GE Industrial Solutions QPW025A0F41_H - Manual (Page 3)

Data Sheet
October 5, 2009
QPW025A0F41/QPW025A0F41-H DC-DC Power Module
36-75Vdc Input; 3.3Vdc Output Voltage; 25A Output Current
LINEAGE POWER 3
Electrical Specifications (continued)
Parameter Symbol Min Typ Max Unit
Output Voltage Set-point V
O, set
3.24 3.3 3.36 % V
O, set
(V
IN
=V
IN,nom
, I
O
=I
O, max
, T
ref
=25°C) -1.6 +1.6 % V
O, set
Output Voltage V
O
3.2 - 3.4 % V
O
(Over all operating input voltage, resistive load,
and temperature conditions until end of life)
Output Regulation
Line (V
IN
= V
IN, min
to V
IN, max
) ⎯ 0.05 0.2 % V
O, nom
Load (I
O
= I
O, min
to I
O, max
) ⎯ 0.05 0.2 % V
O, nom
Temperature (T
ref
=T
A, min
to T
A, max
) ⎯ 0.15 0.50 % V
O, nom
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
and I
O
= I
O, min
to I
O, max
,
C
out
= 1μF ceramic // 10μF Tantalum capacitor)
RMS (5Hz to 20MHz bandwidth) ⎯ 10 20 mV
rms
Peak-to-Peak (5Hz to 20MHz bandwidth) ⎯ 45 60 mV
pk-pk
External Capacitance C
O
0 ⎯ 10000 μF
Output Current I
o
0 25 A dc
Output Current Limit Inception (Hiccup Mode)
(V
o
= 90% V
o, set
)
I
O, lim
105 120 130 % I
o, max
Output Short-Circuit Current I
O, s/c
⎯ 130 150 % I
o, max
V
O
≤ 250 mV @ 25 o C
Efficiency
V
IN
= 48V, T
A
=25°C, I
O
= I
O, max
A η ⎯ 92.5 ⎯ %
Switching Frequency f
sw
⎯ 300 ⎯ KHz
Dynamic Load Response
(dI
O
/dt=0.1A/ μs; V
IN
=V
IN
,
nom
; T
A
=25°C)
Load change from I
O
= 50% to 75% of I
O, max
Peak Deviation V
pk
⎯ 5 ⎯ % V
O
Settling Time (V
O
<10% peak deviation) t
s
⎯ 150 ⎯ μs
Load change from I
O
= 50% to 25% of I
O, max
,
Peak Deviation V
pk
⎯ 5 ⎯ % V
O
Settling Time (V
O
<10% peak deviation) t
s
⎯ 150 ⎯ μs
Isolation Specifications
Parameter Symbol Min Typ Max Unit
Isolation Capacitance C
ISO
⎯ 2700 ⎯ pF
Isolation Resistance R
ISO
10 ⎯ ⎯ MΩ
General Specifications
Parameter Symbol Min Typ Max Unit
Calculated Reliability based upon Telcordia SR-
332, Issue 2; Method I Case 3 (I
O
= 80% of I
O, max
,
T
A
=40°C, airflow = 200 lfm, 90% confidence)
MTBF
FIT
2,808,445
356
Hours
10 9 /Hours
Weight ⎯ 31 (1.1) ⎯ g (oz.)