Data Sheet
QPW050/060 Series Power Modules; DC-DC converters
36-75Vdc Input; 1.2Vdc to 3.3Vdc Output
March 27, 2008
Electrical Specifications (continued)
Parameter
Device
Symbol
Min
Typ
Max
Unit
3.3V
2.5V
1.8V
1.5V
1.2V
3.24
2.45
1.77
1.47
1.18
3.30
2.25
1.80
1.50
1.20
3.36
2.55
1.83
1.53
1.22
Output Voltage Set-point
(VIN=VIN,nom, IO=IO, max, Tc =25°C)
VO, set
Vdc
3.3V
2.5V
1.8V
1.5V
1.2V
3.20
2.42
1.74
1.44
1.15
3.40
2.57
1.86
1.56
1.25
Output Voltage
(Over all operating input voltage, resistive load,
and temperature conditions until end of life)
VO
Vdc
⎯
Output Regulation
Line (VIN=VIN, min to VIN, max
Load (IO=IO, min to IO, max
)
All
All
All
0.05
0.05
15
0.2
0.2
50
%Vo
%Vo
mV
⎯
⎯
⎯
)
Temperature (Tc = -40ºC to +85ºC)
Output Ripple and Noise on nominal output
(VIN=VIN, nom and IO=IO, min to IO, max
)
RMS (5Hz to 20MHz bandwidth)
All
30
mVrms
⎯
⎯
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Capacitance
All
All
100
mVpk-pk
⎯
⎯
⎯
⎯
CO, max
Io
μF
Output Current
3.3V
0
0
50
60
⎯
⎯
Adc
Adc
Adc
Adc
2.5V –
1.2V
Io
Output Current Limit Inception
3.3V
IO, lim
58
69
⎯
⎯
2.5V –
1.2V
IO, lim
IO, s/c
IO, s/c
Output Short-Circuit Current
A rms
A rms
⎯
⎯
⎯
⎯
(VO≤250mV) ( Hiccup Mode )
3.3V
2.5V
1.8V
1.5V
1.2V
η
η
η
η
η
93
91
89
87
85
%
%
%
%
%
⎯
__
__
__
__
⎯
__
__
__
__
Efficiency
VIN=VIN, nom, Tc=25°C
IO=IO, max , VO= VO,set
Switching Frequency
fsw
300
kHz
⎯
⎯
Dynamic Load Response
(ΔIo/Δt=1A/10μs; Vin=Vin,nom; Tc=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
%VO, set
μs
Vpk
ts
4
200
⎯
__
⎯
__
All
Settling Time (Vo<10% peak deviation)
Load Change from Io= 75% to 50% of Io,max:
Peak Deviation
Vpk
ts
__
4
__
%VO, set
Settling Time (Vo<10% peak deviation)
200
⎯
⎯
μs
LINEAGE POWER
3