onsemi

KA7500B

KA7500B Description

The KA7500B is a transistor driver designed for DC-DC switching controllers, specifically tailored for buck topology applications. Manufactured by onsemi, this component is housed in a through-hole package, making it suitable for a variety of industrial and commercial applications. The KA7500B operates within a supply voltage range of 7V to 42V and supports a switching frequency from 1kHz to 300kHz. It features a positive output configuration and includes a synchronous rectifier, enhancing its efficiency and performance. Despite being marked as obsolete, the KA7500B remains a reliable choice for applications requiring robust and efficient power conversion.

KA7500B Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Product Status: Obsolete
• Frequency - Switching: 1kHz to 300kHz
• REACH Status: REACH Unaffected
• Manufacturer: onsemi
• Voltage - Supply (Vcc/Vdd): 7V to 42V
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Operating Temperature: 0°C to 70°C (TA)
• Synchronous Rectifier: Yes
• ECCN: EAR99
• Topology: Buck
• Mounting Type: Through Hole
• Clock Sync: No
• Number of Outputs: 1
• Control Features: Dead Time Control
• Duty Cycle (Max): 45%
• Output Phases: 1
• HTSUS: 8542.39.0001
• Package: Tube
• Base Product Number: KA7500

KA7500B Applications

The KA7500B is ideal for applications requiring efficient power conversion in a compact form factor. Its buck topology and synchronous rectifier make it particularly suitable for:

• Power Supplies: Efficiently converting higher input voltages to lower output voltages, ideal for powering electronic devices.
• Industrial Equipment: Robust and reliable power conversion for industrial applications that demand high efficiency and low heat generation.
• Telecommunications: Providing stable power supply for telecom equipment, ensuring reliable operation within specified voltage ranges.
• Consumer Electronics: Suitable for devices that require efficient power management, such as routers, modems, and other small appliances.

Conclusion of KA7500B

The KA7500B, despite its obsolete status, remains a valuable component for applications requiring efficient power conversion. Its wide operating voltage range, high switching frequency, and synchronous rectifier ensure high efficiency and performance. The through-hole mounting type and robust package make it suitable for a variety of industrial and commercial applications. While newer alternatives may offer additional features, the KA7500B continues to provide reliable performance for applications where its specific features are required.