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IND027XW Hornet: Non-Isolated DC-DC Voltage Regulator Modules
24Vdc input; 3Vdc to 18Vdc output; 27W Max Power
Applications
Industrial Equipment
Control Boards
Test Equipment
Vin+
Cin
VIN VOUT
SENSE
MODULE
ON/OFF TRIM
GND
Vout+
Co
RTrim
Electrical Features
Mechanical Features
24V Input voltage with ±20% Tolerance
Output voltage programmable from 3Vdc to
18Vdc via external resistor
Remote On/Off for optional external control
Fixed switching frequency
Output overcurrent protection (non-latching)
Process and Safety
Small size: 20.3 mm x 11.4 mm x 8.5 mm (0.8 in x
0.45 in x 0.335 in)
Operating range: -40°C to 105°C ambient
Operating shock to 40G per Mil Std. 810F,
Method 516.4 Procedure I
Operating vibration per Mil Std. 810F, Method
514.5 Procedure I
Qualified for 1000h High Temperature Operating Bias, 1000h 85RH/85°C Temperature, Humidity and Bias, 700 cycle -40
to 125°C thermal cycling
ANSI/UL# 60950-1 2nd Revised October 14, 2014, CSAC22.2 No. 60950-1-07, Second Ed. + A2:2014 (MOD) Recognized,
DIN EN 60950-1:2006 + A11:2009 + A1:2010 +A12:2011, + A2:2013 (VDE0805-1) Licensed
ISO** 9001 and ISO 14001 certified manufacturing facilities
Compliant to RoHS II EU “Directive 2011/65/EU”
Compatible in a Pb-free or SnPb reflow environment.
Suitable for aqueous clean.
Suitable for conformal coating with dip and vapor deposition. Conformal coating can provide the protection to meet
Salt Fog Test per IEC 60068-2-52 (Severity 3) and Mixed Gas Flow test per Telcordia GR-3108 Outdoor Levels.
3 year warranty
Device Code
IND027XW
Input Voltage
19.2 28.8Vdc
Output
Voltage
3.0 18.0Vdc
Output
Current (Max.)
3A(@3Vout)
On/Off Logic
Negative
Comcode
1600102905A
Thermal Performance
Current output with natural convection up to 101°C at 3.3Vout and up to 92°C at 18Vout. Thermal curves for 3 voltages below.
3.2 3.1
1.9
3.1
3.3Vout
3.0
Current (A) vs. Temp( C)
2.9
2.9 12Vout
2.7 Current (A) vs. Temp( C)
2.5
1.8
18Vout
Current (A) vs. Temp( C)
1.7
2.8
28Vin
2.7
NC
0.5m/s (100LFM)
2.6
65 75 85
1.6 28Vin
2.3 NC
0.5m/s (100LFM)
28Vin
2.1 NC
0.5m/s (100LFM)
1.5 1m/s (200LFM)
1.5m/s (300LFM)
1m/s (200LFM)
1.9
2m/s(400LFM)
1.4
95 105 65 75 85 95 105 65 75 85
95
105
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Electrical Specifications
Parameter
Operating Input Voltage
Input No Load Current
(VIN = 28.0Vdc, IO = 0, module enabled)
External Capacitance, Ceramic ESR 1 mΩ
Efficiency 28VINDC, TA=25°C, Io as per Figure 2
Switching Frequency
Output Voltage (Over all line, load, and temperature
conditions)
On/Off Logic High (MODULE OFF) Input High Voltage
Device
All
VO,set = 3 Vdc
VO,set = 18Vdc
All
All
All
All
Symbol
VIN
IIN,No load
IIN,No load
CO, max
η
fsw
VO, set
VIH
Min
19.2
-2.5
Typ Max
24 28.8
22
54
47*
96(12V), 97(18V)
300
+2.5
1.5 36
Unit
Vdc
mA
mA
μF
%
kHz
% VO, set
Vdc
On/ Off Logic Low (MODULE ON) Input Low Voltage
All
VIL -0.2 1 Vdc
*Additional External Capacitance possible using Tunable Loop
Characteristic Curves
The following figures provide typical characteristics for the IND027XW Hornet at 25oC.
170
1x10uF
150 2x10uF
4x10uF
130
3.5
3
110 2.5
90
70 2
50
1.5
30
10
2 4 6 8 10 12 14 16 18
1
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Output Voltage(Volts)
Output Voltage (V)
Figure 1. Output Ripple Voltage for various output
Figure 2. Graph showing maximum output current capability
voltages and external caps @28Vin. Additional
at different output voltages.
Decoupling cap of 0.01uF used on input and output side
Use electrical profile in Figure 2 for determining baseline output current for a specific voltage. Then thermal curves.
Trim
Rtrim for a desired output voltage, should be as per the following table. The formula in the last column helps determine
Rtrim for other voltages.
Vo (V)
Rtrim (kΩ)
3.3 5.0 6
26.92 16.27 13.2
9 12
8.43 6.19
15 18
4.89 4.04
Rtrim
 Vo
700.7k
On/Off
On/Off pin must be connected to Ground. If the On/Off pin is left floating the module with be left in the OFF state.
Safety Considerations
For safety agency approval, the power module must be installed in compliance with the spacing and separation requirements of
the end-use safety agency standards listed on the first page of this documentFor the converter output to be considered meeting
the requirements of safety extra-low voltage (SELV), the input must meet SELV requirements. The power module has extra-low
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voltage (ELV) outputs when all inputs are ELV. The input to these units is to be provided with a fast-acting fuse with a maximum
rating of 8A in the positive input lead.
Tunable Loop
The module is designed for 47uF capacitor on its output. For applications where more than 47uF capacitors would be used
on the output, an additional Resistor (Rtune) and Capacitor (Ctune) would be required in the circuit schematic to compensate
for the additional capacitance. The placement is between the Sense+ pin and Trim pin as per figure below:
Figure. 3. Circuit diagram showing connection of RTUNE and CTUNE to tune the control loop of the module
The recommended values for Rtune and Ctune for different amounts of external capacitance are as per the table below:
Vo=5V
Co
RTUNE
CTUNE
2x22F
220Ω
1500pF
4x22F
180
2700pF
6x22F
180
3.3nF
Vo=12V
Co
RTUNE
CTUNE
2x22F
270Ω
330pF
4x22F
270Ω
680pF
6x22F
220Ω
1200pF
Recommended Pad Layout
Dimensions are in millimeters and (inches).
Tolerances: x.x mm 0.5 mm (x.xx in. 0.02 in.) [unless otherwise indicated] x.xx mm 0.25 mm (x.xxx in 0.010 in.)
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Nozzle Recommendations
The minimum recommended inside nozzle diameter for reliable
operation is 3mm. The maximum nozzle outer diameter, which will
safely fit within the allowable component spacing, is 7 mm.
Bottom Side / First Side Assembly
This module is not recommended for assembly on the bottom side
of a customer board. If such an assembly is attempted,
components may fall off the module during the second reflow
process
Lead Free Soldering
The modules are lead-free (Pb-free) and RoHS compliant and fully
compatible in a Pb-free soldering process. Failure to observe the
instructions below may result in the failure of or cause damage to
the modules and can adversely affect long-term reliability
MSL Rating
The modules have a MSL rating of 2a.
Pb-free Reflow Profile
Power Systems will comply with J-STD-020 Rev. D
(Moisture/Reflow Sensitivity Classification for Nonhermetic Solid
State Surface Mount Devices) for both Pb-free solder profiles and
MSL classification procedures. The suggested Pb-free solder paste
is Sn/Ag/Cu (SAC).
The following profile is the recommended linear reflow profile
using Sn/Ag/Cu solder. Soldering outside of the recommended
profile requires testing to verify results and performance.
300
Per J-STD-020 Rev. D
Peak Temp 260°C
250
200
150
Heating Zone
1°C/Second
100
* Min. Time Above 235°C
15 Seconds
*Time Above 217°C
60 Seconds
Cooling
Zone
50
0
Reflow Time (Seconds)
Storage and Handling
J-STD-033 Rev. A (Handling, Packing, Shipping and Use of
Moisture/Reflow Sensitive Surface Mount Devices) is
recommended. Moisture barrier bags (MBB) with desiccant are
required for MSL ratings of 2 or greater. These sealed
packages should not be broken until time of use. Once the
original package is broken, the floor life of the product at
conditions of 30°C and 60% relative humidity varies
according to the MSL rating (see J-STD-033A). The shelf life for
dry packed SMT packages will be a minimum of 12 months
from the bag seal date, when stored at the following
conditions: < 40° C, < 90% relative humidity.
Post Solder Cleaning and Drying Considerations
Post solder cleaning is usually the final circuit-board assembly
process prior to electrical board testing. The result of
inadequate cleaning and drying can affect both the reliability
of a power module and the testability of the finished
circuit-board assembly
Contact Us
For more information, call us at
USA/Canada:
+1 888 546 3243, or +1 972 244 9288
Asia-Pacific:
+86.021.54279977*808
Europe, Middle-East and Africa:
+49.89.878067-280
www.gecriticalpower.com
GE Critical Power reserves the right to make changes to the product(s) or information contained herein without notice,
and no liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any
such product(s) or information.
September 1, 2017
©2017 General Electric Company. All International rights reserved.
Version 1.5