Technical Summary: 09 50DL Component

Overview

The 09 50DL is a high-performance monolithic integrated circuit designed for temperature sensing and power management applications. It combines a vertical power DMOS output stage with advanced protection features, making it suitable for demanding industrial and automotive environments. The device offers low on-state resistance and robust overload protection, ensuring reliable operation under varying load conditions.

Engineered for precision and durability, the 09 50DL integrates multiple functions into a single package, reducing board space and simplifying system design. Its monolithic construction ensures consistent performance across temperature ranges, while the DMOS output stage provides efficient power handling.

Features

• Vertical Power DMOS Output Stage: Enables high-current handling with minimal power dissipation.
• Low On-State Resistance: Reduces conduction losses and improves overall efficiency.
• Overload Protection: Built-in safeguards against excessive current and thermal stress.
• Monolithic Temperature Sensing: Integrated temperature monitoring for system protection.
• Wide Operating Voltage Range: Compatible with various power supply configurations.
• Compact Design: Single-chip solution minimizes external component requirements.
• Robust Construction: Designed for reliability in harsh environments.

Applications

The 09 50DL is versatile and finds use in multiple industries due to its robust design and advanced features:

• Industrial Automation: Motor control, power distribution systems, and overload protection circuits.
• Automotive Electronics: Engine control units, battery management systems, and LED driver circuits.
• Power Supplies: Switching regulators, DC-DC converters, and voltage regulation modules.
• Consumer Electronics: Smart home devices, power management in appliances, and portable electronics.
• Telecommunications: Base station power systems and network equipment protection.

Electrical Characteristics

The following table summarizes the key electrical parameters of the 09 50DL:

Absolute Maximum Ratings

• Supply Voltage (V_CC): 40V
• Output Current (I_OUT): 5A (continuous), 10A (peak)
• Operating Temperature Range: -40°C to +125°C
• Storage Temperature Range: -55°C to +150°C
• Power Dissipation (P_D): 2.5W (at 25°C ambient)

Typical Electrical Performance

• On-State Resistance (R_DS(ON)): 50mΩ (typical) at 25°C
• Threshold Voltage (V_GS(th)): 2.0V to 3.0V
• Quiescent Current (I_Q): 1.5mA (typical) at no load
• Overload Response Time: <10μs
• Temperature Sensing Accuracy: ±2°C (over operating range)

Package Information

The 09 50DL is available in a compact, surface-mount package designed for optimal thermal performance and ease of assembly.

Package Dimensions

• Package Type: TO-252-5L (DPAK)
• Dimensions: 6.5mm x 6.2mm x 2.3mm (L x W x H)
• Lead Pitch: 1.27mm
• Termination: Solderable leads with tin plating

Thermal Characteristics

• Thermal Resistance (Junction-to-Ambient): 50°C/W
• Thermal Resistance (Junction-to-Case): 5°C/W
• Maximum Junction Temperature: 150°C

Functional Description

The 09 50DL integrates a vertical DMOS power transistor with control logic and protection circuitry. The DMOS output stage provides efficient switching and current handling, while the integrated temperature sensor monitors junction temperature for thermal protection. The device includes built-in overload detection that automatically limits current during fault conditions.

When enabled, the output stage activates with low R_DS(ON), minimizing voltage drop across the device. The control circuitry continuously monitors operating parameters and will initiate shutdown if safe operating limits are exceeded. This comprehensive protection scheme ensures long-term reliability in demanding applications.

Design Considerations

Layout Guidelines

• Use wide PCB traces for high-current paths to minimize resistance and inductance.
• Place decoupling capacitors close to the V_CC pin to reduce noise.
• Ensure adequate copper area for heat dissipation, especially when operating at high currents.
• Keep sensitive control signals away from high-current switching paths.

Thermal Management

• For continuous high-current operation, consider using a heatsink or thermal via array.
• Monitor junction temperature in critical applications using the integrated sensor.
• Allow sufficient air flow around the component in enclosed designs.

Ordering Information

The 09 50DL is available in standard and industrial temperature grades:

• 09 50DL-1: Standard grade (-40°C to +85°C)
• 09 50DL-2: Industrial grade (-40°C to +125°C)
• Packaging Options: Tape and reel (3000 units per reel) or tube (50 units per tube)