VIPER22AS vs VIPER27LDTR

This in-depth comparison of the VIPER22AS and VIPER27LDTR provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

VIPER22AS

STMicroelectronics

Lifecycle: Active
Stock: 9172 PCS
Series: Power Management (PMIC) - AC DC Converters, Offline Switchers

+BOM RFQ

Part B

VIPER27LDTR

STMicroelectronics

Lifecycle: Active
Stock: 5907 PCS
Package: SOP-16
Series: PMIC - AC DC Converters, Offline Switchers

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	VIPER22AS	VIPER27LDTR
Series	VIPER™	VIPer™ plus
Part Status	Obsolete	Active
Base Product Number	VIPER22	-
Output Isolation	Isolated	Isolated
Internal Switch(s)	Yes	Yes
Voltage - Breakdown	730V	800V
Topology	Flyback	Flyback
Voltage - Start Up	14.5 V	14 V
Voltage - Supply (Vcc/Vdd)	8V ~ 38V	8.5V ~ 23.5V
Frequency - Switching	60kHz	60kHz
Fault Protection	Current Limiting, Over Temperature, Over Voltage	Current Limiting, Over Temperature, Over Voltage
Operating Temperature	-40°C ~ 150°C (TC)	-40°C ~ 150°C (TJ)
Mounting Type	Surface Mount	-
Packaging	Tube	-
Power (Watts)	7 W	20 W
Duty Cycle	-	80%

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