Datasheet ADuM5020, ADuM5028 (Analog Devices) - 3

制造商Analog Devices
描述Low Emission, Isolated DC-to-DC Converters
页数 / 页20 / 3 — Data Sheet. ADuM5020/. ADuM5028
修订版A
文件格式/大小PDF / 555 Kb
文件语言英语

Data Sheet. ADuM5020/. ADuM5028

Data Sheet ADuM5020/ ADuM5028

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Data Sheet ADuM5020/ ADuM5028 SPECIFICATIONS ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/5 V SECONDARY ISOLATED SUPPLY
All typical specifications are at TA = 25°C, VDDP = VISO = 5 V. Minimum and maximum specifications apply over the entire recommended operation range, which is 4.5 V ≤ VDDP ≤ 5.5 V, 4.5 V ≤ VISO ≤ 5.5 V, and −40°C ≤ TA ≤ +125°C, unless otherwise noted.
Table 1. ADuM5020-5BRIZ DC-to-DC Converter Static Specifications Parameter Symbol Min Typ Max Unit Test Conditions/Comments
DC-TO-DC CONVERTER SUPPLY Setpoint VISO 4.75 5.0 5.25 V VISO output current (IISO) = 10 mA Line Regulation VISO (LINE) 2 mV/V IISO = 50 mA, VDDP = 4.5 V to 5.5 V Load Regulation1 VISO (LOAD) 1 5 % IISO = 10 mA to 90 mA Output Ripple1 VISO (RIP) 75 mV p-p 20 MHz bandwidth, bypass output capacitance (CBO) = 0.1 µF||10 µF, IISO = 90 mA Output Noise1 VISO (NOISE) 200 mV p-p CBO = 0.1 µF||10 µF, IISO = 90 mA Switching Frequency fOSC 180 MHz Pulse-Width Modulation (PWM) fPWM 625 kHz Frequency Output Supply Current1 IISO (MAX) 50 mA 4.75 V < VISO < 5.25 V 100 mA 4.5 V < VISO < 5.25 V Efficiency at IISO (MAX) 33 % IISO = 100 mA, TA = 25°C VDDP Supply Current No VISO Load IDDP (Q) 8 25 mA Full VISO Load IDDP (MAX) 310 mA Thermal Shutdown Shutdown Temperature 154 °C Thermal Hysteresis 10 °C 1 Maximum VISO output current is derated by 1.75 mA/ºC for TA > 85ºC.
Table 2. ADuM5028-5BRIZ DC-to-DC Converter Static Specifications Parameter Symbol Min Typ Max Unit Test Conditions/Comments
DC-TO-DC CONVERTER SUPPLY Setpoint VISO 4.75 5.0 5.25 V IISO = 10 mA Line Regulation VISO (LINE) 2 mV/V IISO = 30 mA, VDDP = 4.5 V to 5.5 V Load Regulation1 VISO (LOAD) 1 5 % IISO = 6 mA to 54 mA Output Ripple1 VISO (RIP) 75 mV p-p 20 MHz bandwidth, CBO = 0.1 µF||10 µF, IISO = 54 mA Output Noise1 VISO (NOISE) 200 mV p-p CBO = 0.1 µF||10 µF, IISO = 54 mA Switching Frequency fOSC 180 MHz PWM Frequency fPWM 625 kHz Output Supply Current1 IISO (MAX) 60 mA 4.75 V < VISO < 5.25 V Efficiency at IISO (MAX) 33 % IISO = 60 mA, TA = 25°C VDDP Supply Current No VISO Load IDDP (Q) 8 25 mA Full VISO Load IDDP (MAX) 190 mA Thermal Shutdown Shutdown Temperature 154 °C Thermal Hysteresis 10 °C 1 Maximum VISO output current is derated by 1 mA/ºC for TA > 85ºC. Rev. A | Page 3 of 20 Document Outline Features Applications Functional Block Diagrams General Description Revision History Specifications Electrical Characteristics—5 V Primary Input Supply/5 V Secondary Isolated Supply Electrical Characteristics—5 V Primary Input Supply/3.3 V Secondary Isolated Supply Electrical Characteristics—3.3 V Primary Input Supply/3.3 V Secondary Isolated Supply Regulatory Approvals Insulation and Safety Related Specifications Package Characteristics DIN V VDE V 0884-10 (VDE V 0884-10) Insulation Characteristics Recommended Operating Conditions Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information PCB Layout Thermal Analysis EMI Considerations Insulation Lifetime Surface Tracking Insulation Wear Out Calculation and Use of Parameters Example Outline Dimensions Ordering Guide