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Texas Instruments LM317LCPK Adjustable Positive Voltage Regulator 1.2-37V 1.5A SOT-89 3-Pin LM317LCPK
Specifications
| Country of Origin | India |
|---|---|
| Voltage | Regulators Texas Instruments LM317LCPK, Voltage Regulator 35V SOT-89 3-Pin RS St |
| Brand | Texas Instruments |
| Height | 1.75mm |
| Length | 5mm |
| Model | LM317LCPK |
| Width | 4mm |
| Mount Type | Surface |
| Series | LM317 |
| Output Current | 1.5 A (LM317), 0.5 A (LM317M), 0.1 A (LM317L) |
| Maximum Operating Temperature | 150°C |
| Package Type | SOT-89 |
| Polarity | Positive |
| Maximum Input Voltage | 35V |
| Quiescent Current | 50μA |
| Output Voltage Range | 1.2 V to 37 V |
| Minimum Input Voltage | 3.7V |
| Pin Count | 3 |
| Typical line regulation | 0.01% |
Key Features
- Adjustable output voltage range from 1.2 V to 37 V.
- Maximum output current of 1.5 A in SOT-89 3-pin package.
- Low quiescent current of 50 microamperes for efficient power usage.
- Includes current limiting, thermal overload, and safe operating area protections.
- Compact surface mount package measuring 5mm x 4mm x 1.75mm.
- Excellent line regulation at 0.01% and load regulation at 0.1%.
- Operating temperature up to 150 degrees Celsius for harsh environments.
- Positive polarity design suitable for standard voltage regulation circuits.
Product Description
Texas Instruments LM317LCPK is an adjustable positive voltage regulator designed for precise voltage control in various electronic applications. It provides an output voltage range from 1.2V up to 37V and can sustain output currents up to 1.5A in its robust SOT-89 3-pin surface mount package.
This device features low quiescent current of only 50μA, which enhances energy efficiency, making it suitable for portable and low-power applications. The LM317LCPK integrates advanced current limiting, thermal overload protection, and safe operating area protection, ensuring stable and reliable operation in demanding industrial or consumer electronics environments.
The compact package measures 5mm in length, 4mm in width, and 1.75mm in height, allowing easy surface mount on compact printed circuit boards (PCBs). The device operates reliably across a wide range of conditions, with a maximum operating temperature of 150°C and an input voltage range from 3.7V to 35V.
This voltage regulator achieves excellent performance with typical line regulation of 0.01% and load regulation of 0.1%, delivering steady output voltage under varying loads and input voltages. The positive polarity design and standard three-pin configuration permit simple integration into existing power management circuits.
This voltage regulator is widely used in industrial machinery, laboratory instruments, power supply circuits, and consumer electronic devices requiring precise voltage adjustment. It is engineered to maintain operational stability even under high temperature and current stress, making it a reliable choice for harsh working environments.
Package contents essentially include the single LM317LCPK voltage regulator IC for mounting and integration. Available in multiple packaging formats for efficient manufacturing assembly processes. Suitable in applications involving DC power supplies, embedded system voltage regulation, and general analog circuit designs.
The Texas Instruments LM317LCPK can be selected for projects requiring a durable, accurate, and adjustable Voltage Regulator IC with proven long-term reliability. Users can explore the broad range of Texas Instruments power management products on EnvMart to complement this component.
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Frequently Asked Questions
The LM317LCPK provides an adjustable output voltage range from 1.2V to 37V.
This model can sustain a maximum output current of 1.5A.
The quiescent current is 50 microamperes, which enhances energy efficiency.
The compact package measures 5mm in length, 4mm in width, and 1.75mm in height.
The LM317LCPK operates reliably at a maximum temperature of 150°C.
It achieves a typical line regulation of 0.01%.
This voltage regulator comes in a SOT-89 surface mount package.
The minimum input voltage required is 3.7V.
It includes current limiting, thermal overload protection, and safe operating area protections.
The device features a positive polarity design suitable for standard voltage regulation circuits.
The maximum input voltage for this model is 35V.
It is widely used in industrial machinery, laboratory instruments, power supply circuits, and consumer electronic devices requiring precise voltage adjustment.
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