UC3844BD1G
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- Mfr.Part #
- UC3844BD1G
- Manufacturer
- onsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8-SOIC
- Stock
- 568
- In Stock ：
- 568
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Output Current :
- 200mA
- Factory Lead Time :
- 2 Weeks
- Rise Time :
- 50ns
- Base Part Number :
- UC384*B
- Peak Reflow Temperature (Cel) :
- 260
- Number of Terminations :
- 8
- Output Type :
- Transistor Driver
- Control Technique :
- PULSE WIDTH MODULATION
- Frequency :
- 52kHz
- Width :
- 4mm
- REACH SVHC :
- No SVHC
- Fall Time (Typ) :
- 50 ns
- RoHS Status :
- ROHS3 Compliant
- Pbfree Code :
- yes
- Published :
- 1999
- Number of Outputs :
- 1
- Input Voltage (Max) :
- 25V
- Control Mode :
- CURRENT-MODE
- Switcher Configuration :
- Single
- Current Rating :
- 3A
- Topology :
- Boost, Flyback
- Mount :
- Surface Mount
- Length :
- 5mm
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Packaging :
- Tube
- Power Dissipation :
- 702mW
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Position :
- Dual
- Max Duty Cycle :
- 48 %
- Control Features :
- Frequency Control
- JESD-609 Code :
- e3
- Terminal Form :
- Gull wing
- Number of Pins :
- 8
- Output Voltage :
- 13.4V
- Input Voltage-Nom :
- 15V
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Input Bias Current :
- -2μA
- Frequency - Switching :
- Up to 500kHz
- Height :
- 1.5mm
- Power Rating :
- 702mW
- ECCN Code :
- EAR99
- Operating Temperature :
- 0°C~70°C TA
- Synchronous Rectifier :
- No
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Mounting Type :
- Surface Mount
- Terminal Finish :
- Tin (Sn)
- Voltage - Rated DC :
- 40V
- Output Configuration :
- Positive
- Function :
- Step-Up, Step-Up/Step-Down
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Max Supply Current :
- 30mA
- Halogen Free :
- Halogen Free
- Voltage - Supply (Vcc/Vdd) :
- 10V~36V
- Lead Free :
- Lead Free
- Datasheets
- UC3844BD1G
DC DC Switching Controllers onsemi UC3844BD1G Overview
Introducing the UC3844BD1G by onsemi, a high-performance PWM controller tailored for managing DC DC switching power supplies. This device is engineered to enhance system reliability and efficiency, making it ideal for sophisticated power supply applications. The UC3844BD1G integrates features such as a programmable switching frequency and a wide input voltage range, which are essential for a broad spectrum of power management tasks. With its precision voltage reference and error amplifier, this controller ensures stable and efficient operation, promoting extended product life and enhanced performance. Utilize the DC DC Switching Controllers onsemi UC3844BD1G for your demanding power conversion challenges.
UC3844BD1G Features
- Programmable switching frequency up to 500 kHz.
- High current totem pole output for directly driving a power MOSFET.
- Wide operating voltage range from 12 V to 25 V.
- Low startup current of 0.5 mA and operating current of 8.5 mA, enhancing system efficiency.
- Built-in undervoltage lockout with hysteresis.
- Precision reference trimmed to 5% over temperature variations.
UC3844BD1G Applications
- Power Supplies for Desktops: Controls the switching power supply, ensuring stable and efficient energy conversion.
- Telecommunication Equipment: Provides reliable power management for equipment requiring consistent operation.
- DC-DC Converters: Utilized in creating multiple DC outputs from a single DC input, crucial for multi-voltage electronics.
- Battery Chargers: Manages charging algorithms to maximize battery efficiency and lifespan.
- Servers: Ensures robust and efficient power supply operations, crucial for server reliability and performance.
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