ADUM3070 AD [Analog Devices], ADUM3070 Datasheet
ADUM3070
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ADUM3070 Summary of contents
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... NOTES THE POWER SUPPLY FOR THE PUSH-PULL TRANSFORMER. DD1 THE POWER SUPPLY OF SIDE 1 OF THE ADuM3070. DDA Figure 1. The ADuM3070 isolator provides a more stable output voltage and higher efficiency compared to unregulated isolated dc-to-dc power supplies. The fully integrated feedback and loop compensation in a small QSOP package provides a smaller form factor than any discrete solution ...
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... ADuM3070 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Electrical Characteristics—5 V Primary Input Supply/5 V Secondary Isolated Supply........................................................... 3 Electrical Characteristics—3.3 V Primary Input Supply/3.3 V Secondary Isolated Supply........................................................... 3 Electrical Characteristics—5 V Primary Input Supply/3.3 V Secondary Isolated Supply........................................................... 4 Electrical Characteristics—5 V Primary Input Supply/15 V Secondary Isolated Supply ...
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... Maximum Output Supply Current Efficiency at Maximum Output Current the power supply for the push-pull transformer. DD1 the power supply of Side 1 of the ADuM3070. DDA ELECTRICAL CHARACTERISTICS—3.3 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY 3.0 V ≤ ≤ 3 DD1 DDA ...
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... Maximum Output Supply Current Efficiency at Maximum Output Current the power supply for the push-pull transformer. DD1 the power supply of Side 1 of the ADuM3070. DDA = 500 kHz, all voltages are relative to their respective grounds, see the application ISO 5 ...
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... Measured from input terminals to output terminals along the printed circuit board (PCB) seating plane Measured from input terminals to output terminals, shortest distance path along body Distance through insulation DIN IEC 112/VDE 0303 Part 1 Material Group (DIN VDE 0110, 1/89, Table 1) ADuM3070 2 ...
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... ADuM3070 DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS These isolators are suitable for reinforced electrical isolation only within the safety limit data. Protective circuits ensure maintenance of the safety data. The asterisk (*) marking on packages denotes DIN V VDE V 0884-10 approval. Table 8. Parameter Installation Classification per DIN VDE 0110 For Rated Mains Voltage ≤ ...
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... All voltages are relative to their respective ground the power supply for the push-pull transformer, and V 2 DD1 supply of Side 1 of the ADuM3070. 3 Refers to common-mode transients across the insulation barrier. Common- mode transients exceeding the absolute maximum ratings may cause latch-up or permanent damage. ...
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... V REG Connect a 0.1 µF bypass capacitor from Input of the Internal Regulator to Power the Secondary Side Controller. V REG to regulate the REG *GND GND * ADuM3070 DD2 TOP VIEW (Not to Scale ...
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... LOAD CURRENT (mA) at 500 kHz 100 150 200 LOAD CURRENT (mA) Frequencies with 1:3 Halo Transformer (TGSAD-290V6LF) ADuM3070 = –40° +25° +105°C A 450 500 SW 450 500 = 1MHz = 700kHz = 500kHz = 200kHz 250 300 ...
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... ADuM3070 100 150 LOAD CURRENT (mA) Figure 10. Typical Efficiency at 3 Out over Temperature with 1:3 Halo Transformer (TGSAD-290V6LF) at 500 kHz LOAD CURRENT (mA) Figure 11 Out Efficiency at Various Switching Frequencies with ...
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... ISO with 0.1 µF Feedback Capacitor SW 4 47µ 47µH OUT 3.5 3.0 2.5 4 47µ 100µH OUT 3.5 3.0 2.5 1.0 10% LOAD 90% LOAD 0.5 0 – TIME (ms) Load Transient Load Response 3.3 V Out at ISO 10% to 90% Load of 500 mA Load at 500 kHz f ADuM3070 ...
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... ADuM3070 4 47µ 47µH OUT 3.5 3.0 2.5 4 47µ 100µH OUT 3.5 3.0 2.5 1.0 10% LOAD 90% LOAD 0.5 0 – TIME (ms) Figure 22. Typical V Load Transient Load Response 3.3 V Out at ISO 10% to 90% Load of 500 mA Load at 500 kHz f with 0.1 µF Feedback Capacitor SW 4 47µ 47µH OUT 3 ...
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... TIME (µs) Figure 29. Typical V Output Ripple, 3 3.3 V Out at ISO 250 mA Load at 500 kHz f 15.08 15.06 15.04 15.02 15.00 14.98 14.96 14. Rev Page –2 – TIME (µs) Figure 30. Typical V Output Ripple Out at ISO 100 mA Load at 500 kHz f SW ADuM3070 2 ...
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... T1 C OUT1 47µ OUT2 D2 47µH 47µ REG 2 GND 15 GND 1 2 0.1µ DD2 ADuM3070 + 100kΩ DDA 8 GND 9 GND × (R1 + R2)/R2 ISO FB FOR V = 15V OR LESS, V ...
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... SW ( MIN ) is the maximum input supply voltage. is the minimum primary switching frequency = 300 kHz ADuM3070 is the primary inductance. Transformers ADuM3070 are recommended to have between 60 µH pulse-by-pulse current-limit circuit, which can help ADuM3070 is primary resistance. Primary resistance as ADuM3070 / designs ...
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... Values as large as 200 µH can be used for power supply applications with a switching frequency as low as 200 kHz to help stabilize the output voltage or for improved load transient response (see Figure 19 ADuM3070 to Figure 26). Inductors in a small 1212 or 1210 size are listed in Table 14 with a 47 µH value and a 0.41 A current rating to handle the majority of applications below a 400 mA load, and with a 100 µ ...
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... CONTROLLER INTERNAL FEEDBACK GND1 GND2 IS THE POWER SUPPLY FOR THE PUSH-PULL TRANSFORMER. DD1 IS THE POWER SUPPLY OF SIDE 1 OF THE ADuM3070. DDA Figure 35. Supply Currents Rev Page ADuM3070 parts consist of two internal die attached based on measurements taken with the devices ...
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... Analog Devices, Inc., conducts an extensive set of evaluations to determine the lifetime of the insulation structure within the ADuM3070. Accelerated life testing is performed using voltage levels higher than the rated continuous working voltage. Acceleration factors for several operating conditions are determined, allowing calculation of the time to failure at the working voltage of interest ...
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... COMPLIANT TO JEDEC STANDARDS MO-137-AB Figure 39. 16-Lead Shrink Small Outline Package [QSOP] (RQ-16) Dimension shown in inches and (millimeters) Package Description 16-Lead Shrink Small Outline Package [QSOP] Evaluation Board Rev Page 0.010 (0.25) 0.020 (0.51) 0.006 (0.15) 0.010 (0.25) 0.041 (1.04) REF 0.050 (1.27) 0.016 (0.41) Package Option RQ-16 ADuM3070 ...
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... ADuM3070 NOTES ©2012 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D10437-0-5/12(0) Rev Page Data Sheet ...