LT1579IGN-5#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Short-circuit current limiting

Package: 16-Lead SSOP

Essence: The LT1579IGN-5#TRPBF is a voltage regulator IC designed to provide a regulated output voltage with low dropout voltage. It is commonly used in various electronic devices to ensure stable and reliable power supply.

Packaging/Quantity: The LT1579IGN-5#TRPBF is available in a 16-Lead SSOP package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 7V
• Output Voltage Range: 1.25V to 6.5V
• Dropout Voltage: 300mV at 3A
• Output Current: Up to 3A
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Quiescent Current: 10mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1579IGN-5#TRPBF has 16 pins arranged as follows:

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| | | 1 2 3 4 5 | |_______________________| | | | 6 7 8 9 10 | |_______________________| | | | 11 12 13 14 15 16 | |_______________________| ```

1. IN: Input voltage pin
2. GND: Ground pin
3. ADJ: Adjustable output voltage pin
4. NC: No connection
5. NC: No connection
6. NC: No connection
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. OUT: Output voltage pin
16. NC: No connection

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• High output current capability allows the IC to handle demanding loads.
• Adjustable output voltage provides flexibility in various applications.
• Thermal shutdown protection prevents the IC from overheating and damaging itself.
• Short-circuit current limiting protects the IC and connected components from excessive current.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient power conversion. - High output current capability suits demanding load requirements. - Adjustable output voltage offers versatility. - Thermal shutdown protection enhances reliability. - Short-circuit current limiting safeguards against overcurrent situations.

Disadvantages: - Limited output voltage range (1.25V to 6.5V). - Quiescent current of 10mA may be relatively high for low-power applications.

Working Principles

The LT1579IGN-5#TRPBF operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. The feedback mechanism adjusts the pass transistor's resistance to maintain the desired output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The LT1579IGN-5#TRPBF finds applications in various electronic devices that require a stable and regulated power supply. Some common application fields include: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

1. LM317T: Adjustable voltage regulator with similar characteristics and package.
2. LT1084CT: Fixed output voltage regulator with high current capability.
3. LM1117MPX-5.0/NOPB: Low dropout voltage regulator with fixed 5V output.

These alternative models offer similar functionality and can be considered as substitutes for the LT1579IGN-5#TRPBF in various applications.

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