Data Sheet
September 23, 2011
QBVW033A0B Series Power Modules; DC-DC Converters
36-75V
dc
Input; 12V
dc
Output; 33A Output Current
Electrical Specifications
(continued)
Parameter
Output Voltage Set-point
(V
IN
=V
IN,nom
, I
O
=16.5A, T
A
=25°C)
Output Voltage
(Over all operating input voltage (40V to 75V), resistive
load, and temperature conditions until end of life)
Output Regulation [V
IN, min
= 40V]
Line (V
IN
= V
IN, min
to V
IN, max
)
Load (I
O
=I
O, min
to I
O, max
)
Load (I
O
=I
O, min
to I
O, max
), Intentional Droop
Temperature (T
A
= -40ºC to +85ºC)
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
and I
O
=I
O, min
to I
O, max
)
RMS (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Output Capacitance
For C
O
>5000uF, I
O
must be < 50% I
O, max
during T
rise
.
Output Current
Output Current Limit Inception
Efficiency
V
IN
=V
IN, nom
, T
A
=25°C
I
O
=100% I
O, max,
V
O
= V
O,set
I
O
=40% I
O, max
to 75% I
O, max ,
V
O
= V
O,set
Switching Frequency
Dynamic Load Response
dI
O
/d
t
=1A/10s; V
in
=V
in
,
nom
; T
A
=25°C;
(Tested with a 1.0μF ceramic, a 10μF tantalum, and
470μF capacitor and across the load.)
Load Change from I
O
= 50% to 75% of I
O,max
:
Peak Deviation
Settling Time (V
O
<10% peak deviation)
Load Change from I
O
= 75% to 50% of I
O,max
:
Peak Deviation
Settling Time (V
O
<10% peak deviation)
All
V
pk
t
s
V
pk
t
s
__
500
700
__
mV
pk
s
mV
pk
s
All
All
All
All
All
C
O, max
I
O
I
O,lim
0
0
40
70
200
10,000
33
mV
rms
mV
pk-pk
μF
A
dc
A
dc
All
All w/o -P
-P Option
All
0.2
0.2
0.50
2
% V
O, set
% V
O, set
V
dc
% V
O, set
Device
All
All w/o -P
-P Option
Symbol
V
O, set
V
O
V
O
Min
11.97
11.76
11.63
Typ
12.00
Max
12.03
12.24
12.37
Unit
V
dc
V
dc
V
dc
All
All
η
f
sw
95.5
96.0
150
%
kHz
All
__
__
500
700
__
Isolation Specifications
Parameter
Isolation Capacitance
Isolation Resistance
Symbol
C
iso
R
iso
Min
10
Typ
1000
Max
Unit
pF
MΩ
General Specifications
Parameter
Calculated Reliability Based upon Telcordia SR-332
Issue 2: Method
I,
Case 3, (I
O
=80%I
O, max
, T
A
=40°C,
Airflow = 200 LFM), 90% confidence
Weight – Open Frame
Weight – with Base plate option
Symbol
MTBF
FIT
Device
All
All
Typ
3,108,685
321.7
47.4 (1.67)
66.4 (2.34)
Unit
Hours
10 /Hours
g (oz.)
g (oz.)
9
LINEAGE
POWER
3
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
