Data Sheet
April 2, 2008
Electrical Specifications:
PIM300X Series; ATCA Board Power Input Modules
-38 to -75Vdc; 300W Input
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions.
Parameter
Device
Symbol
Min
Typ
Max
Unit
Main Input (-48_AF,-48_BF,VRTN_AF,VRTN_BF); (Absolute values)
Operating Input Voltage
(Module will operate down to –36V depending on
the output power and thermal environment but
may not support holdup time requirements)
Input Voltage Turn-on Threshold
(Module On)
Under Voltage Lockout Threshold
(Module Off)
Maximum current drain if input voltage falls below
V
UVLO
for > 2 seconds.
Maximum Input Current
(V
I
=0V to -75Vdc, P
in
=P
in, max
)
Inrush Transient
(@ -48 V
I
and with C_FLTR = 200μF)
Duration: 0.1 to 0.9msecs (Per PICMG 3.0 specs.)
Duration: 0.9 to 3 ms (Per PICMG 3.0 specs.)
(Logarithmically declining)
Duration: 3 to 100ms (Per PICMG 3.0 specs.)
All
V
I
-38
-48
-75
Vdc
All
All
All
All
All
V
UVHI
V
UVLO
I
stdby
I
I, max
Ipk
Ipk
Ipk
Ipk
-34.3
-32.4
-35.3
-33.7
-36.0
-34.1
10
9.0
Vdc
Vdc
mA
Adc
Adc
20
(<50μs)
44
44 to 18
6.25
8.8
Adc
Adc
Adc
ENABLE A/B Signal Inputs (ENABLE_A, ENABLE_B)
Enable A / B Signals current drain (Vin = -75Vdc)
All
700
μAdc
Main Output (-48V_OUT, VRTN_OUT)
External Output Filter Capacitance (C_FLTR)
All
C_FLTR
200*
330
μF
72V Holdup Capacitor Output (72V_CAP)
72V_CAP Output Voltage Tolerance
72V_CAP ON (OR’d) Input Voltage Threshold
All
68.4
-36.2
72.0
-37.7
74.2
-39.2
Vdc
Vdc
A/B Feed Loss / Fuse Alarm Output (-48V_ALARM)
-48V_ALARM is an Opto-isolated open collector
output with the emitter internally referenced to
LOGIC_GND.
Alarm Characteristics:
Power Good / Fuse Good = LO (Opto conducting)
A or B Feed Loss / Fuse (open) = HI (Opto off)
Alarm ON Input Voltage Threshold
Opto Transistor Collector to Emitter Voltage
Opto Transistor Collector to Emitter Dark Current
(Opto Diode current, Id = 0A)
Opto Transistor Collector Current
Opto Transistor Collector Saturation Voltage
All
Vceo
Iceo
Ic
V
CE(sat)
-36.1
-37.2
-38.2
40
100
5
0.3
Vdc
Vdc
nA
mA
Vdc
Note: * See “Design Considerations” section for further information.
LINEAGE
POWER
4
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
