Datasheet

DS_DIM3R3400_08142013 E-mail: DCDC@delta.com.tw
http://www.deltaww.com/dcdc
P14
MECHANICAL DRAWING
Pin No
Name
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
-48V_A
-48V_B
VRTN_A
VRTN_B
ENABLE_A
ENABLE_B
SHELF_GND
5.0V
3.3V
I2C_ADDRESS
I2C_DATA
I2C_CLOCK
LOGIC_GND
ALARM
-48V_OUT
HU_Trim
VRTN_OUT
HU_CAP
-48V_A Feed (Externally Fused)
-48V_B Feed (Externally Fused)
VRTN_AF Feed (Externally Fused)
VRTN_BF Feed (Externally Fused)
ENABLE_AF Feed (Externally Fused) (Short Res, connected to VRTN_A on the back plane)
ENABLE_BF Feed (Externally Fused) (Short Res, connected to VRTN_B on the back plane)
Shelf / Chassis / Safety Ground
5V Isolated Power output (reference to LOGIC_GND)
3.3V Isolated Output (reference to LOGIC_GND)
I2C Address Input (reference to LOGIC_GND)
I2C data (reference to LOGIC_GND)
I2C clock (reference to LOGIC_GN)
Logic / Secondary / Isolated Ground
Opto-isolated -48V A/B Feed Loss or Open Fuse Alarm (reference to LOGIC_GND)
OR’d and Inrush Protected –48V Output Bus ((Negative output to payload power converter))
Hold Up cap voltage trim
OR’d and Inrush Protected VRTN Output Bus (Positive output to payload power converter)
Holdup/Bulk capacitor output voltage (Negative Connection to -48V_OUT)
Pin Specification:
Pins 1-18
1.00mm (0.040”) diameter
All pins are copper alloy with Matte Sn over Ni plating.