UC3844BN vs UC3843BVN

This in-depth comparison of the UC3844BN and UC3843BVN 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

UC3844BN

onsemi

Lifecycle
Active
Stock
4025 PCS
Package
DIP-8
Series
PMIC - Voltage Regulators - DC DC Switching Controllers
+BOM RFQ
Part B

UC3843BVN

onsemi

Lifecycle
Active
Stock
6572 PCS
Package
DIP-8
Series
PMIC - Voltage Regulators - DC DC Switching Controllers
+BOM RFQ

Need help validating a replacement?

Send your BOM and application constraints for technical and sourcing review.

RFQ Contact technical support

Full specification comparison

Use manufacturer datasheets as the final authority.

Specification UC3844BN UC3843BVN
Supplier - onsemi
Part Status Obsolete Obsolete
Output Type Transistor Driver Transistor Driver
Function Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Output Configuration Positive, Isolation Capable Positive, Isolation Capable
Topology Boost, Flyback Boost, Flyback
Number of Outputs 1 1
Output Phases 1 1
Voltage - Supply (Vcc/Vdd) 10V ~ 36V 7.6V ~ 30V
Frequency - Switching Up to 500kHz Up to 500kHz
Duty Cycle(Max) 48% 96%
Synchronous Rectifier No No
Clock Sync No No
Control Features Frequency Control Frequency Control
Operating Temperature 0°C ~ 70°C (TA) -40°C ~ 105°C (TA)
Mounting Type Through Hole Through Hole
Compare RFQ