UC3845BD1R2
- Mfr.Part #
- UC3845BD1R2
- Manufacturer
- onsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BOOST/FLYBACK 8SOIC
- Stock
- 1,954
- In Stock :
- 1,954
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Halogen Free :
- Halogen Free
- Terminal Position :
- Dual
- Published :
- 1999
- Control Features :
- Frequency Control
- Frequency - Switching :
- 500kHz
- Factory Lead Time :
- 11 Weeks
- Length :
- 5mm
- Frequency :
- 250kHz
- Peak Reflow Temperature (Cel) :
- 260
- Output Current :
- 12mA
- Max Duty Cycle :
- 48 %
- Height :
- 1.5mm
- Input Voltage (Max) :
- 25V
- Number of Terminations :
- 8
- Mounting Type :
- Surface Mount
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Control Technique :
- PULSE WIDTH MODULATION
- Pbfree Code :
- yes
- Output Type :
- Transistor Driver
- Number of Outputs :
- 1
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Operating Temperature :
- 0°C~70°C TA
- Terminal Form :
- Gull wing
- REACH SVHC :
- No SVHC
- Lead Free :
- Lead Free
- Input Voltage-Nom :
- 15V
- Base Part Number :
- UC384*B
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Output Configuration :
- Positive or Negative, Isolation Capable
- RoHS Status :
- ROHS3 Compliant
- Fall Time (Typ) :
- 50 ns
- Control Mode :
- CURRENT-MODE
- ECCN Code :
- EAR99
- Function :
- Step-Up, Step-Up/Step-Down
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Rise Time :
- 50ns
- Number of Pins :
- 8
- Terminal Finish :
- Tin (Sn)
- JESD-609 Code :
- e3
- Switcher Configuration :
- Single
- Topology :
- Boost, Flyback
- Synchronous Rectifier :
- No
- Output Voltage :
- 13.4V
- Packaging :
- Tape and Reel (TR)
- Max Supply Current :
- 500μA
- Width :
- 4mm
- Mount :
- Surface Mount
- Datasheets
- UC3845BD1R2

DC DC Switching Controllers onsemi UC3845BD1R2 Overview
The UC3845BD1R2 by onsemi is a high-performance integrated circuit specifically designed for controlling DC-DC switching power supplies. This part is a pivotal component in applications requiring efficient boost or flyback control, making it highly suited for advanced power solutions. With its precision voltage reference and onboard oscillator, the UC3845BD1R2 ensures reliable and stable operation in various power conversion applications. The robust design and enhanced features of the DC DC Switching Controllers onsemi UC3845BD1R2 make it ideal for meeting stringent power requirements in commercial and industrial settings, promoting energy efficiency and cost-effectiveness.
UC3845BD1R2 Features
The UC3845BD1R2 offers several key features that enhance its performance in power management applications:
- High Current Totem Pole Output: Provides robust drive capability and efficient switching.
- Wide Bandwidth Error Amplifier: Enables precise control over output voltage for enhanced stability and response.
- Under-Voltage Lockout (UVLO): Ensures the IC operates at safe voltage levels, protecting the system from voltage drops.
- Programmable Oscillator Frequency: Allows customization of the switching frequency to match specific application needs.
- Pulse-by-Pulse Current Limiting: Guards against overcurrent conditions, enhancing system reliability.
UC3845BD1R2 Applications
- Power Supply Modules: Utilizes boost or flyback control for regulated power supply in industrial equipment.
- LED Lighting Systems: Drives LED arrays with stable and efficient power management, suitable for high-intensity lighting applications.
- Battery Chargers: Efficiently manages power in battery charging stations, ensuring optimal charging cycles and longevity.
- Telecommunications Equipment: Provides reliable power conversion for critical telecom infrastructures.
- Consumer Electronics: Supports power requirements for a variety of consumer devices with enhanced power efficiency and safety.
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