Page 2 - Equipment Required
3.0 Equipment Required ․ DC Power Supply 0 - 20 V @ 0 - 20A (Agilent 6574A 0 -60V/0 - 35A or equivalent). ․ Oscilloscope (Tektronix TDS 460A or equivalent) 4 Channel 400 MHz, equipped with a x1 scope probe, a x10 scope probe, and two BNC cables (length less than 20 inches/500mm) ․ Digital multimeter...
Page 3 - .0 Thermal Management of the Converter; o the converter at all times during all
4.1 Connect one lead from the “+” lead of the power supply to the “20A” terminal of the first 4.2 Connect one wire from the “-” lead of the power supply (Item 3.1) to the “Vin-“ pin of the 4.3 Connect the plus “+” and minus “-“ connection leads from a second multimeter to the “SVin+” 4.4 Connect the...
Page 4 - Efficiency; Input Characteristics
6.0 Tests Performed performed at room temperature (+25 C). 6.1 Input Voltage Range. ut. . 6.2 O Line Regulation. . t-Point Adjustment Range. 6.3 D Maximum Output Voltage Deviation (due to step change in load). 6.4 Efficiency e part number of the power module to determine that the correct module is b...
Page 6 - Tests and Evaluation
7.2 Initial Power Up supply ON, set the current limit on power supply (refer to specification of either converter) and increase the input voltage (use DMM2 to monitor the voltage) until it 2) 3) ing, which can be verified by observing the DMM3 (appropriate ope (appropriate value 4) 8.0 Tests and Eva...
Page 8 - ries; out
.2.4 Output Voltage Set-Point Adjustment Range (Trim) utput Voltage Set-Point Adjustment can be carried out by using an external resistor or e set-point (please refer to ments to Item 7.1-6, ries between the TRIM pin and ground. For IPM12C0A0R04A, Please refer to the IPMR table for the desired trim-...
Page 9 - For I M04C series; Test
For I M04C series o implement Trim-up by using an external resistor, R trim-up must be connected between the d. For IPM04C0A0R06A, Please refer to the IPMR table for the desired 9 P TTRIM pin and grounVout. The value of R trim-up can be calculated by the following equation and the datasheet can also...
Page 10 - For IPM12C series; For IPM04C series; For example, to program the output voltage of a IPM
(2) Output Voltage Set-Point Adjustment by using an external voltage source For IPM12C series Output voltage of IPM12C is programmable while applying a voltage between the TRIM and GND pins. The following equation can be used to determine the value of Vtrim needed for a desired output voltage Vo: Vt...
Page 11 - Dynamic Characteristics; Imax; ) Measure the Peak deviation and capture the waveform as required.
11 8.3 Dynamic Characteristics 8.3.1 Output Voltage Deviation Output Voltage Deviation is defined as the response of the converter to a sudden step changein the output load current. The output voltage deviation is characterized by two parameters:Maximum Output Voltage Deviation and Response Time (pl...
Page 12 - Test (Turn on the module by using the external switch); or suitable trigger point (referring to data sheet) on channel 2.
Test (Turn on the module by using the external switch) 1) Turn on the fan. 2) Turn on the input power supply and set it to the desired operating point. 3) Set channel 1 on the oscilloscope to be DC coupled and to the appropriate range for the input voltage. 4) Connect a coaxial cable from channel 1 ...