The Texas Instruments LM338K is a 5 A adjustable regulator in a TO-3 package with an output range of 1.2 V to 32 V. Its high current capability and internal protection suit high-current supplies and industrial equipment.
Key Specifications
| Manufacturer | Texas Instruments |
| Exact Manufacturer Part Number | LM338K |
| Product Category | Power Management – Voltage Regulators |
| Series / Family | LM338 |
| Package / Case | TO-3 |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C to +125°C |
| Power Supply | 3 V to 40 V (adj 1.2 V to 32 V out) |
| Output Current | 5 A |
| Output Voltage | Adjustable 1.2 V to 32 V |
| Dropout | Low |
| Internal | Thermal + current limiting |
| Lifecycle Status | Active |
| Official Documentation | View official documentation |
Key Features
- 5 A adjustable regulator
- Output from 1.2 V to 32 V
- High output current
- Internal protection
- TO-3 metal package
- Guaranteed 5 A output
Applications
- High-current supplies
- Motor control
- Industrial equipment
- Battery charging
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
How much current can the LM338 supply?
It provides up to 5 A with an adjustable 1.2 V to 32 V output.
What package does it use?
It uses a TO-3 metal-can package for heat dissipation.