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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

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.
FEATURES
Stable over time and temperature
0.5% initial accuracy
1% accuracy over the full temperature range
Compatible with Type II or Type III compensation networks
Reference voltage: 1.225V
Compatible with DOSA
Low power operation: <7 mA total
Wide voltage supply range
VDD1: 3 V to 20V
VDD2: 3 V to 20V
Bandwidth: 400 kHz
Isolation voltage: 2.5 kVrms
Safety and regulatory approvals (pending)
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 = 560 V peak
Wide temperature range
−40°C to +125°C ambient operation
150°C maximum junction temperature
APPLICATIONS
Linear power supplies
Inverters
Uninterruptible PowerSupply (UPS)
DOSA-compatible modules
Voltage monitors

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ADUM3190SRQZ Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	QSOP-16
Supply Current	1.40 mA
Number of Channels	2 Channel
Number of Positions	16 Position
Power Dissipation	1.64 W
Common Mode Rejection Ratio	72 dB
Bandwidth	200 kHz
Gain Bandwidth Product	10 MHz
Isolation Voltage	2.5 kV
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
3dB Bandwidth	200 kHz
Power Dissipation (Max)	1640 mW
Minimum CMRR Range	60dB ~ 75dB
Supply Voltage	3V ~ 20V
Supply Voltage (Max)	20V ~ 30V
Supply Voltage (Min)	3 V
	Show
Size-Length	5 mm
Size-Width	4.01 mm
Size-Height	1.65 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

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