QPW050/060A Series Power Modules; dc-dc Converters
36-75 Vdc Input; 1.2Vdc to 3.3Vdc Output; 50A/60A
Features
Delivers up to 60A output current
3.3V (50A), 2.5V – 1.2V (60A each)
High efficiency – 93% at 3.3V full load
Improved Thermal Performance:
30A at 70ºC at 1m/s (200LFM) for 3.3V
o
High power density: 119 W/in
3
Low Output Voltage – supports migration to future
IC supply voltages down to 1.0V
Low output ripple and noise
Industry standard Quarter brick:
57.9 mm x 36.8 mm x 10.6 mm
(2.28 in x 1.45 in x 0.42 in)
Cost efficient open frame design
Single tightly regulated output
Remote sense
2 : 1 input voltage range
Constant switching frequency
Negative Remote On/Off logic
Output over current/voltage protection
Overtemperature protection
Output voltage adjustment (±10%)
Wide operating temperature range (-40°C to 85°C)
ISO** 9001 certified manufacturing facilities
Meets the voltage insulation requirements for
ETSI 300-132-2 and complies with and is licensed
for Basic Insulation rating per EN60950-1
UL*
60950 Recognised,
CSA
†
C22.2 No. 60950-00
Certified, and EN 60950 (VDE
‡
0805): 2001-12
Licensed
CE mark meets 73/23/EEC and 93/68/EEC
§
directives
Applications
Distributed power architectures
Wireless Networks
Access and Optical Network Equipment
Enterprise Networks
Latest generation IC’s (DSP, FPGA, ASIC) and
Microprocessor powered applications.
Options
Positive Remote On/Off logic
Case ground pin (-H Baseplate option)
Auto restart after fault shutdown
Basic Insulation Approved (-B Suffix)
Description
The QPW-series dc-dc converters are a new generation of DC/DC power modules designed for
maximum efficiency and power density. The QPW series provide up to 60A output current in an industry
standard quarter brick, which makes it an ideal choice for small space, high current and low voltage
applications. The converter incorporates synchronous rectification technology and innovative packaging
techniques to achieve ultra high efficiency reaching 93% at 3.3V full load. The ultra high efficiency of this
converter leads to lower power dissipation such that for most applications a heat sink is not required. The
*
UL
is a registered trademark of Underwriters Laboratories, Inc.
CSA
is a registered trademark of Canadian Standards Association.
VDE
is a trademark of Verband Deutscher Elektrotechniker e.V.
§
This product is intended for integration into end-user equipment. All the required procedures for CE marking of end-user equipment should be followed. (The CE mark is
placed on selected products.)
‡
†
** ISO is a registered trademark of the International Organization of Standards
QPW050/060A Series Power Modules; dc-dc Converters
36 – 75 Vdc Input; 1.2Vdc to 3.3Vdc Output
Data Sheet
Sept 16, 2003
QPW series power modules are isolated dc-dc converters that operate over a wide input voltage range of
36 to 75 Vdc and provide single precisely regulated output. The output is fully isolated from the input,
allowing versatile polarity configurations and grounding connections. Built-in filtering for both input and
output minimizes the need for external filtering.
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are
absolute stress ratings only, functional operation of the device is not implied at these or any other conditions in
excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for
extended periods can adversely affect the device reliability.
Parameter
Input Voltage
Continuous
Transient (100ms)
Operating Ambient Temperature
(See Thermal Considerations section)
Storage Temperature
I/O Isolation Voltage
All
All
T
stg
-55
125
1500
°C
Vdc
All
V
IN
V
IN, trans
T
A
-0.3
-0.3
-40
80
100
85
Vdc
Vdc
°C
Device
Symbol
Min
Max
Unit
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions.
Parameter
Operating Input Voltage
Maximum Input Current
(V
IN
=0V to 75V, I
O
=I
O, max
)
Inrush Transient
Input Reflected Ripple Current, peak-to-peak
(5Hz to 20MHz, 12µH source impedance; V
IN
=0V to
75V, I
O
= I
Omax
; see Figure 31)
Input Ripple Rejection (120Hz)
All
All
It
7
2
Device
Symbol
V
IN
I
IN,max
Min
36
Typ
48
Max
75
6
1
Unit
Vdc
Adc
As
mAp-p
2
All
50
dB
Fusing Considerations
CAUTION: This power module is not internally fused. An input line fuse must always be used.
This power module can be used in a wide variety of applications, ranging from simple standalone operation to an
integrated part of a sophisticated power architecture. To preserve maximum flexibility, internal fusing is not included;
however, to achieve maximum safety and system protection, always use an input line fuse. The safety agencies
require a
time-delay
fuse with a maximum rating of 15A (see Safety Considerations section). Based on the
information provided in this data sheet on inrush energy and maximum dc input current, the same type of fuse with a
lower rating can be used. Refer to the fuse manufacturer’s data sheet for further information.
2
Tyco Electronics Power Systems.
Data Sheet
Sept 16, 2003
QPW050/060A Series Power Modules; dc-dc Converters
36 – 75 Vdc 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
a
=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
1.16
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
1.24
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
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 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
0
0
__
__
30
100
mV
rms
mV
pk-pk
µF
50
60
58
69
Latch-off
Adc
Adc
Adc
Adc
Output Current Limit Inception
3.3V
2.5V –
1.2V
Output Short-Circuit Current
(V
O
≤250mV)
Tyco Electronics Power Systems
3
QPW050/060A Series Power Modules; dc-dc Converters
36 – 75 Vdc Input; 1.2Vdc to 3.3Vdc Output
Data Sheet
Sept 16, 2003
Electrical Specifications
(continued)
Parameter
Efficiency
V
IN
=V
IN, nom
, T
A
=25°C
I
O
=I
O, max ,
V
O
= V
O,set
Switching Frequency
Dynamic Load Response
(∆Io/∆t=1A/10µs; V
in
=V
in
,nom; T
A
=25°C; Tested
with a 10 µF aluminum and a 1.0 µF tantalum
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
Device
3.3V
2.5V
1.8V
1.5V
1.2V
Symbol
η
η
η
η
η
f
sw
Min
__
__
__
__
Typ
93
91
89
87
85
300
Max
__
__
__
__
Unit
%
%
%
%
%
kHz
Isolation Specifications
Parameter
Isolation Capacitance
Isolation Resistance
Symbol
C
iso
R
iso
Min
10
Typ
2700
Max
Unit
pF
MΩ
General Specifications
Parameter
Calculated MTBF (I
O
=80% of I
O, max
, T
A
=40°C,
airflow=1m/s(200LFM))
Weight
Device
Min
Typ
1,204,000
Max
Unit
All
Hours
42 (1.48)
g (oz.)
4
Tyco Electronics Power Systems.
Data Sheet
Sept 16, 2003
QPW050/060A Series Power Modules; dc-dc Converters
36 – 75 Vdc Input; 1.2Vdc to 3.3Vdc Output
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions. See Feature Descriptions for additional information.
Parameter
Remote On/Off Signal Interface
(V
IN
=V
IN, min
to V
IN, max
; open collector or equivalent,
Signal referenced to V
IN-
terminal)
Negative Logic: device code suffix “1”
Logic Low = module On, Logic High = module Off
Positive Logic: No device code suffix required
Logic Low = module Off, Logic High = module On
Logic Low Specification
Remote On/Off Current – Logic Low
On/Off Voltage:
Logic Low
Logic High – (Typ = Open Collector)
Logic High maximum allowable leakage current
Turn-On Delay and Rise Times
(I
O
=I
O, max
)
T
delay
= Time until V
O
= 10% of V
O,set
from either
application of Vin with Remote On/Off set to On or
operation of Remote On/Off from Off to On with Vin
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