LT3437IFE#TRPBF

Product Overview

Category

LT3437IFE#TRPBF belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in various electronic devices for power management applications.

Characteristics

• High efficiency voltage regulator
• Wide input voltage range
• Adjustable output voltage
• Low quiescent current
• Overcurrent protection
• Thermal shutdown protection

Package

LT3437IFE#TRPBF is available in a small and compact 16-pin TSSOP package.

Essence

The essence of LT3437IFE#TRPBF lies in its ability to efficiently regulate voltage in electronic devices, ensuring stable and reliable power supply.

Packaging/Quantity

This IC is typically sold in reels containing a quantity of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 36V
• Output Voltage Range: 1.24V to 33V
• Quiescent Current: 50µA
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference
4. FB: Feedback pin for output voltage regulation
5. SS: Soft-start capacitor connection
6. VCC: Supply voltage for internal circuitry
7. PGND: Power ground connection
8. SYNC: External synchronization input
9. EN: Enable pin for turning on/off the IC
10. VOUT: Output voltage pin
11. COMP: Compensation pin for stability control
12. RT: Timing resistor connection for switching frequency adjustment
13. CT: Timing capacitor connection for switching frequency adjustment
14. BST: Boost capacitor connection
15. SS/TRK: Soft-start/tracking capacitor connection
16. PGND: Power ground connection

Functional Features

• High efficiency voltage regulation
• Adjustable output voltage through feedback pin
• Overcurrent protection for safe operation
• Thermal shutdown protection to prevent overheating
• Soft-start function for controlled startup
• Synchronization capability with external clock signal
• Enable pin for easy on/off control

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications
• High efficiency ensures minimal power loss
• Compact package size saves board space
• Overcurrent and thermal protection enhance reliability
• Adjustable output voltage provides flexibility

Disadvantages

• Limited output current capacity
• Requires additional external components for proper operation
• Synchronization feature may not be necessary in all applications

Working Principles

LT3437IFE#TRPBF operates as a step-down voltage regulator using a switching topology. It converts the higher input voltage to a lower, regulated output voltage by rapidly switching an internal power transistor. This switching action minimizes power dissipation and increases overall efficiency.

The IC incorporates various control mechanisms such as feedback loop, compensation network, and soft-start circuitry to ensure stable and reliable voltage regulation. It also includes protection features like overcurrent detection and thermal shutdown to safeguard against potential damage.

Detailed Application Field Plans

LT3437IFE#TRPBF finds extensive use in a wide range of electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - Industrial automation equipment - Automotive electronics - LED lighting systems - Telecommunications equipment

Its ability to efficiently regulate voltage makes it suitable for applications where stable power supply is critical.

Detailed and Complete Alternative Models

• LT3437EFE#TRPBF
• LT3437HFE#TRPBF
• LT3437IFE#PBF
• LT3437EFE#PBF

These alternative models offer similar functionality and specifications, providing options for different design requirements.

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