STMicroelectronics

VN330SP

VN330SP Description

The VN330SP from STMicroelectronics is a high-side power distribution switch and load driver designed for general-purpose applications. This obsolete yet robust IC integrates four N-channel MOSFET outputs in a 1:1 input-to-output ratio, supporting load voltages from 10V to 36V with a maximum output current of 700mA per channel. Its surface-mount PWRSO10 package ensures compact integration, while the Rds(on) of 320mΩ (max) minimizes power dissipation. The device operates without an external supply voltage, simplifying system design.

VN330SP Features

• High-Side Configuration: Enables direct control of loads connected to the positive rail.
• Integrated Protections: Includes fixed current limiting and over-temperature shutdown for enhanced reliability.
• Status Flag: Provides diagnostic feedback for fault conditions.
• Low Power Loss: Optimized Rds(on) ensures efficient switching.
• RoHS3 & REACH Compliant: Meets environmental and regulatory standards.
• On/Off Interface: Simple control logic for easy integration.

VN330SP Applications

Ideal for automotive, industrial, and consumer electronics, the VN330SP excels in:

• Load Switching: Driving relays, LEDs, or small motors in 12V/24V systems.
• Power Distribution: Managing multiple loads in battery-powered devices.
• Protection Circuits: Safeguarding sensitive components with built-in current and thermal limits.
• Obsolete System Maintenance: Suitable for legacy designs requiring drop-in replacements.

Conclusion of VN330SP

While marked as obsolete, the VN330SP remains a reliable choice for high-side load driving with its low Rds(on), integrated protections, and compact form factor. Its 4-channel design and wide voltage range make it versatile for legacy or niche applications where robustness and simplicity are prioritized. Engineers seeking a cost-effective, compliant solution for moderate-current switching will find value in its feature set.