adum5000 Analog Devices, Inc., adum5000 Datasheet

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adum5000

Manufacturer Part Number
adum5000
Description
Isolated Dc/dc Converter
Manufacturer
Analog Devices, Inc.
Datasheet

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Preliminary Technical Data
FEATURES
isoPower™ integrated isolated DC/DC converter
Regulated 3.3V or 5V output
500mW output power
SOIC 16-lead package with > 8mm creepage
High temperature operation: 105°C
High common-mode transient immunity: > 25 kV/μs
Thermal Overload Protection
Safety and regulatory approvals (pending)
APPLICATIONS
RS-232/RS-422/RS-485 transceiver
Industrial field bus isolation
Power Supply start up and Gate Drive
Isolated Sensor Interface
Industrial PLC
GENERAL DESCRIPTION
The ADuM5000
Analog Devices’ iCoupler® technology, the DC/DC converter
provides up to 500 mW of regulated, isolated power at either
5.0V from a 5.0V input supply or 3.3V from a 3.3V or 5.0V
supply. Analog Devices’ chip-scale transformer iCoupler
technology is used both for the DC/DC converter. The result is a
small form-factor total-isolation solution.
ADuM5000 units may be used in combination with ADuM540x
and ADuM520x with isoPower to achieve higher output power
levels.
Rev. PrA
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
UL recognition
CSA component acceptance notice #5A
VDE certificate of conformity
2500 V rms for 1 minute per UL 1577
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
V
IORM
= 560 V peak
1
is an isolated DC/DC converter. Based on
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
1
Protected by U.S. Patents 5,952,849, 6,873,065. and 7075 329 B2, Other
patents pending.
Isolated DC/DC Converter
FUNCTIONAL BLOCK DIAGRAM
Figure 1ADuM5000 Functional Diagram
©2008 Analog Devices, Inc. All rights reserved.
ADuM5000
www.analog.com

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adum5000 Summary of contents

Page 1

... Analog Devices’ chip-scale transformer iCoupler technology is used both for the DC/DC converter. The result is a small form-factor total-isolation solution. ADuM5000 units may be used in combination with ADuM540x and ADuM520x with isoPower to achieve higher output power levels. Rev. PrA Information furnished by Analog Devices is believed to be accurate and reliable ...

Page 2

... DIN V VDE V 0884-10 (VDE V 0884-10) Insulation Characteristics .............................................................................. 7 Recommended Operating Conditions ...................................... 7 REVISION HISTORY Absolute Maximum Ratings ............................................................8 ESD Caution...................................................................................8 Pin Configuration and Function Descriptions..............................9 Application Information................................................................ 12 Theory of operation ................................................................... 12 PC Board Layout ........................................................................ 12 Thermal Analysis ....................................................................... 12 Insulation Lifetime ..................................................................... 13 Outline Dimensions ....................................................................... 15 Ordering Guide .......................................................................... 15 Rev. PrA | Page ADuM5000 ...

Page 3

... ISO(LINE ISO(LOAD ISO(RIP) V 200 ISO(N) f 180 OSC f 625 PWM I 290 DD1(Max) load conditions. ISO Rev. PrA | Page ADuM5000 1 = 25° ISO SEL Unit Test Conditions V I =0mA ISO mV/V I =50mA, V =4.5V to 5.5V ISO DD1 % I = 10mA to 100mA ISO =0.1μ ...

Page 4

... ADuM5000 ELECTRICAL CHARACTERISTICS – 3.3V PRIMARY INPUT SUPPLY / 3.3V SECONDARY ISOLATED SUPPLY 3.0 V ≤ V ≤ 3 =GND ; all voltages are relative to their respective ground. All min/max specifications apply over the entire DD1 SEL ISO recommended operating range, unless otherwise noted. All typical specifications are at T GND ...

Page 5

... V 1 ISO(LINE ISO(LOAD ISO(RIP) V 130 ISO(N) f 180 SW f 625 PWM I 230 DD1(Max) load conditions. ISO Rev. PrA | Page ADuM5000 1 = 25° ISO SEL Unit Test Conditions V I =0mA ISO mV/V I =50mA, V =4.5V to 5.5V ISO DD1 % I = 10mA to 100mA ISO =0.1μ ...

Page 6

... In accordance with UL1577, each ADuM5000 is proof tested by applying an insulation test voltage ≥3000 V rms for 1 sec (current leakage detection limit = 5 μA accordance with DIN V VDE V 0884-10, each ADuM5000 is proof tested by applying an insulation test voltage ≥1050 V peak for 1 sec (partial discharge detection limit = 5 pC) ...

Page 7

... RECOMMENDED OPERATING CONDITIONS Table 8. Parameter Operating Temperature Supply Voltages SEL SEL 1 All voltages are relative to their respective ground. 150 200 Rev. PrA | Page ADuM5000 Symbol Characteristic III 40/105/ 560 IORM = 1 sec, V 1050 ...

Page 8

... Low power mode, Converter disabled X X WARNING! This combination of RC Damage will occur on the secondary due to exess output voltage RCin must be either Low or a PWM signal from a master ISO isoPower part.. Rev. PrA | Page ADuM5000 and RC is prohibited. IN SEL ...

Page 9

... In Master/Stand alone mode(RC function. This pin is weakly pulled to low. In Noisy environments it should be tied to low PWM control source. Warning -This pin must not be tied high if RC secondary, damaging the ADuM5000 and possibly devices that it powers ...

Page 10

... ADuM5000 Typical Performance Characteristics 0.4 0.35 0.3 0.25 0.2 0.15 0.1 3. 3.3V out 3.3V out 0. out 0 0 0.02 0.04 0.06 Output Current (A) Figure 4. Typical Power Supply Efficiency at 5V/5V, 3.3V/3.3V and 5V/3.3V 0.12 0.1 0.08 0.06 0.04 0. 0.05 0.1 0.15 0.2 Input Current (A) Figure 5. Typical Isolated Output Supply Current, I external load, no dynamic current draw at 5V/5V, 3.3V/3.3V and 5V/3.3V 4 3.5 3 2.5 2 1 3.5 4 4.5 5 Input Voltage (V) Figure 6. Typical Short Circuit Input Current and Power vs. V voltage 0 ...

Page 11

... Preliminary Technical Data Figure 9. Typical Viso=5V Output Voltage Ripple at 90% Load Figure 10. Typical Viso=3.3V Output Voltage Ripple at 90% Load Rev. PrA | Page ADuM5000 ...

Page 12

... THERMAL ANALYSIS The ADuM5000 parts consist of four internal die, attached to a split lead frame with two die attach paddles. For the purposes of thermal analysis it is treated as a thermal unit with the highest junction temperature reflected in the θ ...

Page 13

... Master/Stand alone unit, it generates its own PWM feedback signal to regulate itself and slave devices. The ADuM5000 can act as a master or a slave deice, the ADuM5400 can only be a master/stand alone, and the ADuM5200 can only be a slave/Stand alone device. This means that the ADuM5000, ADuM5200, and ADuM5400 can only be used in certain master slave combinations as listed in Table 13 ...

Page 14

... ADuM5000 voltage waveform type imposed across the isolation barrier. The iCoupler insulation structure degrades at different rates depending on whether the waveform is bipolar ac, unipolar ac, or dc. Figure 12, Figure 13, and Figure 14 illustrate these different isolation voltage waveforms. Bipolar ac voltage is the most stringent environment. The goal of a 50-year operating lifetime under the ac bipolar condition determines ADI’ ...

Page 15

... Dimension shown in millimeters and (inches) Maximum Maximum Maximum Data Rate Propagation Pulse Width Side (Mbps) Delay (ns) Distortion (ns) Temperature Range (° Rev. PrA | Page ADuM5000 0.75 (0.0295) × 45° 0.25 (0.0098) 8° 0° 1.27 (0.0500) 0.40 (0.0157) Package Option −40 to +105 16-Lead SOIC_W PR07539-0-5/08(PrA) ...

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