VIPER267KDTR vs VIPER37LD

This in-depth comparison of the VIPER267KDTR and VIPER37LD 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

VIPER267KDTR

STMicroelectronics

Lifecycle
Active
Stock
4593 PCS
Package
SO-16
Series
PMIC - AC DC Converters, Offline Switchers
+BOM RFQ
Part B

VIPER37LD

STMicroelectronics

Lifecycle
Active
Stock
3438 PCS
Package
SO-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 VIPER267KDTR VIPER37LD
Series VIPER™ VIPer™ plus
Part Status Active Active
Output Isolation Either Isolated
Internal Switch(s) Yes Yes
Voltage - Breakdown 1050V 800V
Topology Buck, Boost, Buck-Boost, Flyback Flyback
Voltage - Start Up 13 V 14 V
Voltage - Supply (Vcc/Vdd) 11.5V ~ 23.5V 8.5V ~ 23.5V
Duty Cycle 80% 80%
Frequency - Switching 60kHz 60kHz
Power (Watts) 20 W 20 W
Fault Protection Current Limiting, Over Load, Short Circuit Current Limiting, Over Temperature, Over Voltage
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)
Control Features EN, Soft Start -
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