STMicroelectronics LM317LZ-AP
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.89 | $0.89 |
| 15+ | $0.20 | $3.00 |
| 25+ | $0.20 | $5.00 |
| 50+ | $0.19 | $9.50 |
| 100+ | $0.17 | $17.00 |
| N+ | $0.03 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | |
| Packaging | Tape & Box (TB) | Cut Tape (CT) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 37V |
| Voltage Dropout (Max) | - |
| Current - Output | 100mA |
| 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-226-3, TO-92-3 (TO-226AA) Formed Leads |
| Supplier Device Package | TO-92-3 |
| ROHS |  |
The STMicroelectronics LM317LZ-AP is a classic adjustable LDO linear regulator with an output range of 1.2V to 37V and 100mA current capability. Its high PSRR of 80dB at 120Hz ensures clean output for audio and precision circuits. The TO-92-3 package is ideal for through-hole prototyping and low-power applications.
- Adjustable Output: 1.2V to 37V range provides flexibility for various applications with just two external resistors.
- High PSRR: 80dB at 120Hz effectively rejects mains hum for audio and sensitive analog circuits.
- Through-Hole Package: TO-92-3 is easy to solder and ideal for prototyping and educational use.
- Proven Design: Industry-standard LM317 architecture with thermal overload protection.
Adjustable Power Supplies
The 1.2V to 37V adjustable output makes it ideal for benchtop power supplies, lab equipment, and DIY electronics projects requiring a flexible voltage source.
Battery Chargers
With external resistor divider, it can be configured as a constant-voltage charger for lead-acid or lithium batteries in low-power applications.
Audio Preamplifiers
The 80dB PSRR at 120Hz provides clean, hum-free power for audio preamps, equalizers, and mixing consoles.
Industrial Control Circuits
Adjustable output and 100mA capability suit industrial timers, relays, and control logic requiring non-standard voltage rails.
Reference Voltage Sources
The LM317LZ can be used as a precision adjustable reference for ADC circuits, comparators, and voltage-controlled oscillators.
Prototyping and Education
Its through-hole TO-92 package and adjustable nature make it a staple for breadboard prototyping and electronics education.
- Q: What is the output voltage range of the LM317LZ-AP?
- A: The output voltage is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data; refer to the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is 5 mA.
- Q: What package is available?
- A: It comes in a TO-92-3 package.
LM317LZ-AP.pdf
- Q: What is the output voltage range of the LM317LZ-AP?
- A: The output voltage is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data; refer to the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is 5 mA.
- Q: What package is available?
- A: It comes in a TO-92-3 package.
