board
Realan Mini ITX Power LR1204-120W12VDC-Q 
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 | +11.20 | 12.00 | +12.8 | 120 | 0 | 4.0 | 4.5 |
-12.00V | +10.80 | -12.00 | -13.20 | 120 | 0 | 0.05 | 0.1 |
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
SILKSCREEN TOP
PRODUCT OUTLINE DRAWING
