STR-ACF-12V100WPSU-GEVB

STR-ACF-12V100WPSU-GEVB Test Report © Semiconductor Component Industries, LLC, 2020 January, 2020 – Rev. 0 1 Publication Order Number: Contact your local Sales Representative STR-ACF-12V100WPSU-GEVB Contents INTRODUCTION .......................................................................................................................................................................... 3 Circuit Description ................................................................................................................................................................... 3 Specifications ........................................................................................................................................................................... 4 Key features .............................................................................................................................................................................. 4 Applications .............................................................................................................................................................................. 4 BOARD IMAGES.......................................................................................................................................................................... 5 TEST RESULT .............................................................................................................................................................................. 6 Output ripple ............................................................................................................................................................................. 6 Rise time (no-load by CR load mode) ...................................................................................................................................... 6 Rise time (Full load by CR load mode) .................................................................................................................................... 7 Hold time (Full load by CR load mode) ................................................................................................................................... 7 Dynamic load response (load 25% - 75%), CR mode .............................................................................................................. 7 Vsw Switching waveform @ input voltage=264Vac ............................................................................................................... 8 Behavior of transition DCM to ACF, ACF to DCM ................................................................................................................ 8 Regulation by input voltage variation ....................................................................................................................................... 9 Regulation by load current........................................................................................................................................................ 9 Efficiency Vin=100Vac .......................................................................................................................................................... 10 Efficiency Vin=230Vac .......................................................................................................................................................... 11 MAGNETICS DESIGN DATA SHEET (TRANSFORMER)..................................................................................................... 12 MAGNETICS DESIGN DATA SHEET (INDUCTOR) ............................................................................................................. 13 PCB INFORMATION ................................................................................................................................................................. 14 PCB INFORMATION (CONTINUED)....................................................................................................................................... 15 http://onsemi.com 2 STR-ACF-12V100WPSU-GEVB Introduction This Test Report describes an output power 100W, universal AC input (90 – 264Vac), constant output voltage power supply for industrial application and the power supply for which isolation from AC main is required. Circuit Description The feature of this power source is having combined the Boost follower PFC and Active Clamp Fly back utilizing ON Semiconductor’s NCP1622 CrM VSFF PFC controller, NCP1568 ACF controller, NCP51530 high performance high / low side MOS FET driver, NCP4306 secondary side synchronous rectification driver, FCMT229N60 PFC switching FET, FCPF165N65S3L1 ACF switching FET and FDMT800150DC SR switching FET. Active Clamp Fly back topology effectively recycles the leakage energy. Another feature of this topology is the ZVS operation of the power MOSFETs. The Strata software watches and detects the input of this power supply source and output side, and provides a display on a screen for the following value and graph by a telemetry system. Input voltage (Vrms), Input current (Arms), Input (Active) power (W), Apparent power (VA), Reactive power (Var), Power factor, Line frequency (Hz), Loss (Pin-Pout)(W), Output voltage (V), Output current (A), Output power (W) and Efficiency (%). The display screen is below (this screen displays at case of no input and no output). Figure 1 Screen image This Test Report provides the performance test result for Output ripple voltage, Output voltage behavior of Rise time and Hold time, Dynamic load response, Line regulation, Load regulation, Efficiency, MOS switching waveform, etc. are shown in the pictures, charts and graphs below. http://onsemi.com 3 STR-ACF-12V100WPSU-GEVB Specifications  Input voltage: 90Vac – 264Vac  Output voltage: 12V  Output current: 0 - 8.5A  Output Power: 102W  Output Ripple: 100mVp-p max  Input / Output isolation: 3kV  PFC: Yes  No load input consumption: 86%  Inrush limiting: 10 ohm NTC, 14A@100Vac, 32A@230Vac  Fuse 3.15A / 250Vac  Protection: OCP, OVP, SCP, TSD Key features  Low output ripple noise  High efficiency at full load  Universal input range, 90V – 264Vac line  Auto re-start over current protection  Latched output over voltage protection  Over power protection  Boost follower PFC control  Active Clamp Fly back with peak current mode  High frequency operation  Board size 166mm x 103mm x 33mm  Telemetry system by Strata solution  PFC controller NCP1622  Critical Conduction Mode (CrM)  Valley Synchronized Frequency Fold−back (VSFF): Low frequency operation is forced at low current levels (9 pre−programmed settings)  Fast line / load transient compensation (Dynamic Response Enhancer)  Active Clamp Fly back controller NCP1568  Active Clamp Fly back topology aids in ZVS  Proprietary Multi−Mode operation to enhance light load efficiency  Proprietary adaptive ZVS allows high frequency operation while reducing EMI  Inbuilt adaptive Dead−Time for both main and active clamp FETs  Peak current−mode control with Inbuilt slope compensation with options  Customer programmable optional transition to DCM - DCM and light load operation  Integrated frequency fold back with minimum frequency  Clamp for highest performance in standby mode  Minimum frequency clamp and Quiet Skip eliminates audible noise  SR controller NCP4306  Self−contained control of Synchronous Rectifier in CCM, DCM and QR for Fly back or LLC applications  Precise true secondary zero current detection  Typically 15ns turn off delay from current sense input to driver  Rugged current sense pin (up to 200 V)  7A / 2A Peak current sink / Source drive capability  Automatic light−load disable mode  Maximum operation frequency up to 1MHz Applications   Industrial use General-purpose power supply http://onsemi.com 4 STR-ACF-12V100WPSU-GEVB BOARD IMAGES 103 mm Figure 2 Top view Figure 3 Bottom view 166 mm http://onsemi.com 5 STR-ACF-12V100WPSU-GEVB TEST RESULT Output ripple Figure 4-1 Vin=100Vac, V=50mV/div, H=20ms/div Vout ripple=50mVp-p, Pout=0W Figure 4-2 Vin=230Vac, V=50mV/div, H=20ms/div Vout ripple=74mVp-p, Pout=0W Figure 4-3 Vin=100Vac, V=50mV/div, H=10ms/div Vout ripple=61mVp-p, Pout=102W Figure 4-4 Vin=230Vac, V=50mV, H=10ms/div Vout ripple=68mVp-p, Pout=102W Rise time (no-load by CR load mode) Figure 5-1 Vin=100Vac, V=5V/div, H=50ms/div Figure 5-2 Vin=230Vac, V-5V/div, H=50ms/div http://onsemi.com 6 STR-ACF-12V100WPSU-GEVB Rise time (Full load by CR load mode) Figure 5-3 Vin=100Vac, V=5V/div, H=50ms/div Figure 5-4 Vin=230Vac, V-5V/div, H=50ms/div Hold time (Full load by CR load mode) Figure 6-1 Vin=100Vac, V=5V/div, H-20ms/div Figure 6-2 Vin=230V, V=5V/div, H=20ms/div Dynamic load response (load 25% - 75%), CR mode Figure 7-1 Vin=100Vac, V=200mV/div, H=5ms/div Figure 7-2 Vin=230Vac, V=200mV/div, H=5ms/div http://onsemi.com 7 STR-ACF-12V100WPSU-GEVB Vsw Switching waveform @ input voltage=264Vac Figure 8-1 No-load, V=100V/div, H=20ms/div, Skip mode, f=22.9 kHz Figure 8-2 100% load, V=100V/div, H=5us/div ACF mode. F=101 kHz, Vsw=516V Figure 8-3 Max voltage of Vsw in DCM operation, V=100V/div, H=10us/div, Vsw=518V/div, f=47.8 kHz Behavior of transition DCM to ACF, ACF to DCM Figure 9-1 DCM to ACF in 100Vac, V=50V/div, H=35us/div Figure 9-2 ACF to DCM in 100Vac, V=50V/div, H=40us/div http://onsemi.com 8 STR-ACF-12V100WPSU-GEVB Regulation by input voltage variation Tested at the board end. Figure 10-1 No-load (12V, 0A) Figure 10-2 Full load (12V, 8.5A) Regulation by load current Tested at the board end. Figure 11-1 Input voltage=100Vac Figure 11-2 Input voltage=230Vac Figure 11-3 OCP working point http://onsemi.com 9 STR-ACF-12V100WPSU-GEVB Efficiency Vin=100Vac Tested at the board end. Figure 12-1 Output current = 5mA to 8.5A Figure 12-2 (Detailed) Output current = 5mA to 1A Figure 12-3 (Detailed) Output current = 5mA to 0.5A http://onsemi.com 10 STR-ACF-12V100WPSU-GEVB Efficiency Vin=230Vac Tested at the board end. Figure 13-1 Output current = 5mA to 8.5A Figure 13-2 (Detailed) Output current = 5mA to 1A Figure 13-3 (Detailed) Output current = 5mA to 0.5A http://onsemi.com 11 STR-ACF-12V100WPSU-GEVB MAGNETICS DESIGN DATA SHEET (Transformer) Project / Customer: ON Semiconductor – 100 watt, Single output NCP1568 ACF (optional NCP1622) Part Description: 100 watt ACF transformer, single output (12V), 100 kHz Schematics ID: T1, Bobbin Type: 10 pin for RM10 Core Type: RM10 ferrite core Inductance: 150uH total (+/- 10%) measured between 2pin and 3pin Manufacture: Wurth Elektronik Part No: 750344192 http://onsemi.com 12 STR-ACF-12V100WPSU-GEVB MAGNETICS DESIGN DATA SHEET (Inductor) Project / Customer: ON Semiconductor – 100 watt, PFC stage with NCP1622 Part Description: 100 watt PFC inductor, 200 kHz Schematics ID: L103, Bobbin Type: 12 pin for RM8 Core Type: RM8 ferrite core Inductance: 100uH total (+/- 10%) measured between 3pin and 10pin Manufacture: Wurth Elektronik Part No: 750344172 http://onsemi.com 13 STR-ACF-12V100WPSU-GEVB PCB information Figure 14-1 Top view of layer 1 Figure 14-2 Top view of layer 2 (inner signal) http://onsemi.com 14 STR-ACF-12V100WPSU-GEVB PCB information (continued) Figure 14-3 Top view of layer 3 (inner signal) Figure 14-4 Top view of layer 4 (Bottom layer) http://onsemi.com 15 STR-ACF-12V100WPSU-GEVB ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. 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