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LTC3619IDD#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: DFN-10
Essence: The LTC3619IDD#TRPBF is a high-efficiency, low quiescent current synchronous buck regulator. It is designed to provide a regulated output voltage from a wide input voltage range.
Packaging/Quantity: The LTC3619IDD#TRPBF is available in a DFN-10 package and is typically sold in reels of 2500 units.
Specifications
- Input Voltage Range: 2.25V to 5.5V
- Output Voltage Range: 0.6V to VIN
- Maximum Output Current: 1A
- Switching Frequency: 2MHz
- Quiescent Current: 22μA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LTC3619IDD#TRPBF has the following pin configuration:
- VIN: Input Voltage
- SW: Switch Node Connection
- GND: Ground
- FB: Feedback Voltage
- EN: Enable Pin
- SS: Soft-Start Pin
- PG: Power Good Indicator
- VOUT: Output Voltage
- VCC: Internal Regulator Supply
- BST: Bootstrap Capacitor Connection
Functional Features
- High Efficiency: The LTC3619IDD#TRPBF utilizes a synchronous buck topology, which enables it to achieve high efficiency levels.
- Low Quiescent Current: With a quiescent current of only 22μA, the LTC3619IDD#TRPBF minimizes power consumption in standby or light load conditions.
- Wide Input Voltage Range: The regulator can accept input voltages ranging from 2.25V to 5.5V, making it suitable for a variety of applications.
- Adjustable Output Voltage: The output voltage can be adjusted from 0.6V to the input voltage (VIN) using an external resistor divider network.
- Small Package Size: The DFN-10 package offers a compact form factor, making it ideal for space-constrained designs.
Advantages and Disadvantages
Advantages: - High efficiency operation - Low quiescent current - Wide input voltage range - Adjustable output voltage - Compact package size
Disadvantages: - Limited maximum output current (1A)
Working Principles
The LTC3619IDD#TRPBF operates as a synchronous buck regulator. It uses a high-side N-channel MOSFET and a low-side P-channel MOSFET to regulate the output voltage. The internal control circuitry adjusts the duty cycle of the switches to maintain the desired output voltage based on the feedback voltage provided by the FB pin.
When the EN pin is high, the regulator is enabled, and the SW pin switches between VIN and GND to deliver power to the load. The SS pin allows for a controlled soft-start, preventing excessive inrush current during startup.
Detailed Application Field Plans
The LTC3619IDD#TRPBF is well-suited for various applications, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT devices - Industrial equipment - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the LTC3619IDD#TRPBF include: - LT8610ABEMSE#PBF - TPS54332DDAR - MAX15062BASA+
These models can be considered as alternatives based on specific application requirements and design constraints.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC3619IDD#TRPBF en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LTC3619IDD#TRPBF in technical solutions:
Q: What is LTC3619IDD#TRPBF? A: LTC3619IDD#TRPBF is a specific model number of a power management integrated circuit (PMIC) manufactured by Linear Technology (now part of Analog Devices). It is designed for use in various technical solutions.
Q: What are the key features of LTC3619IDD#TRPBF? A: Some key features of LTC3619IDD#TRPBF include high efficiency, low quiescent current, wide input voltage range, adjustable output voltage, and integrated protection features.
Q: What are the typical applications of LTC3619IDD#TRPBF? A: LTC3619IDD#TRPBF can be used in a wide range of applications such as portable devices, battery-powered systems, industrial equipment, and automotive electronics.
Q: What is the maximum input voltage supported by LTC3619IDD#TRPBF? A: The maximum input voltage supported by LTC3619IDD#TRPBF is typically around 36V, but it may vary depending on the specific operating conditions.
Q: Can LTC3619IDD#TRPBF operate with both step-up and step-down configurations? A: Yes, LTC3619IDD#TRPBF is a versatile PMIC that can support both step-up (boost) and step-down (buck) configurations, making it suitable for various voltage conversion requirements.
Q: How efficient is LTC3619IDD#TRPBF? A: LTC3619IDD#TRPBF offers high efficiency, typically above 90%, which helps minimize power losses and maximize battery life in energy-constrained applications.
Q: Does LTC3619IDD#TRPBF have built-in protection features? A: Yes, LTC3619IDD#TRPBF incorporates various protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown to ensure safe operation.
Q: Can I adjust the output voltage of LTC3619IDD#TRPBF? A: Yes, LTC3619IDD#TRPBF provides an adjustable output voltage feature that allows you to set the desired voltage level within a specified range using external resistors.
Q: Is LTC3619IDD#TRPBF suitable for automotive applications? A: Yes, LTC3619IDD#TRPBF is designed to meet the requirements of automotive electronics, including wide input voltage range, high temperature operation, and robust protection features.
Q: Where can I find more information about LTC3619IDD#TRPBF? A: You can refer to the datasheet, application notes, and technical documentation provided by Analog Devices (formerly Linear Technology) for detailed information about LTC3619IDD#TRPBF and its application in technical solutions.
Please note that the answers provided here are general and may vary depending on the specific implementation and operating conditions. It is always recommended to consult the official documentation and seek expert advice when designing with LTC3619IDD#TRPBF or any other electronic component.