ADUM4190 High Stability Isolated Error Amplifier _ BDTIC a Leading Distributor in China

ADUM4190 High Stability Isolated Error Amplifier

The ADuM4190 is an isolated error amplifier based on ADI, iCoupler® technology. The ADuM4190 is ideal for linear feedback power supplies. The primary side controllers of the ADuM4190 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 ADuM4190 transfer function does not change over its lifetime and is stable over a wide temperature range of −40°C to +125°C.

Included in the ADuM4190 is a wideband operational amplifier for a variety of commonly used power supply loop compensation techniques. The ADuM4190 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 ADuM4190 is packaged in a wide body, 16-lead SOIC package for a reinforced 5 kV rms isolation voltage rating.

Applications

Features and Benefits

Stable over time and temperature

0.5% initial accuracy
1% accuracy over the full temperature range

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: 3.0 V to 20 V (VDD1 and VDD2)

Output -3 dB bandwidth: 400 kHz typical

Isolation voltage: 5 kV rms reinforced

See data sheet for additional features

Download ADuM4190-EP data sheet (pdf)

Military temperature range (−55°C to +125°C)

Controlled manufacturing baseline

One assembly/test site

One fabrication site

Enhanced product change notification

Qualification data available on request

Data Sheets

Document	note
ADuM4190: High Stability Isolated Error Amplifier Data Sheet (Rev. 0)	PDF 472 kB
ADUM4190-EP: Enhanced Product Data Sheet (Rev. 0)	PDF 472.13 K

Order Information

Part Number	Package	Packing Qty	Temp Range	Price 100-499	Price 1000+	RoHS
ADUM4190ARIZ Production	16 ld SOIC (increased Creepage)	OTH 37	-40 to 85C	1.38	1.2	Y
ADUM4190ARIZ-RL Production	16 ld SOIC (increased Creepage)	REEL 1000	-40 to 85C	0	1.2	Y
ADUM4190BRIZ Production	16 ld SOIC (increased Creepage)	OTH 37	-40 to 85C	1.48	1.28	Y
ADUM4190BRIZ-RL Production	16 ld SOIC (increased Creepage)	REEL 1000	-40 to 85C	0	1.28	Y
ADUM4190SRIZ Production	16 ld SOIC (increased Creepage)	OTH 37	-40 to 125C	1.5	1.3	Y
ADUM4190SRIZ-RL Production	16 ld SOIC (increased Creepage)	REEL 1000	-40 to 125C	0	1.3	Y
ADUM4190TRIZ Production	16 ld SOIC (increased Creepage)	OTH 37	-40 to 125C	1.6	1.39	Y
ADUM4190TRIZ-RL Production	16 ld SOIC (increased Creepage)	REEL 1000	-40 to 125C	0	1.39	Y