UC3845BNG vs UC3847N

This in-depth comparison of the UC3845BNG and UC3847N 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

UC3845BNG

onsemi

Lifecycle
Active
Stock
3896 PCS
Package
DIP-8
Series
PMIC - Voltage Regulators - DC DC Switching Controllers
+BOM RFQ
Part B

UC3847N

Texas Instruments

Lifecycle
Active
Stock
5376 PCS
Package
DIP-16
Series
PMIC - Voltage Regulators - DC DC Switching Controllers
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification UC3845BNG UC3847N
Supplier - Rochester Electronics, LLC,Texas Instruments
Part Status Active 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
Topology Boost, Flyback Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull
Number of Outputs 1 2
Output Phases 1 1
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V 6.95V ~ 40V
Frequency - Switching Up to 500kHz 500kHz
Duty Cycle(Max) 48% 50%
Synchronous Rectifier No Yes
Clock Sync No Yes
Control Features Frequency Control Current Limit, Enable, Frequency Control, Soft Start
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Through Hole Through Hole
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