Texas Instruments LM138K STEEL/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $126.11 | $126.11 |
| 15+ | $122.13 | $1,831.95 |
| 25+ | $119.48 | $2,987.00 |
| 50+ | $112.84 | $5,642.00 |
| 100+ | $99.56 | $9,956.00 |
| N+ | $19.91 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tray | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 32V |
| Voltage Dropout (Max) | - |
| Current - Output | 5A |
| Current - Quiescent (Iq) | - |
| Current - Supply (Max) | - |
| PSRR | 75dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature |
| Operating Temperature | -55°C ~ 150°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-204AA, TO-3 |
| Supplier Device Package | TO-3-2 |
| ROHS |  |
The LM138K STEEL/NOPB from Texas Instruments is a robust 5A linear regulator delivering a fixed 32V output. Housed in a thermally efficient TO-3-2 package, it provides excellent power handling for demanding applications. With 75dB PSRR at 120Hz, it effectively suppresses ripple, making it suitable for noise-sensitive designs. Its high current capability and reliable performance make it a solid choice for industrial and audio power supplies.
- High Current Capacity: Delivers up to 5A, supporting power-hungry loads without external pass transistors.
- Excellent Ripple Rejection: 75dB PSRR at 120Hz ensures clean output for sensitive analog circuits.
- Robust Thermal Package: TO-3-2 metal can package provides superior heat dissipation for reliable high-power operation.
- Fixed 32V Output: Simplifies design with a precise, stable output voltage for dedicated rails.
High-Current Industrial Power Supplies
The LM138K's 5A output capability makes it ideal for powering industrial control systems, motor drivers, and high-power actuators that require a stable 32V rail.
Audio Amplifier Power Stages
With 75dB PSRR at 120Hz, this regulator effectively filters mains ripple, providing clean DC power for high-fidelity audio amplifier stages.
Test & Measurement Equipment
Precision lab instruments benefit from the LM138K's robust current delivery and low noise characteristics, ensuring accurate readings in sensitive measurement circuits.
Telecom Base Station Power
Base station transceivers require reliable 32V supplies; the LM138K's TO-3 package offers excellent thermal performance for continuous high-current operation.
Battery Charging Systems
For lead-acid or lithium battery stacks requiring a 32V charge source, this LDO provides a simple, low-noise solution with high current headroom.
HVAC Control Boards
Heating, ventilation, and air conditioning systems use 32V rails for valve actuators; the LM138K ensures stable operation despite line fluctuations.
- Q: What is the output voltage of the LM138K STEEL/NOPB?
- A: The LM138K STEEL/NOPB provides a fixed output voltage of 32V.
- Q: What is the maximum output current?
- A: This LDO regulator can deliver up to 5A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.2V up to the maximum rated input (refer to datasheet for absolute maximums).
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided technical data.
- Q: What is the quiescent current?
- A: Quiescent current is not specified in the provided technical data.
- Q: What package is the LM138K available in?
- A: It is available in the TO-3-2 package.
LM138K STEEL/NOPB.pdf
- Q: What is the output voltage of the LM138K STEEL/NOPB?
- A: The LM138K STEEL/NOPB provides a fixed output voltage of 32V.
- Q: What is the maximum output current?
- A: This LDO regulator can deliver up to 5A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.2V up to the maximum rated input (refer to datasheet for absolute maximums).
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided technical data.
- Q: What is the quiescent current?
- A: Quiescent current is not specified in the provided technical data.
- Q: What package is the LM138K available in?
- A: It is available in the TO-3-2 package.
