National Semiconductor LM317KSTEEL
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $174.52 | $174.52 |
| 15+ | $40.14 | $602.10 |
| 25+ | $39.27 | $981.75 |
| 50+ | $37.09 | $1,854.50 |
| 100+ | $32.72 | $3,272.00 |
| N+ | $6.54 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Voltage - Output (Max) | 37V |
| Voltage Dropout (Max) | - |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 5 mA |
| Current - Supply (Max) | - |
| PSRR | 80dB ~ 65dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-204AA, TO-3 |
| Supplier Device Package | TO-3-2 |
The LM317KSTEEL is a versatile adjustable linear voltage regulator from National Semiconductor. It delivers up to 1.5A of output current with an output voltage range from 1.25V to 37V. Housed in a rugged TO-3-2 package, it offers excellent ripple rejection of 80dB at 120Hz, ensuring clean power for sensitive electronics. Its low quiescent current of 5mA makes it efficient for battery-powered applications.
- Wide Adjustable Range: Output from 1.25V to 37V provides flexibility for various applications.
- High Current Capacity: 1.5A output supports power-hungry loads.
- Excellent Ripple Rejection: 80dB PSRR at 120Hz ensures clean, stable output.
- Robust Package: TO-3-2 metal can for superior thermal performance and durability.
Adjustable Power Supplies
Use the LM317KSTEEL to build a precision adjustable bench power supply. Its 1.25V to 37V output range and 1.5A current capability make it ideal for prototyping and testing circuits.
Battery Chargers
Configure the regulator as a constant-current source for charging lead-acid or lithium batteries. The adjustable output allows precise voltage setpoints for different battery chemistries.
Audio Equipment Power
With a PSRR of 80dB at 120Hz, this LDO effectively filters ripple from rectified AC, providing clean DC power for audio preamplifiers and DACs.
Industrial Control Systems
Its robust TO-3 package and 1.5A output make it suitable for powering sensors, microcontrollers, and actuators in industrial automation where stable voltage is critical.
Laboratory Test Equipment
Use it as a reference voltage source in calibration equipment. The low quiescent current of 5mA ensures minimal power loss during operation.
LED Lighting Drivers
Drive high-power LEDs with a constant current by using the adjustable output. The 37V maximum output supports multiple LEDs in series.
- Q: What is the output voltage range of the LM317KSTEEL?
- A: The output voltage is adjustable from 1.25V up to 37V.
- Q: What is the maximum output current?
- A: The LM317KSTEEL can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.25V up to 37V.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data.
- Q: What is the quiescent current?
- A: The quiescent current is 5 mA.
- Q: What package is available?
- A: This device comes in a TO-3-2 package.
LM317KSTEEL.pdf
- Q: What is the output voltage range of the LM317KSTEEL?
- A: The output voltage is adjustable from 1.25V up to 37V.
- Q: What is the maximum output current?
- A: The LM317KSTEEL can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.25V up to 37V.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data.
- Q: What is the quiescent current?
- A: The quiescent current is 5 mA.
- Q: What package is available?
- A: This device comes in a TO-3-2 package.
