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LM309H The Texas Instruments LM309H is a 5V output linear voltage regulator designed for local regulation on digital logic cards. It offers an output current of up to 1A and operates within a temperature range of 0°C to 125°C.
Mfr Part #:

LM309H

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM309H is a 5V output linear voltage regulator designed for local regulation on digital logic cards. It offers an output current of up to 1A and operates within a temperature range of 0°C to 125°C.
✓ Total Stock: 1,452 pcs
$ Price Range: $12.16

LM309H Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
1,414 pcs
On Request
1414 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
33 pcs
On Request
33 pcs On Request 1 On Request On Request On Request On Request On Request
Chanetech ✓
Non-Authorised Inventory information
5 pcs
On Request
5 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LM309H 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 Current
Output Type
Protection Features
SVHC Present
Supplier Device Package
Supplier Package
Voltage
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LM309H Description

Short technical summary and product information.

The LM309H from Texas Instruments is a complete 5V regulator fabricated on a single silicon chip, designed for efficient local regulation on digital logic cards. This linear regulator provides a fixed 5.05V output with an output current capability exceeding 1A. It features internal thermal overload protection to prevent overheating and current limiting to protect against excessive peak output current.

 

The device is housed in a TO-205AD, TO-39-3 Metal Can package and supports through-hole mounting. Its operating temperature range spans from 0°C to 125°C, making it suitable for various industrial applications. The LM309H is designed to be easy to use, minimizing the need for external components, although input bypassing is recommended if the regulator is located far from the power supply filter capacitor. Stability is achieved through methods that provide good rejection of load or line transients, commonly seen with TTL logic.

 

This regulator is specified to be compatible with TTL and DTL logic. While primarily designed as a fixed-voltage regulator, its output can be adjusted for voltages above 5V, and it can also serve as the control element in precision regulators due to its current-handling capability and thermal overload protection.

LM309H Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LM309H 5V Output Linear Regulator
Subcategory: LDO Regulators

LM309H Compliance

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

LM309H Estimated Pricing

Qty Low High
1+ $12.16 $12.16

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

LM309H Features

  • Fixed 5.05V output voltage.
  • Output current exceeds 1A.
  • Internal thermal overload protection.
  • Designed for TTL and DTL compatibility.
  • TO-39-3 Metal Can package for through-hole mounting.

LM309H Applications

  • Local regulation on digital logic cards.
  • Power supply filtering applications.
  • Use in TTL and DTL systems.
  • Precision regulator control element.

LM309H FAQs

5 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LM309H?

The LM309H provides a nominal output voltage of 5.05V.

What is the maximum output current for the LM309H?

The LM309H can deliver an output current in excess of 1A.

What is the operating temperature range for the LM309H?

The LM309H operates within a temperature range of 0°C to 125°C.

What type of package is the LM309H supplied in?

The LM309H is supplied in a TO-205AD, TO-39-3 Metal Can package.

Does the LM309H have over-temperature protection?

Yes, the LM309H includes internal thermal overload protection.

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