LM117H

Name: LM117H
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

IC REG LINEAR POS ADJ 1.5A TO3

3,500 Effective Inventory

LM117H

Effective Inventory3,500

IC REG LINEAR POS ADJ 1.5A TO3

Manufacturer Part # : LM117H
Package/Case: TO-3
Brand: Texas Instruments
Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Series : LM117

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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Maintain the goods in their original condition as received.

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LM117H DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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LM117H Details

The LM117H is an extended temperature 1.5A adjustable linear regulator with short circuit protection from Texas Instruments, designed for reliable voltage regulation in various applications. This device features high output current capability, thermal overload protection, and low dynamic output impedance, making it suitable for a wide range of applications.

Key Features

Adjustable Output Voltage: The LM117H offers adjustable output voltage for precise control in various applications.
High Output Current Capability: This device features high output current capability, making it suitable for demanding applications.
Thermal Overload Protection: The LM117H includes thermal overload protection to prevent damage from overheating.
Short Circuit Current Limiting: It also features short circuit current limiting to ensure safe operation in case of a fault.
Low Dynamic Output Impedance: The LM117H has low dynamic output impedance, ensuring stable voltage regulation and minimizing ripple.

Applications

Voltage Regulation: The LM117H is commonly used in various applications requiring precise voltage regulation, such as power supplies and battery chargers.
Power Supplies: It is also utilized in power supply designs where stable and adjustable output voltage is crucial.
Battery Chargers: The LM117H is suitable for battery charger applications requiring precise control over the charging voltage.
LED Drivers: It can be used in LED driver circuits where stable and adjustable output voltage is necessary.

Where to Use

The LM117H is suitable for use in a wide range of applications, including power supplies, battery chargers, LED drivers, and other circuits requiring precise voltage regulation.

How to Use

To use the LM117H, simply connect it to your circuit according to the recommended operating conditions and adjust the output voltage as needed. Ensure proper heat sinking and follow the manufacturer's guidelines for safe operation.

Application Circuit

The application circuit diagram for the LM117H illustrates how to connect it to a typical power supply or battery charger circuit, ensuring proper operation and reliable voltage regulation.

(Tip: For detailed circuit diagram connections and usage guide, please refer to the datasheet.)

Complementary

The LM117H can be complemented by other Texas Instruments devices, such as the LM317 or LM338, which offer similar functionality but with different features and operating conditions. When selecting complementary devices, ensure that their specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum output current of the LM117H?

A: The LM117H has a maximum output current of 1.5A, making it suitable for demanding applications.

Q: Can the LM117H be used in automotive applications?

A: Yes, the LM117H is suitable for use in automotive applications where precise voltage regulation and thermal overload protection are crucial.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Category	Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - Linear	Mfr	Texas Instruments
Series	-	Package	Bulk
Product Status	Active	Output Configuration	Positive
Output Type	Adjustable	Number of Regulators !	1
Voltage - Input (Max)	40V	Voltage - Output (Min/Fixed)	1.25V
Voltage - Output (Max)	37V	Voltage Dropout (Max)	-
Current - Output	1.5A	Current - Quiescent (Iq)	5 mA
PSRR	80dB ~ 65dB (120Hz)	Control Features	-
Protection Features	Over Current, Over Temperature, Short Circuit	Operating Temperature !	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole	Package / Case	TO-205AD, TO-39-3 Metal Can
Supplier Device Package	TO-3	Base Product Number	LM117

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.

Preliminary Specification LM117H PDF Download

FAQs

What is LM117H?

The LM117H is a high-precision positive voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a regulated output voltage with high accuracy and low dropout voltage. The LM117H is commonly used in various power supply applications where stable voltage regulation is essential.

How Does LM117H Work?

The LM117H operates by maintaining a constant output voltage regardless of variations in input voltage or load current. It uses an internal voltage reference and feedback mechanism to adjust the output voltage to the desired level. The regulator continuously monitors the output voltage and adjusts its control element to compensate for any deviations, ensuring a stable output.

How Many Pins does LM117H have and What are the Functions of the Pinout Configuration?

The LM117H is available in a metal can TO-39 package with 3 pins. The pinout configuration includes:

Input (VIN): Voltage input pin.
Ground (GND): Ground pin.
Output (VOUT): Regulated output voltage pin.

What are the Pros and Cons of LM117H?

Pros:

High Precision: Offers precise voltage regulation for stable power supply operation.
Low Dropout Voltage: Maintains regulation even when input voltage is close to the output voltage.
Thermal Shutdown Protection: Includes thermal overload protection to prevent overheating.
Simple Design: Easy to use with minimal external components required.

Cons:

Heat Dissipation: May require additional heatsinking for high-power applications.
Higher Cost: High-precision voltage regulators like the LM117H may have a higher cost compared to standard regulators.

Are There Any Equivalents/Alternatives to LM117H for Recommendation?

The LM317 from Texas Instruments is a popular alternative with similar characteristics to the LM117H.
Alternatives to the LM117H include the LM338, LM350, and LM7805 voltage regulators.