HQA85 Series
Features
Standard Quarter Brick Footprint
9-40 Input
Up to 90% Effi ciency
Up to 115°C baseplate temperatures
2250VDC Isolation
Encapsulated for Rugged Environments
No optocouplers used
Designed to meet MIL-STD-461; MIL-STD-1275; MIL-STD-704; Sec 16-18 of RTCA/DO-160 with FQx Filters2
85W MIL-COTS Quarter Brick Converters
Note:
1) See Installation Manual for full details, test methods of parameters and application notes.
2) TDK Filter part numbers: FQA020ADC (EMI); FQB020ADC (EMI + Input Transient). Please refer to the Application Notes for details
of the applicable Standards & Tests conducted.
Model HQA
Nominal Output Voltage VDC 5V 12V 15V 24V 28V
Input Voltage Range VDC 9 - 40V
Input Current A 13A Maximum
Effi ciency (100% load, 24V input) % 91 90 92 87 88.5
Output Voltage Adjustment VDC 4.5 - 5.5 10.8 - 13.2 13.5 - 16.5 21.6 - 26.4 25.2 - 30.8
Output Voltage Accuracy % ±3%
Ripple & Noise (max) pk-pk mV 150 200 200 250 200
Line Regulation (typ) % 0.05 0.05 0.05 0.05 0.05
Load Regulation (typ) % 0.03 0.03 0.03 0.03 0.03
Overcurrent Protection (typ) A 27 11 8 5.2 4.2
Overvoltage Protection (typ) V 6.5 15 18 32 35
Remote On/Off - Yes; Low = ON, Open = OFF
Remote Sense - Yes Not as standard
Operating Temperature °C Standard screening: -40°C to +115°C
Storage Temperature °C -65°C to +125°C
Temperature regulation % 0.5% across full temperature range
Cooling - Conduction, convection or forced air
Isolation Voltage VDC Input to Output, Input to Baseplate, Output to Baseplate, 2250 VDC
Isolation Resistance MΩ >10MΩ
Safety Agency Certifi cations - UL60950-1, CSA60950-1, EN60950-1, CE Mark
Qualifi cation Methods - Consistent with MIL-STD-883F and MIL-STD-202G
Weight (Typ) g 100 (Flanged version)
Size (LxWxH) in (mm) Flanged version: 2.39 x 2.2 x 0.5” (60.6 x 55.9 x 12.7);
Non-fl anged version: 2.39 x 1.54 x 0.5” (60.6 x 39 x 12.7)
Warranty yrs 3 Years
Specifi cations
Key Market Segments & Applications
Revision p13: Oct 2019
HQA85 Series
Suffi x Description
-007-S Flanged Baseplate, Standard Screening
-N07-S Non-Flanged Baseplate, Standard Screening
Options
Model Selector
*Contact factory for other Voltages or option codes
Input Voltage Output Voltage Max Current Maximum Power
Model (V) (V) (A) (W)
HQA2W085W050V-007-S 9 - 40 5 17 85
HQA2W085W120V-007-S 9 - 40 12 7.1 85
HQA2W085W150V-007-S 9 - 40 15 5.7 85
HQA2W085W240V-007-S 9 - 40 24 3.5 85
HQA2W085W280V-007-S 9 - 40 28 3 85
Pin Function
1 Vin(+)
2 On/Off
3 Vin(-)
4 Vo(-)
5 Sense (-), available on Vo ≤ 15V models
6 Trim
7 Sense (+), available on Vo ≤ 15V models
8 Vo(+)
Pinout
Screening
Operation S-Grade (Standard Screening)
Functional Test Room and Hot Test
Burn in Yes
Temperature Cycling No
Hi-Pot 2250VDC
Visual Inspection Yes
Part # Contents
FQX-HQA-EVK-D0 Evaluation board (no modules); fi ts either an
FQA or FQB fi lter and two (2) HQA or GQA
modules.
Evaluation Board
Outline Drawing Flange Version Outline Drawing Non-Flange Version
For Additional Information, please visit
https://product.tdk.com/info/en/products/power/index.html
