LM217K The STMicroelectronics LM217K is an adjustable positive voltage regulator capable of supplying up to 1.5A. It offers a wide output voltage range from 1.2V to 37V.
Mfr Part #:

LM217K

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LM217K is an adjustable positive voltage regulator capable of supplying up to 1.5A. It offers a wide output voltage range from 1.2V to 37V.
✓ Total Stock: 13 pcs
$ Price Range: $0.28

LM217K Available from 1 distributor

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✓ Non-Authorised
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13 pcs
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LM217K Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Storage Temperature
Supplier Device Package
Supplier Package
Voltage

LM217K Description

Short technical summary and product information.

The LM217K from STMicroelectronics is a monolithic integrated circuit designed as a positive adjustable voltage regulator. It is capable of supplying over 1.5A of load current with an output voltage that can be adjusted from 1.2V to 37V using only two external resistors.

 

Key electrical characteristics include excellent line and load regulation, typically 0.1% and 0.3% respectively. It features internal protections such as current limiting and thermal shutdown, enhancing reliability. The device operates with an input-output differential voltage of up to 40V and offers a high power supply rejection ratio (PSRR) of up to 80dB at 120Hz.

 

This regulator is housed in a TO-3 (TO-204AA) package, suitable for through-hole mounting. The operating junction temperature range for the LM217 variant is -25°C to 150°C. Its adjustable nature simplifies power supply designs by eliminating the need to stock multiple fixed regulators.

LM217K Quick Information

Product Type: Voltage Regulator
Series: LM117/217/317
Canonical Name: LM217K Adjustable Positive Voltage Regulator
Subcategory: Adjustable Positive

LM217K Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM217K Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM217K Features

  • Adjustable positive voltage regulator
  • Output voltage range 1.2V to 37V
  • Maximum output current 1.5A
  • TO-3 package for through-hole mounting
  • Internal current limit and thermal shutdown

LM217K Applications

  • Adjustable power supplies
  • Battery chargers
  • Active regulators
  • Switching power supply post-regulation

LM217K FAQs

5 frequently asked questions generated from this part’s specifications.
What is the adjustable output voltage range for the LM217K?

The output voltage can be adjusted from 1.2V to 37V.

What is the maximum output current for the LM217K?

The LM217K can supply a maximum output current of 1.5A.

What type of package is the LM217K supplied in?

The LM217K is supplied in a TO-3 (TO-204AA) package.

What is the operating junction temperature range for the LM217K?

The operating junction temperature range for the LM217 variant is -25°C to 150°C.

What protection features are included in the LM217K?

The LM217K includes over current and over temperature protection features.

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