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STMicroelectronics UC3842BN DC Switching Controllers1Output Up to 500kHz Transistor Driver

UC3842BN
UC3842BN
2381-563-UC3842BN
STMicroelectronics
8-DIP (0.300, 7.62mm)
Switcher Configuration: SINGLE, Number of Pins: 8Pins, Control Technique: PULSE WIDTH MODULATION, Topology: Boost, Flyback, Control Features: Frequency Control
150000In Stock
Min.: 1 Mult.: 1
Quantity Unit Price Ext. Price
1+ $1.79277$1.79
10+ $1.69128$16.91
100+ $1.59555$159.56
500+ $1.505235$752.62
1000+ $1.420035$1420.04
Unit Price: $1.79277
Subtotal: $1.79
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UC3842BN Tech Specifications

STMicroelectronics UC3842BN technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics UC3842BN.

Product Attribute Attribute Value
Lifecycle StatusACTIVE (Last Updated: 7 months ago)
Factory Lead Time14 Weeks
MountThrough Hole
Mounting TypeThrough Hole
Package / Case8-DIP (0.300, 7.62mm)
Number of Pins8Pins
Weight930.006106mg
Voltage - Input (Nom)15V
Operating Temperature0°C~70°C TJ
PackagingTube
Tolerance1%
JESD-609 Codee3
Part StatusActive
Moisture Sensitivity Level (MSL)1 (Unlimited)
Number of Terminations8Terminations
ECCN CodeEAR99
Terminal FinishMatte Tin (Sn) - annealed
Max Power Dissipation1.25W
Voltage - Supply10V~30V
Terminal PositionDUAL
Terminal Pitch2.54mm
Frequency250kHz
Base Part NumberUC3842
FunctionStep-Up, Step-Up/Step-Down
Number of Outputs1Output
Output TypeTransistor Driver
Analog IC - Other TypeSWITCHING CONTROLLER
Output ConfigurationPositive
Power Dissipation1.25W
Max Supply Current17mA
Current - Output200mA
Quiescent Current12mA
Control FeaturesFrequency Control
Voltage - Output5.1V
TopologyBoost, Flyback
Control ModeCURRENT-MODE
Frequency - SwitchingUp to 500kHz
Control TechniquePULSE WIDTH MODULATION
Reference Voltage5V
Rise Time50ns
Synchronous RectifierNo
Fall Time (Typ)50 ns
Nominal Input Voltage15V
Switcher ConfigurationSINGLE
Max Duty Cycle100 %
Duty Cycle (Max)96%
Height3.32mm
Length10.92mm
Width6.6mm
REACH SVHCNo SVHC
RoHS StatusROHS3 Compliant
Lead FreeLead Free
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UC3842BN Product Details

Product Description:

The STMicroelectronics UC3842BN is a high-performance, dual-channel switching controller designed for DC-DC conversion applications. This 8-pin DIP packaged IC is a versatile solution for step-up and step-up/step-down conversion, offering a wide range of features and flexibility for various power supply designs.

Features:

  • Wide Operating Range: The UC3842BN operates from a supply voltage of 10V to 30V, making it suitable for a variety of applications.
  • High Efficiency: With a maximum power dissipation of 1.25W, this IC ensures high efficiency and minimal heat generation.
  • Fast Switching: The IC features a switching frequency of up to 500kHz, allowing for fast and efficient conversion.
  • Low Quiescent Current: The IC has a low quiescent current of 12mA, making it suitable for battery-powered applications.
  • Robust Design: The IC is designed with a robust architecture, ensuring reliable operation and minimal noise.

Applications:

  • Primary Applications:
  • DC-DC converters for industrial and automotive applications
  • Power supplies for medical devices and equipment
  • High-efficiency power conversion for data centers and servers
  • Secondary Applications:
  • LED drivers for lighting applications
  • Power supplies for consumer electronics and appliances
  • High-reliability power conversion for aerospace and defense applications

Alternative Parts:

  • UC3842: The base part number for the UC3842BN, which is a single-channel version of the IC.
  • Other switching controllers from STMicroelectronics: Depending on specific requirements, other switching controllers from STMicroelectronics may be suitable alternatives.

Embedded Modules:

  • DC-DC converters: The UC3842BN is often used in DC-DC converters for various applications, including industrial, automotive, and medical devices.
  • Power supplies: The IC is also used in power supplies for consumer electronics, appliances, and data centers.

FAQs:

Q: What is the maximum supply current for the UC3842BN? A: The maximum supply current is 17mA.

Q: What is the maximum power dissipation for the UC3842BN? A: The maximum power dissipation is 1.25W.

Q: What is the operating temperature range for the UC3842BN? A: The operating temperature range is 0°C to 70°C (TJ).

Q: Is the UC3842BN ROHS compliant? A: Yes, the UC3842BN is ROHS3 compliant.

Q: What is the switching frequency range for the UC3842BN? A: The switching frequency range is up to 500kHz.

Q: What is the quiescent current for the UC3842BN? A: The quiescent current is 12mA.

Q: What is the output voltage range for the UC3842BN? A: The output voltage range is 5.1V.

Q: What is the output current range for the UC3842BN? A: The output current range is 200mA.

Q: What is the control technique used by the UC3842BN? A: The control technique used by the UC3842BN is pulse-width modulation (PWM).

Q: What is the control mode used by the UC3842BN? A: The control mode used by the UC3842BN is current-mode.

Q: What is the ECCN code for the UC3842BN? A: The ECCN code for the UC3842BN is EAR99.

Q: What is the JESD-609 code for the UC3842BN? A: The JESD-609 code for the UC3842BN is e3.

Q: What is the factory lead time for the UC3842BN? A: The factory lead time for the UC3842BN is 14 weeks.

Q: What is the lifecycle status of the UC3842BN? A: The lifecycle status of the UC3842BN is ACTIVE, with the last update being 7 months ago.

UC3842BN Documents

Download datasheets and manufacturer documentation for UC3842BN

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