03 50X - Vertical Power DMOS Switch

Overview

The 03 50X is a monolithic temperature and power management component designed for high-efficiency switching applications. This device integrates a vertical power DMOS switch with low on-state resistance, making it ideal for power control in various electronic systems. The component is compatible with 5V logic inputs, ensuring easy integration with modern microcontroller-based systems.

Features

• Vertical Power DMOS Switch: Provides efficient power handling with minimal losses.
• Low On-State Resistance: Reduces power dissipation and improves overall system efficiency.
• 5V Logic Compatible Input: Easily interfaces with standard microcontroller and digital logic circuits.
• Monolithic Temperature Integration: Combines temperature sensing and power switching in a single package for compact designs.
• High Reliability: Designed for robust performance in demanding environments.
• Fast Switching Speed: Enables high-frequency operation for dynamic power control applications.

Applications

The 03 50X is suitable for a wide range of applications, including but not limited to:

• Power Management Systems: Efficient control of power distribution in electronic devices.
• Motor Control: Switching and driving motors in automotive, industrial, and consumer applications.
• DC-DC Converters: High-efficiency voltage conversion in power supplies.
• Load Switching: Control of high-current loads in industrial and automotive systems.
• Battery Management: Protection and switching in battery-powered devices.
• Temperature-Sensitive Systems: Integration into systems requiring combined temperature sensing and power control.

Electrical Characteristics

The following table summarizes the key electrical characteristics of the 03 50X under typical operating conditions unless otherwise specified.

Absolute Maximum Ratings

• Supply Voltage (V_DD): 5.5V
• Input Voltage (V_IN): -0.3V to V_DD + 0.3V
• Output Current (I_OUT): 3A (continuous), 5A (peak)
• Operating Temperature Range (T_OP): -40°C to +125°C
• Storage Temperature Range (T_STG): -55°C to +150°C

Recommended Operating Conditions

• Supply Voltage (V_DD): 3.0V to 5.5V
• Input Voltage (V_IN): 0V to V_DD
• Output Current (I_OUT): Up to 3A
• Operating Temperature Range (T_OP): -40°C to +85°C

Electrical Specifications

• On-State Resistance (R_DS(ON)): 50mΩ (typical) at V_DD = 5V, I_OUT = 1A
• Input Threshold Voltage (V_TH): 2.0V (typical)
• Quiescent Current (I_DD): 10µA (typical) at V_DD = 5V, no load
• Switching Time (t_ON/t_OFF): 100ns/150ns (typical)
• Temperature Accuracy: ±1°C (typical) over operating temperature range

Package Information

The 03 50X is available in a compact, surface-mount package designed for high thermal performance and ease of assembly. The following details outline the package specifications:

Package Dimensions

• Package Type: SOIC-8 (Small Outline Integrated Circuit)
• Body Size: 4.9mm x 3.9mm
• Height: 1.75mm (max)
• Lead Pitch: 1.27mm

Thermal Characteristics

• Thermal Resistance (θ_JA): 60°C/W (typical)
• Maximum Power Dissipation (P_D): 1.5W at 25°C ambient temperature

Pin Configuration

• Pin 1: Input Control (IN)
• Pin 2: Ground (GND)
• Pin 3: Output (OUT)
• Pin 4: No Connection (NC)
• Pin 5: Temperature Sense Output (TEMP)
• Pin 6: Supply Voltage (V_DD)
• Pin 7: No Connection (NC)
• Pin 8: No Connection (NC)

Conclusion

The 03 50X is a versatile and efficient vertical power DMOS switch with integrated temperature sensing capabilities. Its low on-state resistance, 5V logic compatibility, and compact package make it an excellent choice for a wide range of power management and control applications. Whether used in motor control, DC-DC converters, or battery management systems, the 03 50X delivers reliable performance and high efficiency.