UC3842BD1
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- Mfr.Part #
- UC3842BD1
- Manufacturer
- onsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BST FLYBK ISO 8SOIC
- Stock
- 31
- In Stock ：
- 31
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Peak Reflow Temperature (Cel) :
- 260
- Topology :
- Boost, Flyback
- Control Features :
- Frequency Control
- Rise Time :
- 50ns
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Width :
- 3.9mm
- Base Part Number :
- UC3842
- Frequency - Switching :
- Up to 500kHz
- Factory Lead Time :
- 10 Weeks
- Frequency :
- 500kHz
- Input Voltage-Nom :
- 15V
- Function :
- Step-Up, Step-Up/Step-Down
- RoHS Status :
- ROHS3 Compliant
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Type :
- Transistor Driver
- Mount :
- Surface Mount
- Output Current :
- 1A
- Synchronous Rectifier :
- No
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Control Mode :
- CURRENT-MODE
- Fall Time (Typ) :
- 50 ns
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Pins :
- 8
- Packaging :
- Tube
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Switcher Configuration :
- Single
- Output Voltage :
- 5.1V
- Duty Cycle (Max) :
- 96%
- Length :
- 4.9mm
- Number of Outputs :
- 1
- Max Duty Cycle :
- 100 %
- Mounting Type :
- Surface Mount
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Terminal Position :
- Dual
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- JESD-609 Code :
- e4
- Input Voltage (Max) :
- 30V
- ECCN Code :
- EAR99
- Terminal Form :
- Gull wing
- Number of Terminations :
- 8
- Operating Temperature :
- 0°C~70°C TJ
- Output Configuration :
- Positive
- Datasheets
- UC3842BD1
DC DC Switching Controllers onsemi UC3842BD1 Overview
The onsemi UC3842BD1 is a robust DC DC switching controller designed to handle a wide range of power supply applications. This controller is optimized for boost and flyback topologies and integrates features that enhance system reliability and efficiency. Its ability to operate under isolated conditions makes it a prime choice for developing advanced power solutions. The UC3842BD1 is engineered to deliver precise control, making it an essential component for power management solutions that require tight regulation and high efficiency. Its compact 8SOIC package ensures ease of integration into various design architectures, particularly appealing to B2B clients seeking versatile, high-performance components for volume applications.
UC3842BD1 Features
The UC3842BD1 includes several key features that make it a standout option for power control applications. It offers a wide operating voltage range and high-frequency operation which minimizes the size of necessary external components. Additionally, its built-in under-voltage lockout ensures stability and safety in operation. The device also provides a totem-pole output stage with high-state clamp, which is crucial for driving power MOSFETs directly and efficiently.
UC3842BD1 Applications
- Power Supply Units: Utilizes its boost and flyback controller capabilities to efficiently convert and manage power in computer servers and telecom infrastructures.
- LED Drivers: The device can be configured to provide stable current for driving high-power LEDs in lighting applications, ensuring consistent brightness and long lifespan.
- Battery Chargers: Applies its precise control features to manage the charging process for battery-powered devices, enhancing safety and extending battery health.
- Consumer Electronics: Supports various consumer electronics by providing reliable power management solutions that optimize efficiency and reduce energy consumption.
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