Overview
The LM2595SX-ADJ/NOPB is a monolithic integrated circuit from Texas Instruments, designed as a step-down (buck) switching regulator. This device is part of the LM2595 series and is available in an adjustable output version, allowing for a wide range of output voltages. It is capable of driving a 1-A load with excellent line and load regulation, making it a versatile component for various power supply applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | TO-263 (KTT), 5 pins |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 4.5 V to 40 V |
| Output Voltage Range | 1.2 V to 37 V (adjustable) |
| Output Current | 1 A |
| Switching Frequency | 150 kHz |
| Standby Current | Typically 85 µA |
| Protection Features | Thermal shutdown, current-limit protection |
Key Features
- Adjustable output voltage range from 1.2 V to 37 V ±4% maximum over line and load conditions
- Available in TO-220 and TO-263 surface-mount packages
- Ensured 1-A output load current
- Input voltage range up to 40 V
- Requires only 4 external components
- Excellent line and load regulation specifications
- 150-kHz fixed-frequency internal oscillator
- TTL shutdown capability
- Low power standby mode
- High efficiency
- Uses readily available standard inductors
- Thermal shutdown and current-limit protection
Applications
The LM2595SX-ADJ/NOPB is suitable for a wide range of applications requiring efficient and reliable step-down voltage regulation. These include:
- Power supplies for electronic devices
- Industrial control systems
- Automotive systems
- Telecommunication equipment
- Consumer electronics
Q & A
- What is the output voltage range of the LM2595SX-ADJ/NOPB?
The output voltage range is adjustable from 1.2 V to 37 V. - What is the maximum output current of the LM2595SX-ADJ/NOPB?
The maximum output current is 1 A. - What is the input voltage range of the LM2595SX-ADJ/NOPB?
The input voltage range is from 4.5 V to 40 V. - What is the switching frequency of the LM2595SX-ADJ/NOPB?
The switching frequency is 150 kHz. - Does the LM2595SX-ADJ/NOPB have built-in protection features?
Yes, it includes thermal shutdown and current-limit protection. - What package types are available for the LM2595SX-ADJ/NOPB?
It is available in TO-220 and TO-263 surface-mount packages. - How many external components are required for the LM2595SX-ADJ/NOPB?
Only 4 external components are required. - What is the standby current of the LM2595SX-ADJ/NOPB?
The standby current is typically 85 µA. - Is the LM2595SX-ADJ/NOPB suitable for high-temperature environments?
It operates within a temperature range of -40°C to 125°C. - Can the LM2595SX-ADJ/NOPB be used in automotive systems?
Yes, it is suitable for automotive systems due to its robust design and wide input voltage range.
