Characteristic curves – GE Industrial Solutions PIM300X Series User Manual
Page 8

Data Sheet
November 29, 2010
PIM300X Series; ATCA Board Power Input Modules
-38 to -75Vdc; 300W Input
LINEAGE
POWER
8
Characteristic Curves
(continued)
The following figures provide typical characteristics for the PIM300X modules at 25ºC.
Figure 5. Input Voltage Turn-On Threshold
CH1: -48_AF, CH2: -48V_OUT,
CH4: Iin(-48_AF)
Test Conditions:
-48_AF=-48Vdc, -48V_BF=0Vdc
I(-48V_OUT)=1A, I(MGMT_PWR)=0A
C_FLTR=200
μF, C_HLDP=0μF
Figure 6. Input Voltage Turn-Off Threshold
CH1: -48_AF, CH2: -48V_OUT,
CH4: Iin(-48_AF)
Test Conditions:
-48_AF=-48Vdc, -48V_BF=0Vdc
I(-48V_OUT)=1A, I(MGMT_PWR)=0A
C_FLTR=200
μF, C_HLDP=0μF
Figure 7. Loss of Feed A; Switchover to Feed B
CH1: MGMT_PWR, CH2: -48V_OUT,
CH3: Iin(-48_AF), CH4: Iin(-48V_BF)
Test Conditions:
1. Feed A (-48V_AF=60V) > Feed B (-48V_BF=48V)
2. Fast Loss of Feed A; Switchover to Feed B
3. PIM300F @ Max Load (Pin=300W)
4. C_FLTR=200
μF, C_HLDP=4X470μF
Figure 8. Holdup Performance; Loss of
Feed A (with Feed B=0Vdc); Load=QBW
CH1: Iin(-48V_AF), CH2: 48_AF,
CH3: 48V_OUT, CH4: 12Vout
Test Conditions:
1. 48_AF= 43Vdc; 48V_BF=0 Vdc
2. Pin=300W; 12Vout=22.5A; 3.3V=2.42A
3. C_FLTR=200
μF, C_HLDP=Qty4 X 470μF