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ADUM3190 Dataheets PDF



Part Number ADUM3190
Manufacturers Analog Devices
Logo Analog Devices
Description High Stability Isolated Error Amplifier
Datasheet ADUM3190 DatasheetADUM3190 Datasheet (PDF)

Data Sheet High Stability Isolated Error Amplifier ADuM3190 FEATURES Stability in isolated feedback applications 0.5% initial accuracy 1% accuracy over the full temperature range Compatible with Type II or Type III compensation networks Reference voltage: 1.225 V Compatible with DOSA Low power operation: <7 mA total Wide voltage supply range VDD1: 3 V to 20 V VDD2: 3 V to 20 V Bandwidth: 400 kHz Isolation voltage: 2.5 kV rms Safety and regulatory approvals UL recognition: 2500 V rms for 1 minu.

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Data Sheet High Stability Isolated Error Amplifier ADuM3190 FEATURES Stability in isolated feedback applications 0.5% initial accuracy 1% accuracy over the full temperature range Compatible with Type II or Type III compensation networks Reference voltage: 1.225 V Compatible with DOSA Low power operation: <7 mA total Wide voltage supply range VDD1: 3 V to 20 V VDD2: 3 V to 20 V Bandwidth: 400 kHz Isolation voltage: 2.5 kV rms Safety and regulatory approvals UL recognition: 2500 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice #5A VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 565 V peak Wide temperature range −40°C to +125°C ambient operation 150°C maximum junction temperature Qualified for automotive applications GENERAL DESCRIPTION The ADuM31901 is an isolated error amplifier based on Analog Devices, Inc., iCoupler® technology. The ADuM3190 is ideal for linear feedback power supplies. The primary side controllers of the ADuM3190 enable improvements in transient response, power density, and stability as compared to commonly used optocoupler and shunt regulator solutions. Unlike optocoupler-based solutions, which have an uncertain current transfer ratio over lifetime and at high temperatures, the ADuM3190 transfer function does not change over its lifetime, and it is stable over a wide temperature range of −40°C to +125°C. Included in the ADuM3190 is a wideband operational amplifier for a variety of commonly used power supply loop compensation techniques. The ADuM3190 is fast enough to allow a feedback loop to react to fast transient conditions and overcurrent conditions. Also included is a high accuracy 1.225 V reference to compare with the supply output setpoint. The ADuM3190 is packaged in a small 16-lead QSOP package for a 2.5 kV rms isolation voltage rating. APPLICATIONS Linear power supplies Inverters Uninterruptible Power Supply (UPS) DOSA-compatible modules Voltage monitors Automotive systems FUNCTIONAL BLOCK DIAGRAM VDD1 1 GND1 2 VREG1 3 REFOUT1 4 NC 5 EAOUT2 6 EAOUT 7 GND1 8 REG UVLO REF Rx UVLO REG REF Tx 16 VDD2 15 GND2 14 VREG2 13 REFOUT 12 +IN 11 –IN 10 COMP 9 GND2 11335-001 Figure 1. 1 Protected by U.S. Patents 5,952,849, 6,873,065 and 7,075,329. Other patents pending. Rev. A Document Feedback 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. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2013–2015 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com ADUM3190* Product Page Quick Link.


SRQ-2116Z ADUM3190 MOF0623


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