Page 2 - iHG48 Series DC-DC Power Modules; RoHS compliant
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 2/16 Platform Overview: Xeta iHG48 Series DC-DC Power Modules 48V Input, 3.3V / 70A Output Half-Brick The Xeta iHG48 Series power modules opera...
Page 4 - Trim
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 4/16 Mechanical Specification: Dimensions are in mm [in]. Unless otherwise specified tolerances are: x.x ± 0.5 [0.02], x.xx and x.xxx ± 0.25 [0.010]. Pin...
Page 5 - Caution
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 5/16 Absolute Maximum Ratings: Stress in excess of Absolute Maximum Ratings may cause permanent damage to the device. * Engineering estimate Input Charac...
Page 7 - Power Dissipation vs. Input Voltage at Ta=25C
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 7/16 Electrical Characteristics: 74 78 82 86 90 94 7 14 21 28 35 42 49 56 63 70 Output Current (A) E ff ic ie n c y ( % ) V in = 36V V in = 48V V in = 75...
Page 8 - Typical Input Current vs. Input Voltage Characteristics; Calculated Resistor Values for Output Voltage Adjustment
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 8/16 Electrical Characteristics (continued): 0 0.6 1.2 1.8 2.4 3 3.6 0 10 20 30 40 50 60 70 80 90 Output Current (A) O u tp u t V o lta g e ( V ) V in = ...
Page 9 - Output
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 9/16 Electrical Characteristics (continued): 0 1 10 100 1000 0 10 20 30 40 % Decrease in Output Voltage, ∆ (%) T ri m R e s is ta n c e ( k Ω ) 10 100 10...
Page 10 - Thermal
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 10/16 Thermal Performance: Maximum output current vs. ambient temperature at nominal input voltage for airflow rates natural convection (0.3m/s) to 3.0m/...
Page 11 - Wind Tunnel Test Setup Figure
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 11/16 Thermal Management: An important part of the overall system design process is thermal management; thermal design must be considered at all levels t...
Page 12 - ) and airflow rate as shown in the
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 12/16 the derating curve. For improved design margins and enhanced system reliability, the power module may be operated at temperatures below the maximum...
Page 13 - Circuit to decrease output voltage
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 13/16 Operating Information: Over-Current-Protection (OCP): The power modules have current limit protection to protect the module during output overload ...
Page 14 - where; Circuit to increase output voltage
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 14/16 With a resistor between the trim and Sense (-) terminals, the output voltage is adjusted down. To adjust the output voltage down a percentage of Vo...
Page 15 - Safety Considerations:
Data Sheet: Xeta iHG48070A033V, 3.3V/70A Output Half Brick Series ©2008 TDK Innoveta Inc. iHG Datasheet 2008-05-15 Revision 1.1 ℡ (877) 498-0099 15/16 Input/Output Ripple and Noise Measurements: 100KHz Voutput Cext 1 2 + 12uH 1 2 esr<0.7 Battery 100KHz + RLoad 1 2 esr<0.1 - Vinput 220uF 1 2 ...