UC3843BN

• Mounting Type
  Through Hole
• Package / Case
  8-DIP (0.300, 7.62mm)
• Surface Mount
  NO
• Number of Pins
  8
• Operating Temperature
  0°C~70°C TA
• Packaging
  Tube
• Published
  1999
• JESD-609 Code
  e0
• Part Status
  Obsolete
• Moisture Sensitivity Level (MSL)
  1 (Unlimited)
• Number of Terminations
  8
• ECCN Code
  EAR99
• Terminal Finish
  Tin/Lead (Sn/Pb)
• Subcategory
  Switching Regulator or Controllers
• Technology
  BIPOLAR
• Terminal Position
  DUAL
• Terminal Pitch
  2.54mm
• Frequency
  60kHz
• Base Part Number
  UC384*B
• Function
  Step-Up, Step-Up/Step-Down
• Number of Outputs
  1
• Output Voltage
  5.1V
• Output Type
  Transistor Driver
• Operating Supply Voltage
  30V
• Input Voltage-Nom
  15V
• Analog IC - Other Type
  SWITCHING CONTROLLER
• Output Configuration
  Positive
• Power Dissipation
  800mW
• Output Current
  1A
• Voltage - Supply (Vcc/Vdd)
  7.6V~30V
• Quiescent Current
  12mA
• Control Features
  Frequency Control
• Topology
  Boost, Flyback
• Control Mode
  CURRENT-MODE
• Frequency - Switching
  Up to 500kHz
• Input Voltage (Max)
  25V
• Control Technique
  PULSE WIDTH MODULATION
• Rise Time
  50ns
• Synchronous Rectifier
  No
• Fall Time (Typ)
  50 ns
• Switcher Configuration
  SINGLE
• Max Duty Cycle
  96 %
• Height Seated (Max)
  4.45mm
• Width
  7.62mm
• RoHS Status
  Non-RoHS Compliant
• Lead Free
  Lead Free

UC3843BN Overview
The mounting type for this electronic component is through hole, meaning it can be easily secured onto a circuit board using traditional methods. The packaging for this component is in a tube, making it convenient for storage and transportation. With 8 terminations, this component allows for multiple connections to be made. Its technology is bipolar, which refers to the use of both positive and negative charges in its operation. The terminal pitch of this component is 2.54mm, providing enough space for precise connections. With a frequency of 60kHz, it can operate at high speeds. Its output configuration is positive, ensuring a stable and reliable output. The voltage supply range for this component is 7.6V to 30V, and its maximum input voltage is 25V. With a width of 7.62mm, this component is compact and can easily fit into tight spaces on a circuit board.

UC3843BN Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 96 %
Frequency: 60kHz

UC3843BN Applications
There are a lot of ON Semiconductor UC3843BN DC to DC converter applications.

Pipe bending machines
Energy management systems
CMM
Servo drive system
Domestic water pumps
Overvoltage protection circuits in TV sets
Game consoles
Motor controller circuits
Power supplies of electronic gadgets
Scientific research