UC3844BNG vs UC3845AN

This in-depth comparison of the UC3844BNG and UC3845AN 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

UC3844BNG

onsemi

Lifecycle
Active
Stock
2690 PCS
Package
PDIP-8
Series
PMIC - Voltage Regulators - DC DC Switching Controllers
Part B

UC3845AN

Texas Instruments

Lifecycle
Active
Stock
3989 PCS
Series
Power Management (PMIC) - Power Supply Controllers, Monitors

Need help validating a replacement?

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

Full specification comparison

Use manufacturer datasheets as the final authority.

Specification UC3844BNG UC3845AN
Series - UCx84xA
Part Status Active Active
Applications - PWM Controller
Voltage - Input - -0.3V ~ 6.3V
Voltage - Supply - 7.6V ~ 30V
Supply Current - 11 mA
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Through Hole Through Hole
Base Product Number - UC3845
Output Type Transistor Driver -
Function Step-Up, Step-Up/Step-Down -
Output Configuration Positive, Isolation Capable -
Topology Boost, Flyback -
Number of Outputs 1 -
Output Phases 1 -
Voltage - Supply (Vcc/Vdd) 10V ~ 36V -
Frequency - Switching Up to 500kHz -
Duty Cycle(Max) 48% -
Synchronous Rectifier No -
Clock Sync No -
Control Features Frequency Control -