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LM217L
LM217L is a 1.2A adjustable voltage regulator that can provide output voltages from 1.2V to 37V.
LM217L
LM217L is a 1.2A adjustable voltage regulator that can provide output voltages from 1.2V to 37V.
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Manufacturer Part # : LM217L
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Package/Case: SOP8
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Brand: STMicroelectronics
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Product Categories : Linear Regulator ICs
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LM217L DataSheet
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Details
The LM217L is a three-terminal positive voltage regulator IC manufactured by ON Semiconductor. It is a low dropout (LDO) regulator that can provide output voltages ranging from 1.2V to 37V with a maximum output current of 800mA. The device operates over a wide input voltage range of 4V to 40V, making it suitable for a variety of applications.The LM217L features internal thermal shutdown and current limiting to protect the device from overloading and overheating. It also has built-in short circuit protection to prevent damage to the regulator and the connected circuit in case of a short circuit condition. The IC is housed in a TO-92 package, making it easy to use and integrate into different designs.The LM217L has a ripple rejection ratio of 75dB, ensuring stable and clean output voltage even in noisy environments. It has a low quiescent current of 10mA, making it energy-efficient and ideal for battery-powered applications. The device has excellent line and load regulation, providing a stable output voltage despite changes in input voltage and load conditions.
Key Features
- Adjustable output voltage
- Output current up to 1.5A
- Thermal overload protection
- Short circuit protection
- Safe area protection
- Output transition SOA protection
- Internal thermal shutdown
- 80 dB ripple rejection
- 3.3V, 5V, 12V, and 15V fixed output voltage versions available
Application
- Low-voltage regulators
- High-efficiency linear regulators
- Power supplies
- Battery chargers
- Industrial control systems
- Audio amplifiers
- Instrumentation
- DC-DC converters
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Manufacturer | STMicroelectronics | Product Category ! | Linear Voltage Regulators |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM217L?
The LM217L is a three-terminal adjustable positive voltage regulator integrated circuit manufactured by Texas Instruments. It is capable of providing a regulated output voltage ranging from 1.2V to 37V with a maximum output current of 0.5A. The LM217L is commonly used in various electronic devices and circuits that require a stable and adjustable DC power supply.
How Does LM217L Work?
The LM217L operates as a voltage regulator by comparing a reference voltage with the output voltage and adjusting the pass element to maintain a stable output. It can be configured for different output voltages using external resistors and capacitors. The device regulates the output voltage by dissipating excess power as heat to ensure a consistent and reliable output voltage.
How Many Pins does LM217L have and What are the Functions of the Pinout Configuration?
The LM217L is available in a TO-92 package with three leads. The pinout configuration includes:
- Vin: Input voltage pin.
- Vout: Regulated output voltage pin.
- ADJ: Adjustment pin for setting the output voltage.
What are the Pros and Cons of LM217L?
Pros:
- Adjustable Output: Can be configured to provide a wide range of output voltages.
- Simple Design: Easy to use and suitable for basic voltage regulation applications.
- Cost-Effective: Offers a cost-effective solution for regulating voltages in electronic circuits.
- Decent Output Current: Capable of handling moderate output currents up to 0.5A.
Cons:
- Heat Dissipation: The LM217L may require heat sinking for efficient heat dissipation at higher output currents.
- Dropout Voltage: Has a higher dropout voltage compared to low-dropout regulators for low input voltages.
Are There Any Equivalents/Alternatives to LM217L for Recommendation?
- The LM317 from Texas Instruments is a similar adjustable voltage regulator with higher output current capability.
- Alternatives to the LM217L include the LM1117 from Texas Instruments and the L7805 from STMicroelectronics.
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