SZ-RD12-65W TEST REPORT
This test report of SZ-RD12-65W evaluation board describes a 65 W universal input offline power supply with programmable output voltage (5 V/3.25 A, 9 V/3.25 A, 15 V/3.25 A, 20 V/3.25 A). The power supply uses SZ1130 (Flyback PWM controller with integrated active clamp circuit) IC, GaN Systems GS-065-008-1-L (650 V E-mode GaN Transistor): and Weltrend WT6633P USB PD controller. This design shows the high-power density and efficiency that can be achieved due to the high level of integration of the SZ1130 controller.
This document contains the power supply specification, schematic, bill-of-materials, transformer documentation, printed circuit layout, and performance data.
●SZ1130 Features:
■Integrated High Voltage Active Clamp FET, Active Clamp Driver, and Start-up Regulator
■Capable of Over 94% Efficiency
■Flat Efficiency Across Universal (90-265 VAC) Input Voltage and Load
■Tight Switching Frequency Regulation for Improved Input EMI Filter Utilization
■Up to 140 kHz Switching Frequency Operation
■OptiMode™ Cycle-by-Cycle Adaptive Digital Control
■Multi-Mode Operation (Burst Mode, Quasi-Resonant, Valley Mode Switching)
■Advanced Valley Mode Switching for low EMI
■Self-Tuning Valley Detection
■OTP, UVLO, OVLO, PCL, OPP and OSC Protections
■<50mW No Load Power Consumption of the IC
■Up to 65 W Output Power
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RD12 、 SZ-RD12-65W 、 SZ1130 |
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Test Report |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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Feb. 24, 2021 |
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Ver. 1.0 |
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11075 |
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3.1 MB |
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