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Same model may have multiple batches, images only for reference.
UC3843J Real Image
Same model may have multiple batches, images only for reference.

UC3843J

Part No UC3843J
Manufacturer Unitrode
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description 1A, 500KHZ BIPOLAR, CDIP8
Sample
Rohs State Need to verify
ECAD Module
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Products specifications Report Issue?

Category Integrated Circuits (ICs) - Power Management (PMIC) - DC DC Switching Controllers
Mfr Unitrode
Package Bulk
Product Status Active
Output Type Transistor Driver
Function Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration Positive, Isolation Capable
Topology Boost, Buck, Buck-Boost, Flyback, Forward
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 12V ~ 28V
Frequency - Switching Up to 500kHz
Duty Cycle (Max) 97%
Synchronous Rectifier No
Clock Sync No
Control Features Frequency Control
Temperature Range - Operating 0°C ~ 70°C (TA)
Mounting Type Through Hole
Package / Case 8-CDIP (0.300", 7.62mm)
Supplier Device Package 8-CDIP
Base Product Number UC3843
Standard Package 1 pcs
MSL Level 3 (168 Hours)
REACH Status REACH Affected
ECCN EAR99
HTSUS 8542.39.0001
Win Source Part Number 720985-UC3843J
Ultra Librarian 3D Model Ultra Librarian UC3843J CAD Model

Description

The UC3843J power management controller is manufactured by Unitrode.

  • Transistor Driver Output Type: Yes
  • Topologies: Boost, buck, buck-boost, flyback, and forward
  • Switching Frequency: Up to 500kHz
  • Control Feature: Frequency control
  • Maximum Duty Cycle: 97%
  • Mounting Type: Through Hole
  • Package: 8-CDIP
  • Voltage Supply: 12V to 28V
  • Operating Temperature Range: 0°C to 70°C

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