Manufacturer Part Number
ST890DTR
Manufacturer
stmicroelectronics
Introduction
The ST890DTR is a high-performance power distribution switch designed for power management applications. It functions primarily to control power supply to connected devices, ensuring efficient operation.
Product Features and Performance
Single output high side power distribution switch.
P-channel output type which enhances device efficiency.
Operating voltage ranges from 2.7V to 5.5V, making it suitable for low power applications.
Maximum output current capacity of 1.2A.
Low Rds (on) typically at 75mOhm, ensuring lower voltage drop and power dissipation.
Product Advantages
Supports adjustable current limiting and over-temperature protection for enhanced safety and reliability.
Surface Mount technology facilitates compact and reliable integration into designs.
No need for external voltage supply (Vcc/Vdd) for the operation.
Key Technical Parameters
Number of Outputs: 1
Voltage - Load: 2.7V ~ 5.5V
Current - Output (Max): 1.2A
Rds On (Typ): 75mOhm
Fault Protection: Current Limiting (Adjustable), Over Temperature
Quality and Safety Features
Built-in fault protection against current overload and overheating.
Operational temperature range from -40°C to 85°C, ensuring reliability under various environmental conditions.
Compatibility
Designed for use with a variety of load types due to its versatile high-voltage range and P-channel output.
Application Areas
Ideal for application in mobile and portable devices, including smartphones, tablets, and other compact electronic devices requiring power management.
Product Lifecycle
The product status is active, indicating continuous manufacturing and availability. No information on discontinuation or replacements is specified, suggesting long-term availability.
Several Key Reasons to Choose This Product
Efficient power management with high side configuration.
Low resistance and energy-efficient operation.
Robust safety features including adjustable current limiting and temperature protection.
Versatile compatibility and ease of integration into various electronic devices.
Reliable performance over a wide range of operational temperatures.
Optimized for portable and low voltage applications.