LTC1955EUH#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High Efficiency - Low Quiescent Current - Wide Input Voltage Range - Adjustable Output Voltage - Small Package Size

Package: 32-Lead QFN (Quad Flat No-Lead)

Essence: The LTC1955EUH#TRPBF is a power management IC designed for high efficiency and low quiescent current applications.

Packaging/Quantity: The LTC1955EUH#TRPBF is available in a 32-Lead QFN package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Quiescent Current: 25µA
• Switching Frequency: 1MHz
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC1955EUH#TRPBF has a total of 32 pins. Here is the detailed pin configuration:

1. VOUT
2. GND
3. SW
4. FB
5. EN
6. SS
7. PGND
8. VCC
9. VCC
10. VCC
11. VCC
12. VCC
13. VCC
14. VCC
15. VCC
16. VCC
17. VCC
18. VCC
19. VCC
20. VCC
21. VCC
22. VCC
23. VCC
24. VCC
25. VCC
26. VCC
27. VCC
28. VCC
29. VCC
30. VCC
31. VCC
32. VIN

Functional Features

• High efficiency synchronous buck regulator
• Adjustable output voltage through external resistors
• Low quiescent current for improved battery life
• Soft-start and power good features for reliable operation
• Overcurrent and overtemperature protection

Advantages and Disadvantages

Advantages: - High efficiency design saves power - Wide input voltage range allows for versatile applications - Small package size saves board space - Adjustable output voltage provides flexibility

Disadvantages: - Limited maximum output current (3A) - Operating temperature range may not be suitable for extreme environments

Working Principles

The LTC1955EUH#TRPBF is a high efficiency synchronous buck regulator. It converts the input voltage to a lower, adjustable output voltage using a switching mechanism. The device operates at a high switching frequency of 1MHz, allowing for smaller external components and reducing overall system size. The low quiescent current ensures minimal power consumption during standby or light load conditions.

Detailed Application Field Plans

The LTC1955EUH#TRPBF can be used in various applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial equipment - Automotive electronics - Telecommunications

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the LTC1955EUH#TRPBF:

1. LT8610ABEUJ#PBF - 42V, 2.5A Synchronous Step-Down Regulator
2. LT8609SFE#PBF - 42V, 2.5A Synchronous Step-Down Regulator
3. LT8609SEF#PBF - 42V, 2.5A Synchronous Step-Down Regulator
4. LT8609ABEUJ#PBF - 42V, 2.5A Synchronous Step-Down Regulator

These alternative models offer similar features and can be considered as substitutes for the LTC1955EUH#TRPBF in various applications.

In conclusion, the LTC1955EUH#TRPBF is a power management IC with high efficiency, low quiescent current, and adjustable output voltage capabilities. It is suitable for a wide range of applications and offers advantages such as small package size and wide input voltage range. However, it has limitations in terms of maximum output current and operating temperature range. Alternative models are available for consideration based on specific requirements.