Data Sheet
March 27, 2008
QPW050/060 Series Power Modules; DC-DC converters
36-75Vdc Input; 1.2Vdc to 3.3Vdc Output
Electrical Specifications
(continued)
Parameter
Output Voltage Set-point
(V
IN
=V
IN,nom
, I
O
=I
O, max
, T
c
=25°C)
Device
3.3V
2.5V
1.8V
1.5V
1.2V
3.3V
2.5V
1.8V
1.5V
1.2V
All
All
All
Symbol
Min
3.24
2.45
1.77
1.47
1.18
3.20
2.42
1.74
1.44
1.15
⎯
⎯
⎯
Typ
3.30
2.25
1.80
1.50
1.20
Max
3.36
2.55
1.83
1.53
1.22
3.40
2.57
1.86
1.56
1.25
0.2
0.2
50
Unit
V
O, set
V
dc
Output Voltage
(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
)
Load (I
O
=I
O, min
to I
O, max
)
Temperature (T
c
= -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 Capacitance
Output Current
V
O
⎯
V
dc
0.05
0.05
15
%Vo
%Vo
mV
All
All
All
3.3V
2.5V –
1.2V
C
O, max
I
o
I
o
I
O, lim
I
O, lim
I
O, s/c
I
O, s/c
3.3V
2.5V
1.8V
1.5V
1.2V
η
η
η
η
η
f
sw
⎯
⎯
⎯
0
0
⎯
⎯
⎯
⎯
⎯
__
__
__
__
⎯
⎯
⎯
⎯
30
100
mV
rms
mV
pk-pk
μF
50
60
58
69
⎯
⎯
⎯
⎯
93
91
89
87
85
300
⎯
__
__
__
__
⎯
Adc
Adc
Adc
Adc
A rms
A rms
%
%
%
%
%
kHz
Output Current Limit Inception
3.3V
2.5V –
1.2V
Output Short-Circuit Current
(V
O
≤250mV)
( Hiccup Mode )
Efficiency
V
IN
=V
IN, nom
, T
c
=25°C
I
O
=I
O, max ,
V
O
= V
O,set
Switching Frequency
Dynamic Load Response
(ΔIo/Δt=1A/10μs; V
in
=V
in
,nom; T
c
=25°C; Tested
with a 10
μF
aluminum and a 1.0
μF
ceramic
capacitor across the load.)
Load Change from Io= 50% to 75% of Io,max:
Peak Deviation
Settling Time (Vo<10% peak deviation)
Load Change from Io= 75% to 50% of Io,max:
Peak Deviation
Settling Time (Vo<10% peak deviation)
All
V
pk
t
s
V
pk
t
s
⎯
__
__
⎯
4
200
4
200
⎯
__
__
⎯
%V
O, set
μs
%V
O, set
μs
LINEAGE
POWER
3
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
