Manufacturer Part Number
L7985ATR
Manufacturer
STMicroelectronics
Introduction
The L7985ATR is a step-down (buck) voltage regulator, providing adjustable output from an input range of 4.5V to 38V.
Product Features and Performance
Adjustable output voltage from 0.6V to 38V
Single output with 2A current capacity
Frequency switching from 250kHz to 1MHz
Operates without a synchronous rectifier
High temperature range from -40°C to 150°C
Surface mount 8-SOIC package with exposed pad for better heat dissipation
Product Advantages
Wide input voltage range suitable for various applications
Adjustable output voltage for increased flexibility
High-temperature operational range accommodates challenging environments
Integrated protection features ensure reliability and longevity
Key Technical Parameters
Input Voltage (Min): 4.5V
Input Voltage (Max): 38V
Output Voltage (Min/Adjustable): 0.6V
Output Voltage (Max): 38V
Current - Output: 2A
Frequency - Switching: 250kHz to 1MHz
Operating Temperature: -40°C to 150°C (TJ)
Quality and Safety Features
Operational in wide temperature range
Built-in protection circuits
Compatibility
Compatible with surface-mount technology (SMT)
Suitable for 8-HSOP package integration
Application Areas
Power management for consumer electronics
Embedded systems
Telecommunications
Automotive applications
Product Lifecycle
Active status, not nearing discontinuation
Options available for replacements or upgrades
Several Key Reasons to Choose This Product
Highly versatile with a wide input voltage range
Operational under wide temperature ranges, suitable for harsh environments
Adjustable output ensures compatibility across multiple applications
High switching frequency enables compact passive components
Non-synchronous operation removes the need for an additional external diode
The exposed pad SOIC package helps in thermal management for reliability