Texas Instruments

TL3845PE4  

DC DC Switching Controllers

TL3845PE4 Description

The TL3845PE4 is an economy single-ended 500kHz current mode DC-DC switching controller designed by Texas Instruments. This device is optimized for high efficiency and performance in various power conversion applications. It features a transistor driver output configuration with a positive output type, making it suitable for driving external power transistors. The TL3845PE4 operates within a supply voltage range of 7.6V to 30V, ensuring compatibility with a wide range of input power sources. Its switching frequency is set at 500kHz, which allows for the use of smaller inductors and capacitors, thereby reducing the overall size and cost of the power supply design.

TL3845PE4 Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 500kHz
• Voltage - Supply (Vcc/Vdd): 7.6V ~ 30V
• Operating Temperature: 0°C ~ 70°C (TA)
• Number of Outputs: 1
• Control Features: Frequency Control
• Duty Cycle (Max): 48%
• Output Phases: 1
• Topology: Boost, Flyback, Forward
• Mounting Type: Through Hole
• Package: Tube
• Product Status: Active
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): Not Applicable
• ECCN: EAR99
• HTSUS: 8542.39.0001

The TL3845PE4 stands out due to its robust design and compliance with industry standards such as REACH and RoHS3. Its through-hole mounting type ensures secure and reliable installation in various electronic systems. The device's ability to operate in boost, flyback, and forward topologies makes it versatile for different power conversion needs.

TL3845PE4 Applications

The TL3845PE4 is ideal for applications requiring efficient power conversion and compact design. Its 500kHz switching frequency and current mode control make it suitable for:

• Adaptive Voltage Controllers: Where dynamic voltage adjustments are required to optimize power consumption.
• DC-DC Converters: In systems needing efficient voltage conversion with minimal footprint.
• Power Supplies: For applications such as telecommunications, industrial equipment, and consumer electronics where reliability and efficiency are paramount.
• Battery Chargers: Ensuring efficient and safe charging of various battery types.

Conclusion of TL3845PE4

The TL3845PE4 from Texas Instruments is a highly efficient and versatile DC-DC switching controller designed to meet the demands of modern power conversion applications. Its 500kHz switching frequency, wide supply voltage range, and compatibility with various topologies make it a reliable choice for engineers looking to optimize power efficiency and system performance. The device's compliance with industry standards and its robust through-hole mounting type further enhance its appeal. Whether used in adaptive voltage controllers, DC-DC converters, or power supplies, the TL3845PE4 offers a cost-effective and reliable solution for power conversion needs.

TL3845PE4 Documents

Download datasheets and manufacturer documentation for TL3845PE4

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification 2024-11-05 (PDF)      

Models :

TL3845PE4 Symbol & Footprint by SnapMagic