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E-UC3843BN

E-UC3843BN

E-UC3843BN

STMicroelectronics

8 Terminals 7.6V~30V 8-Pin UC3843 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs Up to 500kHz Transistor Driver

SOT-23

E-UC3843BN Datasheet

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In-Stock: 0 items
Specifications
Name Value
Type Parameter
Mount Through Hole
Mounting Type Through Hole
Package / Case 8-DIP (0.300, 7.62mm)
Number of Pins 8
Operating Temperature 0°C~70°C TA
Packaging Tube
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Max Power Dissipation 1.25W
Terminal Position DUAL
Terminal Pitch 2.54mm
Frequency 250kHz
Base Part Number UC3843
Function Step-Up/Step-Down
Number of Outputs 1
Output Voltage 13.5V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive, Isolation Capable
Power Dissipation 1.25W
Output Current 200mA
Voltage - Supply (Vcc/Vdd) 7.6V~30V
Control Features Frequency Control
Topology Boost, Flyback
Control Mode CURRENT-MODE
Frequency - Switching Up to 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 50ns
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Nominal Input Voltage 15V
Switcher Configuration SINGLE
Max Duty Cycle 100 %
Duty Cycle (Max) 96%
Width 7.62mm
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $2.649467 $2.649467
10 $2.499497 $24.99497
100 $2.358016 $235.8016
500 $2.224544 $1112.272
1000 $2.098626 $2098.626
E-UC3843BN Product Details

E-UC3843BN Overview


The switching controller fits in the 8-DIP (0.300, 7.62mm) package and is ideal for most applications. There is sufficient capacity to generate switching controller for outputs 1. PMIC is packaged in a solid enclosure of Tube. It is capable of handling Transistor Driver dc switching's outputs (s). DC control operates at 7.6V~30V volts and has 7.6V~30V supply voltage. Qualified to work in a 0°C~70°C TA dc switcher. This switching controller can switch at Up to 500kHz. dc dc regulators can be carried out with Through Hole. For efficient switching control, the dcdc regulator features Frequency Control. An analog IC SWITCHING CONTROLLER is connected to the switch converters. Terminal (s) of the switching converters are designed at the DUAL position. 8 terminations with various dc switching's functions. It includes PULSE WIDTH MODULATION as one of the control techniques dc dc converter ic adapts. DC switcher's voltage input is 15V. Other relevant dc to dc converter ics can be found by searching "UC3843". 8 pins are on switching converter. As determined by the test statistics, the output voltage of DC regulator is 13.5V. A starting point for a project is to note down the dc dc regulator's usual output current, which is 200mA. The duty cycle of the voltage regulator dc to dc can be set to 100 % on power-up or power-down to ensure reliability. In most applications and prototypes, DC switcher's Through Hole makes it suitable. A frequency of 250kHz is used by the switching controller. Input voltage can be set to 15V for nominal working status.

E-UC3843BN Features


Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 100 %
Frequency: 250kHz

E-UC3843BN Applications


There are a lot of STMicroelectronics E-UC3843BN DC to DC converter applications.

  • PSRR circuits
  • seismic instrument power circuits
  • Electric water heaters
  • Scientific testing
  • SMT equipment
  • Elevator lighting
  • Power supplies of electronic gadgets
  • Hydraulic presses
  • Laboratories
  • Terrestrial set-top boxes

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