GE
ERCW003A6R Power Modules; DC-DC Converters
36 – 75Vdc Input; 28Vdc Output; 3.6Adc Output
Data Sheet
ORCA SERIES™
Features
•
•
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•
Compliant to RoHS EU Directive 2002/95/EC (-Z
versions)
Compliant to ROHS EU Directive 2002/95/EC with lead
solder exemption (non-Z versions)
High power density: 139W/ in
3
Very high efficiency: 93.4% Typ at Full Load (48Vin,
28Vout/3.6A)
Industry standard 1/8 brick pin-out
Low output ripple and noise
Supports repetitive loads (AC+DC) up to 2 kHz
Industry standard, DOSA compliant 1/8 brick footprint
58.4mm x 23.0mm x 8.8mm (2.3” x 0.9” x 0.35”)
Remote Sense
2:1 input voltage range
Single tightly regulated output
Constant switching frequency
Output overcurrent and overvoltage protection
Over temperature protection auto restart
Output voltage adjustment trim, 15.0V
dc
to 35.2V
dc
Wide operating case temperature range (-40°C to
100°C)
CE mark meets 2006/95/EC directives
§
ANSI/UL
*
60950-1, 2nd Ed. Recognized, CSA
†
C22.2 No.
60950-1-07 Certified, and VDE
‡
0805-1 (EN60950-1,
2nd Ed.) Licensed
ISO
**
9001 and ISO 14001 certified manufacturing
facilities
Compliant to IPC-9592A, Category 2, Class II
RoHS Compliant
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Applications
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RF Power Amplifier
Wireless Networks
Switching Networks
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Options
Output OCP/OVP auto restart
Shorter pins
Unthreaded heatsink holes
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Description
The ERCW003A6R ORCA™ series of dc-dc converters are a new generation of isolated, very high efficiency DC/DC power modules
providing up to up to 3.6Adc output current at a nominal output voltage of 28Vdc in an industry standard, DOSA compliant 1/8
brick size footprint, which makes it an ideal choice for high voltage and high power applications. The ERCW003A6R modules have
typical efficiency of 93% at full-load and nominal output voltage of 28V. The maximum output ripple of the module is 20mV
rms,
which helps to reduce external filtering capacitors and system cost. Threaded-through holes are provided to allow easy mounting
or addition of a heat sink for high-temperature applications. The output is fully isolated from the input, allowing versatile polarity
configurations and grounding connections.
June 22, 2016
©2012 General Electric Company. All rights reserved.
Page 1
GE
ERCW003A6R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 3.6Adc Output
Absolute Maximum Ratings
Data Sheet
Stresses in excess of the absolute maximum ratings will cause permanent damage to the device. These are absolute stress ratings
only, functional operation of the device is not desired at these or any other conditions in excess of those given in the operations
sections of the technical requirements. Exposure to absolute maximum ratings for extended periods can adversely affect the device
reliability.
Parameter
Input Voltage
Continuous
Transient, operational (≤ 9 ms)
Operating Ambient Temperature
Operating Case Temperature
(See Thermal Considerations section, Figure 17)
Storage Temperature
I/O Isolation Voltage: Input to Case, Input to Output
Output to Case
All
All
All
All
All
All
All
V
IN
V
IN,trans
Ta
Tc
T
stg
-0.3
-0.3
-40
-40
-55
80
100
85
100
125
2250
500
V
dc
V
dc
°C
°C
°C
V
dc
V
dc
Device
Symbol
Min
Max
Unit
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.
Parameter
Device
Symbol
Min
Typ
Max
Unit
Operating Input Voltage
(see Figure 12 for V
IN MIN
when using trim-up feature)
Maximum Input Current
(V
IN
=36V 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 12)
Input No Load Current
Vin = 48V, (Io = 0, module enabled)
Input Stand-by Current
(Vin = 48V, module disabled)
Input Ripple Rejection (120Hz)
All
V
IN
36
48
75
V
dc
All
All
All
All
All
All
I
IN,max
I
2
t
3.5
2
35
70
10
50
A
dc
A
2
s
mA
p-p
mAdc
mAdc
dB
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 being an integrated
part of complex power architecture. To preserve maximum flexibility, internal fusing is not included. Always use an input line fuse, to
achieve maximum safety and system protection. The safety agencies require a time-delay or fast-acting fuse with a maximum
rating of 10A in the ungrounded input connection (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.
June 22, 2016
©2012 General Electric Company. All rights reserved.
Page 2
GE
ERCW003A6R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 3.6Adc Output
Electrical Specifications
(continued)
Parameter
Output Voltage Set-point
(V
IN
=V
IN,nom
, I
O
=I
O, max
, T
c
=25°C)
Output Voltage Set-Point Total Tolerance
(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 +100ºC)
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 ( 2.5mΩ<
ESR
< 80mΩ)
1
Output Power (V
o
=28V to 35.2V)
Output Current
Output Current Limit Inception (Constant current until V
o
<V
trimMIN,
duration <4s)
Output Short Circuit Current (V
O
≤ 0.25V
dc
)
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
(∆Io/∆t=1A/10µs;
V
IN
=V
IN
,
nom
; T
c
=25°C;
Tested with a 220μF
aluminum and a 10 µF ceramic capacitor
across the load.)
Load Change from I
O
= 25%-50%-25% of I
O,max
:
Peak Deviation
Settling Time (V
O
<10% peak deviation)
Load Change from I
O
= 50%-75%-50% of I
O,max
:
Peak Deviation
Settling Time (V
O
<10% peak deviation)
(∆Io/∆t=10%I
O,max
/10µs;
V
IN
=V
IN
,
nom
; T
c
=25°C; Tested with a
470μF
aluminum and a 10 µF ceramic capacitor across the load, see
Figure 16.
Load Change from I
O
= 0%-120% of I
O,max
:
Peak Deviation
Settling Time (V
O
<10% peak deviation)
Load Change from Io= 120% to 50% of Io,max:
Peak Deviation
Settling Time (Vo<10% peak deviation)
1
Note:
Data Sheet
Device
All
Symbol
V
O, set
V
O
Min
27.5
27.0
Typ
28
Max
28.5
29.0
Unit
V
dc
V
dc
All
All
All
All
0.1
0.1
0.4
0.2
0.2
0.75
%V
o,set
%V
o,set
%V
o,set
All
All
C
O,
All
All
All
All
All
P
O,max
I
o
I
O, lim
I
O, sc
η
f
sw
220
0
4.0
10
30
20
60
1500
100
3.6
30
mV
rms
mV
pk-pk
μF
W
A
dc
A
dc
A
rms
%
kHz
93.4
280
All
All
V
pk
t
s
V
pk
t
s
2
1.5
2
1.5
%V
O, set
ms
%V
O, set
ms
All
V
pk
t
s
V
pk
t
s
2
1.5
2
1.5
%V
O, set
ms
%V
O, set
ms
All
use a minimum 220uF output capacitor. Recommended capacitor is Nichicon CD series, 220uF/35V. If the ambient
temperature is less than -20
O
C, use more than 3 of recommended minimum capacitors.
June 22, 2016
©2012 General Electric Company. All rights reserved.
Page 3
GE
ERCW003A6R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 3.6Adc Output
Parameter
Isolation Capacitance
Isolation Resistance
Data Sheet
Isolation Specifications
Symbol
C
iso
R
iso
Min
10
Typ
15
Max
Unit
nF
MΩ
General Specifications
Parameter
Device
Symbol
Min
Typ
Max
Unit
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)
FIT
All
MTBF
All
101.6
9,842,207
22.8
0.81
29.8
1.05
10
9
/Hours
Hours
g
oz.
g
oz.
Weight (heat plate)
June 22, 2016
©2012 General Electric Company. All rights reserved.
Page 4
GE
ERCW003A6R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 3.6Adc Output
Feature Specifications
Data Sheet
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See
Feature Descriptions for additional information.
Parameter
Device
Symbol
Min
Typ
Max
Unit
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 - Remote On/Off Current
Logic Low - On/Off Voltage
Logic High Voltage – (Typ = Open Collector)
Logic High maximum allowable leakage current
Turn-On Delay and Rise Times
(Vin=V
in,nom
, I
O
=I
O, max
, 25C)
Case 1: T
delay
= Time until V
O
= 10% of V
O,set
from application of
V
in
with Remote On/Off set to ON,
Case 2: T
delay
= Time until V
O
= 10% of V
O,set
from application of
Remote On/Off from Off to On with V
in
already applied for at
least one second.
T
rise
= time for V
O
to rise from 10% of V
O,set
to 90% of V
O,set
.
Output Voltage Overshoot
(I
O
=80% of I
O, max
, T
A
=25°C)
Output Voltage Adjustment
(See Feature Descriptions):
Output Voltage Remote-sense Range
Output Voltage Set-point Adjustment Range (trim)
Note: see Figure 12
Output Overvoltage Protection
Over Temperature Protection
(See Feature Descriptions, Figure 17, open frame version)
(See Feature Descriptions, Figure 18, base plate version)
Input Under Voltage Lockout
Turn-on Threshold
Turn-off Threshold
Hysteresis
Input Over voltage Lockout
Turn-on Threshold
Turn-off Threshold
Hysteresis
All
All
All
All
I
on/off
V
on/off
V
on/off
I
on/off
0
2.5
1.0
1.2
10
50
mA
V
dc
V
dc
μA
All
All
All
T
delay
T
delay
T
rise
30
30
50
3
ms
ms
ms
% V
O, set
All
All
All
All
V
sense
V
trim
V
O, limit
T
ref
__
15.0
37
31
__
---
135
120
35
32
3
79.5
83
3
2
35.2
42
36
%V
o,nom
V
dc
V
dc
°C
°C
V
dc
V
dc
V
dc
V
dc
V
dc
V
dc
All
All
All
All
All
All
V
IN, UVLO
V
IN, OVLO
81
---
81
---
June 22, 2016
©2012 General Electric Company. All rights reserved.
Page 5
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