The Texas Instruments LM317KCS is a 1.5 A adjustable regulator in a TO-220 package with an output range of 1.2 V to 37 V. Its internal protection and wide range make it a universal building block for general-purpose power supplies.
Key Specifications
| Manufacturer | Texas Instruments |
| Exact Manufacturer Part Number | LM317KCS |
| Product Category | Power Management – Voltage Regulators |
| Series / Family | LM317 |
| Package / Case | TO-220 |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C to +125°C |
| Power Supply | 3 V to 40 V (adj 1.2 V to 37 V out) |
| Output Current | 1.5 A |
| Output Voltage | Adjustable 1.2 V to 37 V |
| Line Regulation | 0.01 %/V |
| Internal | Thermal + current limiting |
| Lifecycle Status | Active |
| Official Documentation | View official documentation |
Key Features
- 1.5 A adjustable regulator
- Output from 1.2 V to 37 V
- Internal thermal and current limiting
- Wide input range
- TO-220 package
- No external components required
Applications
- Bench supplies
- General-purpose regulation
- Post-regulation
- Industrial equipment
Sourcing
Availability, lead time, date code and commercial terms are subject to confirmation at the time of quotation.
Quality
CHIPER sources brand-new, unused components and provides quality inspection, shortage and long lead-time sourcing, and one-stop BOM procurement. Every part is verified before shipment.
FAQ
What output range does the LM317 provide?
It provides an adjustable 1.2 V to 37 V output at up to 1.5 A.
Why is the LM317 so widely used?
Its simplicity, robustness and wide adjustable range make it a universal regulator.