Texas Instruments

TL3842D  

DC DC Switching Controllers

TL3842D Description

The TL3842D is a transistor driver IC designed for power management applications, specifically tailored for boost, flyback, and forward converter topologies. Manufactured by Texas Instruments, this obsolete device offers a versatile solution for a range of power conversion needs. The TL3842D operates within a supply voltage range of 10V to 30V and can handle switching frequencies up to 500kHz, making it suitable for high-efficiency power supply designs. With a maximum duty cycle of 97%, it ensures optimal performance in various power management scenarios. The device is housed in a surface-mount package, specifically a tube, and is compliant with RoHS3 and REACH regulations, ensuring environmental safety. The TL3842D operates within a temperature range of 0°C to 70°C (TA) and has a moisture sensitivity level (MSL) of 2 (1 year), making it suitable for a variety of industrial environments.

TL3842D Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: Up to 500kHz
• Voltage - Supply (Vcc/Vdd): 10V ~ 30V
• Operating Temperature: 0°C ~ 70°C (TA)
• Moisture Sensitivity Level (MSL): 2 (1 Year)
• Control Features: Frequency Control
• Duty Cycle (Max): 97%
• Output Phases: 1
• Package: Tube
• Base Product Number: TL3842
• Compliance: ROHS3 Compliant, REACH Unaffected

The TL3842D stands out with its ability to support multiple topologies, including boost, flyback, and forward converters, providing flexibility in power management designs. Its high maximum duty cycle of 97% ensures efficient power transfer, making it ideal for applications requiring high efficiency. The device also benefits from a wide operating temperature range, enhancing its reliability in various environmental conditions.

TL3842D Applications

The TL3842D is well-suited for a variety of applications where efficient power conversion is critical. Its support for boost, flyback, and forward converter topologies makes it ideal for:

• Switching Power Supplies: The TL3842D's ability to handle high switching frequencies up to 500kHz allows for compact and efficient power supply designs.
• DC-DC Converters: Its wide supply voltage range and high duty cycle make it suitable for high-efficiency DC-DC conversion applications.
• Industrial Power Management: The device's robustness and compliance with environmental regulations make it a reliable choice for industrial power management systems.

Conclusion of TL3842D

The TL3842D, despite being an obsolete model, remains a valuable component in the power management domain. Its versatile topology support, high switching frequency, and wide supply voltage range make it a reliable choice for various power conversion applications. The device's compliance with environmental regulations and its robust operating temperature range further enhance its appeal. While newer models may offer additional features, the TL3842D continues to provide a cost-effective and efficient solution for power management needs.

TL3842D Documents

Download datasheets and manufacturer documentation for TL3842D

Datasheets :

TL284x, TL384x