Technical
Specification
PQ60033HPA70
48V
Input
3.3V
Output
70A
Current
2000Vdc
Isolation
Half-brick
DC/DC Converter
The PQ60033HPA70 PowerQor
™
Peta half-brick converter
is a next-generation, board-mountable, isolated, fixed
switching frequency DC/DC converter that uses synchronous
rectification to achieve extremely high conversion efficiency.
The power dissipated by the converter is so low that a
heatsink is not required, which saves cost, weight, height,
and application effort. All of the power and control
components are mounted to the multi-layer PCB substrate
with high-yield surface mount technology for maximum
reliability. The Peta series converters offer industry leading
output current for a standard “half-brick” module.
Operational
Features
• Ultra-high efficiency, 93% half load, >90% full load
• Delivers up to 70 amps of output current with minimal
derating - no heatsink required
• Wide input voltage range: 35V – 75V, with 100V 100ms
input voltage transient capability
• Fixed frequency switching provides predictable
EMI performance
PQ60033HPA70 Module
Protection
Features
• Input under-voltage lockout disables converter at low
input voltage conditions
• Output current limit and short circuit protection>
• Active back bias limit prevents damage to converter from
external load induced pre-bias
• Output over-voltage protection
• Thermal shutdown
Mechanical
Features
• Industry standard pin-out configuration
• Industry standard size: 2.3” x 2.4” (58.4 x 61.0mm)
• Total height only 0.45” (11.3mm), permits better airflow
and smaller card pitch
• Total weight: 2.9 oz. (83 grams)
Safety
Features
• 2000V, 30 M
W
input-to-output isolation
• UL 60950 recognized (US & Canada),
basic insulation rating
• TUV certified to EN60950
• Meets 72/23/EEC and 93/68/EEC directives
• Meets UL94V-0 flammability requirements
Control
Features
• On/Off control referenced to input side (positive and
negative logic options are available)
• Remote sense for the output voltage compensates for
output distribution drops
• Output voltage trim permits custom voltages and
voltage margining
Contents
Mechanical Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
PQ60033HPA70 ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . 3-4
STANDARDS COMPLIANCE & QUALIFICATION TESTING . . . . . . . . . . . . 4
PQ60033HPA70 Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Applications Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Doc.# 005-2HP633K Rev. B
07/01/09
Page No.
Product # PQ60033HPA70
Phone 1-888-567-9596
www.synqor.com
Page 1
Technical Specification
Mechanical Diagram
2.40
(61.0)
1.400
(35.56)
0.700
(17.78)
0.400
(10.16)
11 10 9
8
7
6 5
1.600
(40.64)
1.000
(25.40)
Input:
Output:
Current:
Package:
35-75V
3.3V
70A
Half-brick
Top View
0.200
(5.08)
Side View
0.45
(11.3)
0.145
(3.68)
See Note 3
Flanged Pin
See Note 10
2.30
(58.4)
1.90
(48.26)
0.19
(4.8)
1
0.50 (12.7)
1.400 (35.56)
Lowest
2
4
Component
0.037+/-0.034
(0.94+/-0.86)
Bottom side
Clearance
See Note 9
0.400
(10.16)
PIN
Farside
Typical
NOTES
1) Pins 1, 2, 4, 7-9 are 0.040” (1.02mm) diameter. with
0.080” (2.03mm) diameter standoff shoulders.
2) Pins 5-6, 10-11 are 0.080” (2.03 mm) diameter with
0.125” (3.18mm) diameter standoff shoulders.
3) Other pin extension lengths available. Recommended pin
length is 0.03” (0.76mm) greater than the PCB thickness.
4) All Pins: Material - Copper Alloy
Finish - Gold over Nickel plate
5) Undimensioned components are shown for visual reference only.
6) All dimensions in inches (mm)
Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm)
x.xxx +/-0.010 in. (x.xx +/-0.25mm)
7) Weight: 2.9 oz. (83 g) typical
8) Workmanship: Meets or exceeds IPC-A-610C Class II
9)
UL/TUV standards require a clearance greater than 0.04” (1.02mm)
PIN DESIGNATIONS
Pin
1
2
3
4
5
6
7
8
9
10
11
Vin(-)
Vout(+)
Vout(-)
SENSE(-)
TRIM
SENSE(+)
Vout(+)
Vout(-)
Negative input voltage
Positive output voltage
Negative output voltage
Return remote sense
Output voltage trim
Positive remote sense
Positive output voltage
Negative output voltage
Name
Vin(+)
ON/OFF
Function
Positive input voltage
TTL input to turn converter on and off, referenced to
Vin(-), with internal pull up.
between input and output for Basic insulation. This issue should be
considered if any copper traces are on the top side of the user’s board.
Note that the ferrite cores are considered part of the input/primary
circuit.
10) The flanged pins are designed to permit surface mount
soldering (avoiding the wave soldering process) through
the use of the flanged pin-in-paste technique.
Product # PQ60033HPA70
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2HP633K Rev. B
07/01/09
Page 2
Technical Specification
PQ60033HPA70 ELECTRICAL CHARACTERISTICS
Parameter
ABSOLUTE MAXIMUM RATINGS
Input:
Output:
Current:
Package:
35-75V
3.3V
70A
Half-brick
T
A
=25°C, airflow rate=300 LFM, V
in
=48Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C ambient
temperature with appropriate power derating. Specifications
subject to change without notice.
Min.
Typ.
Max.
100
80
100
2000
100
125
18
48
33.3
31.0
2.3
70
2
700
5
210
1\3\6.4
47
3.30
+0.05 \ 2
+0.1 \ 3
+15
20
10
80.5
1.60
2
10
70
125
280
100
16
200
21
220
0
90.5
93.0
125
125
125
2000
30
3300
24
240
75
34.4
32.4
2.4
7.6
100
5
0.04
20
3.33
+0.1 \ 3
+0.2 \ 7
+30
3.40
40
20
70
84
3
50
30,000
Units
V
V
V
V
°C
°C
V
V
V
V
V
A
mA
mA
A
2
s
mV
mA
mA
A
µF\µH\µF
µF
V
%\mV
%\mV
mV
V
mV
mV
A
A
V
A
mA
µF
dB
mV
mV
µs
ms
ms
%
%
%
°C
°C
°C
V
M
W
pF
Notes & Conditions
continuous
continuous
100ms transient, square wave
Basic insulation level, Pollution degree 2
INPUT CHARACTERISTICS
Input Voltage
Non-Operating
Operating
Operating Transient Protection
Isolation Voltage (input to output)
Operating Temperature
Storage Temperature
Voltage at ON/OFF input pin
Operating Input Voltage Range
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Voltage Hysteresis
Maximum Input Current
No-Load Input Current
Disabled Input Current
Inrush Current Transient Rating
Response to Input Transient
Input Reflected Ripple Current
Input Terminal Ripple Current
Recommended Input Fuse
Input Filter Component Values (C
1
\L\C
2
)
Recommended External Input Capacitance
-40
-55
-2
35
31.5
29.5
2.2
3.27
3.20
0
73
1
0
100% Load, 35 Vin
OUTPUT CHARACTERISTICS
1000V/ms input transient
RMS thru 10µH
inductor; Figures 13 & 15
RMS;
Figures 13 & 14
fast blow external fuse recommended
internal values, see Figure E
Typical ESR 0.1-0.2
W
, see Figure 13
Output Voltage Set Point
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
1
Peak-to-Peak
RMS
Operating Output Current Range
Output DC Current-Limit Inception
Output DC Current-Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
over sample, line, load, temperature & life
20MHz bandwidth; Figures 13 & 16
Full Load, see Figures 13 & 16
Full Load, see Figures 13 & 16
Subject to thermal derating; Figures 5-8
Output Voltage 10% Low; Figure 17
Negative current drawn from output
Negative current drawn from output
3.3Vout at 70A Resistive Load
120 Hz; Fig. 20
50% to 75% to 50% Iout max; Figure 11
50% to 75% to 50% Iout max; Figure 12
to within 1% Vout nom
Full load, Vout=90% nom.; Figures 9 & 10
-40°C to +125°C; Figure F
10,000 µF load capacitance, Iout = 0A
Figures 1 - 4
Figures 1 - 4
Package rated to 150°C
UL rated max operating temp 130°C
See Figures 5 - 8 for derating curves
DYNAMIC CHARACTERISTICS
EFFICIENCY
Input Voltage Ripple Rejection
Output Voltage during Load Current Transient
For a Step Change in Output Current (0.1A/µs)
For a Step Change in Output Current (5A/µs)
Settling Time
Turn-On Transient
Turn-On Time
Start-Up Inhibit Time
Output Voltage Overshoot
100% Load
50% Load
TEMPERATURE LIMITS FOR POWER DERATING CURVES
ISOLATION CHARACTERISTICS
Semiconductor Junction Temperature
Board Temperature
Transformer Temperature
Isolation Voltage (dielectric strength)
Isolation Resistance
Isolation Capacitance
2
Note 1: For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com)
Note 2: Higher values of isolation capacitance can be added external to the module.
Product # PQ60033HPA70
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2HP633K Rev. B
07/01/09
Page 3
Technical Specification
ELECTRICAL CHARACTERISTICS (Continued)
Parameter
P
FEATURE CHARACTERISTICS
Input:
Output:
Current:
Package:
35-75V
3.3V
70A
Half-brick
Min.
170
-2
2.7
2.7
-2
Typ.
190
Max.
210
0.8
18
18
0.8
Units
kHz
V
V
V
V
V
kW
%
%
%
°C
°C
Notes & Conditions
Regulation and Isolation stages
RELIABILITY CHARACTERISTICS
Switching Frequency
ON/OFF Control (Option P)
Off-State Voltage
On-State Voltage
ON/OFF Control (Option N)
Off-State Voltage
On-State Voltage
ON/OFF Control (Either Option)
Pull-Up Voltage
Pull-Up Resistance
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
Over-Temperature Shutdown
Over-Temperature Shutdown Restart Hysteresis
Load Current Scale Factor
Calculated MTBF (Telcordia)
Calculated MTBF (MIL-217)
Field Demonstrated MTBF
-20
115
Vin/6
42
120
120
10
1800
2.16
1.43
15
+10
+10
125
Figures A, B
Measured across Pins 10 & 5; Figure C
Measured across Pins 10 & 5
Over full temp range; % of nominal Vout
Average PCB Temperature
See App Note: Output Load Current Calc.
10
6
Hrs.
TR-NWT-000332; 75% load,300LFM, 40oC Ta
10
6
Hrs.
MIL-HDBK-217F; 75% load, 300LFM, 40oC Ta
10
6
Hrs. See website for latest values
STANDARDS COMPLIANCE
Parameter
P
Notes
File # E194341, Basic insulation & pollution degree 2
Certified by TUV
test on entire assembly; board & plastic components UL94V-0 compliant
ESD test, 8kV - NP, 15kV air - NP
(Normal Performance)
Section 7 - electrical safety, Section 9 - bonding/grounding
STANDARDS COMPLIANCE
UL/cUL 60950
EN60950
72/23/EEC
93/68/EEC
Needle Flame Test (IEC 695-2-2)
IEC 61000-4-2
GR-1089-CORE
Telcordia (Bellcore) GR-513
• An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety
certificates on new releases or download from the SynQor website.
QUALIFICATION TESTING
Parameter
P
# Units
32
5
5
10
5
5
5
15 pins
Test Conditions
95% rated V
in
and load, units at derating point, 1000 hours
10-55Hz sweep, 0.060” total excursion,1 min./sweep, 120 sweeps for 3 axis
QUALIFICATION TESTING
Life Test
Vibration
Mechanical Shock
Temperature Cycling
Power/Thermal Cycling
Design Marginality
Humidity
Solderability
100g minimum, 2 drops in x and y axis, 1 drop in z axis
-40°C to 100°C, unit temp. ramp 15°C/min., 500 cycles
T
operating
= min to max, V
in
= min to max, full load, 100 cycles
T
min
-10°C to T
max
+10°C, 5°C steps, V
in
= min to max, 0-105% load
85°C, 85% RH, 1000 hours, 2 minutes on and 6 hours off
MIL-STD-883, method 2003
•
Extensive characterization testing of all SynQor products and manufacturing processes is performed to ensure that we supply
robust, reliable product. Contact factory for official product family qualification document.
Product # PQ60033HPA70
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2HP633K Rev. B
07/01/09
Page 4
Technical Specification
100
95
90
Input:
Output:
Current:
Package:
95
94
Efficiency (%)
35-75V
3.3V
70A
Half-brick
Efficiency (%)
93
92
91
90
89
25 C
40 C
55 C
85
80
75
70
65
0
10
20
30
40
50
60
70
35 Vin
48 Vin
75 Vin
0
100
200
300
400
500
Load Current (A)
Air Flow (LFM)
Figure 1:
Efficiency at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25
°
C.
Figure 2:
Efficiency at nominal output voltage and 60% rated power
vs. airflow rate for ambient air temperatures of 25
°
C, 40
°
C, and 55
°
C
(nominal input voltage).
14
25
13
Power Dissipation (W)
20
Power Dissipation
(W)
12
11
10
9
8
25 C
40 C
55 C
15
10
35 Vin
5
48 Vin
75 Vin
0
0
10
20
30
40
50
60
70
0
100
200
300
400
500
Load Current (A)
Air Flow
(LFM)
Figure 3:
Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25
°
C.
Figure 4:
Power dissipation at nominal output voltage and 60% rated
power vs. airflow rate for ambient air temperatures of 25
°
C, 40
°
C, and
55
°
C (nominal input voltage).
70
60
50
I
out
(A)
40
30
20
10
0
0
25
40
55
o
400 LFM (2.0
300 LFM (1.5
200 LFM (1.0
100 LFM (0.5
50 LFM (0.25
m/s)
m/s)
m/s)
m/s)
m/s)
70
85
Ambient Air Temperature ( C)
Figure 5:
Maximum output power derating curves vs. ambient air
temperature for airflow rates of 50 LFM through 400 LFM with air
flowing from input to output (nominal input voltage).
Product # PQ60033HPA70
Phone 1-888-567-9596
Figure 6:
Thermal plot of converter at 57 amp load current with 55
°
C
air flowing at the rate of 200 LFM. Air is flowing across the converter
from input to output (nominal input voltage).
Doc.# 005-2HP633K Rev. B
07/01/09
Page 5
www.synqor.com
Semiconductor junction temperature is
within 1°C of surface temperature
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