Datasheet ADuM5020, ADuM5028 (Analog Devices) - 4

ADuM5020/ ADuM5028 Data Sheet ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY
All typical specifications are at TA = 25°C, VDDP = 5.0 V, VISO = 3.3 V. Minimum/maximum specifications apply over the entire recommended operation range, which is 4.5 V ≤ VDDP ≤ 5.5 V, 3.0 V ≤ VISO ≤ 3.6 V, and −40°C ≤ TA ≤ +125°C, unless otherwise noted.
Table 3. ADuM5020-5BRIZ DC-to-DC Converter Static Specifications Parameter Symbol Min Typ Max Unit Test Conditions/Comments
DC-TO-DC CONVERTER SUPPLY Setpoint VISO 3.135 3.3 3.465 V 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) 50 mV p-p 20 MHz bandwidth, CBO = 0.1 µF||10 µF, IISO = 90 mA Output Noise1 VISO (NOISE) 130 mV p-p CBO = 0.1 µF||10 µF, IISO = 90 mA Switching Frequency fOSC 180 MHz PWM Frequency fPWM 625 kHz Output Supply Current1 IISO (MAX) 50 mA 3.135 V < VISO < 3.465 V 100 mA 3.0 V < VISO < 3.465 V Efficiency at IISO (MAX) 27 % IISO = 100 mA, TA = 25°C VDDP Supply Current No VISO Load IDDP (Q) 5 18 mA Full VISO Load IDDP (MAX) 250 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 4. ADuM5028-5BRIZ DC-to-DC Converter Static Specifications Parameter Symbol Min Typ Max Unit Test Conditions/Comments
DC-TO-DC CONVERTER SUPPLY Setpoint VISO 3.135 3.3 3.465 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) 50 mV p-p 20 MHz bandwidth, CBO = 0.1 µF||10 µF, IISO = 54 mA Output Noise1 VISO (NOISE) 130 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) 30 mA 3.135 V < VISO < 3.465 V 60 mA 3.0 V < VISO < 3.465 V Efficiency at IISO (MAX) 27 % IISO = 60 mA, TA = 25°C VDDP Supply Current No VISO Load IDDP (Q) 5 18 mA Full VISO Load IDDP (MAX) 150 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 4 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