Page 44 - TDK Lambda - Products Selection Guide

HQAseries Heavy Duty 9V〜40V Wide Input Isolated DC-DC Converters
Unit / PCB Type
Specification
Model HQA85 HQA120
Input Voltage Range 9 to 40VDC 18 to
HQA 40VDC
Features Rated Output Voltage 5V 12V 15V 24V 28V 5V 12V 15V 24V 28V 48V
Max. Output Current 17A 7.1A 5.7A 3.5A 3A 24A 10A 8A 5A 4.2A 2.5A
Standard quarter brick footprint
Max. Output Power 85W 120W
High efficiency up to 91.5%
Efficiency 91% 90% 92% 87% 88.5% 90% 89% 87% 89% 91.5%
Baseplate temperature up to 115°C
CVCC
Size (W×H×D mm) 60.6×55.9×12.7 (Flanged baseplate),
2.25kVDC input-output isolation 60.6 x 39 x 12.7 (Non-flanged baseplate)
Designed to meet MIL-STD-461; MIL-STD-1275 Weight (g) 100 (Flanged version)
HQA120 optional: M-Grade (Enhanced
Screening), Clock synchronization

GQAseries 120W Industrial Isolated DC-DC Converters

Specification
Model GQA
18 to
Input Voltage Range 9 to 36VDC 36VDC
GQA
Power Module
Features Rated Output Voltage 5V 12V 15V 24V 28V 48V
Max. Output Current 24A 10A 8A 5A 4.28A 2.5A
Standard quarter brick footprint Max. Output Power 120W
1.5kVDC input-output isolation Efficiency 90% 89% 87% 89% 91.5%
High efficiency up to 91.5% Size (W×H×D mm) 60.6×49.5×12.7 (Flanged baseplate),
Baseplate temperature up to 105°C 60.6×39.5×12.7 (Non-flanged baseplate)
Weight (g) 85 (Flanged baseplate, open frame)
Optional: Non-flanged base plate, Clock
synchronization, Case and potting,
2.25kVDC or 3kVDC input-output isolation

Onboard Type
iEA/iEHseries 48W〜300W Isolated DC-DC Eighth Brick Converters

Specification
Model IEA480
iEA Series Input Voltage Range 48V (36 to 75VDC)
Rated Output Voltage 5V 12V 15V 18V 28V
Max. Output Current 15A 6.5A 4.5A 3.75A 2.67A
iEH Series Max. Output Power 75W 78W 67.5W 75W
Efficiency 90% 91% 90% 90.5% 90%
Size (W×H×D mm) 58.4×22.9×8.8
iEA iEH Weight (g) 30.4
EMC Filter
Features
Model iEA4W iEH480
Standard eighth brick footprint Input Voltage Range 48V (36 to 75VDC)
Through hole mounting Rated Output Voltage 12V 12V
High efficiency up to 94.6% Max. Output Current 4A 25A
Max. Output Power 48W 300W
1500VDC basic isolation Efficiency 91% 94.6%
Constant switching frequency Size (W×H×D mm) 58.4×22.9×8.8 50.42×22.86×12.70 (Baseplate)
With digital adaptive control (iEH series) Weight (g) 30.4 50

44

11/3/24 5:21 PM
44 HQA_GQA_iEA/iEH series 110324.indd 44 11/3/24 5:21 PM
44 HQA_GQA_iEA/iEH series 110324.indd 44