E-UC3845BN
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- Mfr.Part #
- E-UC3845BN
- Manufacturer
- STMicroelectronics
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR BST/FLYBK 8-MINIDIP
- Stock
- 48,822
- In Stock ：
- 48,822
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- Manufacturer :
- STMicroelectronics
- Product Category :
- DC DC Switching Controllers
- Number of Pins :
- 8
- Terminal Position :
- Dual
- ECCN Code :
- EAR99
- Lead Free :
- Lead Free
- RoHS Status :
- ROHS3 Compliant
- Fall Time (Typ) :
- 50 ns
- Mounting Type :
- Through Hole
- Rise Time :
- 50ns
- Output Current :
- 200mA
- REACH SVHC :
- No SVHC
- Control Mode :
- CURRENT-MODE
- Output Configuration :
- Positive, Isolation Capable
- Topology :
- Boost, Flyback
- Frequency :
- 250kHz
- Operating Supply Voltage :
- 30V
- Base Part Number :
- UC3845
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Terminal Pitch :
- 2.54mm
- Nominal Input Voltage :
- 15V
- Output Type :
- Transistor Driver
- Width :
- 7.62mm
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Function :
- Step-Up/Step-Down
- Input Voltage-Nom :
- 15V
- Power Dissipation :
- 1.25W
- Frequency - Switching :
- Up to 500kHz
- Packaging :
- Tube
- Output Voltage :
- 5V
- Duty Cycle (Max) :
- 48%
- Control Features :
- Frequency Control
- Switcher Configuration :
- Single
- Number of Outputs :
- 1
- Operating Temperature :
- 0°C~70°C TA
- Synchronous Rectifier :
- No
- Mount :
- Through Hole
- Max Duty Cycle :
- 50 %
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Terminations :
- 8
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Datasheets
- E-UC3845BN
DC DC Switching Controllers STMicroelectronics E-UC3845BN Overview
The STMicroelectronics E-UC3845BN is a high-performance integrated circuit specifically designed for the management of DC-DC switching power supplies. This controller supports both boost and flyback converter topologies, making it extremely versatile for a wide range of power supply applications. Its robust design is optimized for minimal external component count, leading to reduced system costs and enhanced reliability. The E-UC3845BN excels in applications requiring efficient power management and precise control, encapsulated in a compact 8-pin MINIDIP package, ensuring ease of integration into existing and new systems.
E-UC3845BN Features
The E-UC3845BN offers several distinctive features that enhance its suitability for sophisticated power supply schemes. These include programmable switching frequencies up to 500 kHz, a high current totem-pole output ideally suited for driving a power MOSFET, and built-in under-voltage lockout for improved safety and reliability. Additionally, its enhanced line regulation and double-pulse suppression add to its stable performance under varying load conditions.
E-UC3845BN Applications
- Power Supplies for Consumer Electronics: Utilized in televisions, audio equipment, and home appliances, where it ensures efficient power conversion and stable operation.
- Telecommunications Equipment: Powers routers, switches, and base stations, providing reliable operation with enhanced power efficiency.
- Computer Applications: Used in power supplies for desktops and servers, enhancing power management for better system performance and energy savings.
- Battery Chargers: Ideal for high-efficiency, fast-charging applications, accommodating the rigorous demands of modern rechargeable batteries.
- LED Lighting: Drives LED arrays for both residential and commercial lighting systems, ensuring optimal efficiency and light output control.
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