LTC3561EDD
Product Overview
- Category: Integrated Circuit (IC)
- Use: Power Management
- Characteristics: High Efficiency, Low Quiescent Current
- Package: DFN-10
- Essence: Voltage Regulator
- Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 0.6V to VIN
- Maximum Output Current: 1A
- Quiescent Current: 20µA
- Switching Frequency: 1.5MHz
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LTC3561EDD package consists of 10 pins arranged as follows:
- VIN: Input voltage pin
- GND: Ground pin
- SW: Switching node pin
- FB: Feedback pin for output voltage regulation
- EN: Enable pin for turning the device on/off
- SS: Soft-start capacitor pin
- PG: Power Good indicator pin
- VOUT: Output voltage pin
- BST: Boost capacitor connection pin
- LX: Inductor connection pin
Functional Features
- High efficiency synchronous buck regulator
- Low quiescent current for extended battery life
- Wide input voltage range suitable for various applications
- Adjustable output voltage with high accuracy
- Internal compensation for simplified design
- Power good indicator for system monitoring
- Soft-start feature for controlled startup
Advantages and Disadvantages
Advantages: - High efficiency operation conserves power - Low quiescent current prolongs battery life - Compact DFN-10 package saves board space - Wide input voltage range enhances versatility - Adjustable output voltage allows customization
Disadvantages: - Limited maximum output current (1A) - Requires external components for operation - Higher cost compared to non-integrated solutions
Working Principles
The LTC3561EDD is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage, adjustable from 0.6V to VIN. It utilizes a synchronous buck topology to achieve high efficiency power conversion. The device operates at a switching frequency of 1.5MHz, enabling the use of small external components.
The regulator incorporates internal compensation, simplifying the design process. It features a power good indicator (PG) that signals when the output voltage is within the desired range. The soft-start function ensures controlled startup, preventing excessive inrush current.
Detailed Application Field Plans
The LTC3561EDD is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Industrial equipment - Automotive systems
Detailed and Complete Alternative Models
- LT1763: Low Dropout Regulator (LDO), 500mA maximum output current
- LT8610: Synchronous Buck-Boost Converter, 2.5A maximum output current
- LT3080: Adjustable Linear Regulator, 1.1A maximum output current
- LT3976: High Voltage Step-Down Regulator, 3A maximum output current
- LT8609: Synchronous Buck Converter, 2.5A maximum output current
These alternative models offer similar functionality and can be considered as substitutes for the LTC3561EDD based on specific application requirements.
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技術ソリューションにおける LTC3561EDD の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of LTC3561EDD in technical solutions:
Q1: What is LTC3561EDD? A1: LTC3561EDD is a specific model of a low quiescent current, high efficiency synchronous buck-boost DC/DC converter.
Q2: What is the input voltage range of LTC3561EDD? A2: The input voltage range of LTC3561EDD is typically between 1.8V and 5.5V.
Q3: What is the output voltage range of LTC3561EDD? A3: The output voltage range of LTC3561EDD can be adjusted from 1.8V to 5.25V using external resistors.
Q4: What is the maximum output current of LTC3561EDD? A4: The maximum output current of LTC3561EDD is typically 1A.
Q5: Can LTC3561EDD operate in both buck and boost modes? A5: Yes, LTC3561EDD can operate in both buck and boost modes, allowing it to step up or step down the input voltage.
Q6: Does LTC3561EDD have built-in protection features? A6: Yes, LTC3561EDD includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Q7: Is LTC3561EDD suitable for battery-powered applications? A7: Yes, LTC3561EDD is designed for low power applications and is well-suited for battery-powered devices.
Q8: Can LTC3561EDD be used in portable electronic devices? A8: Yes, LTC3561EDD's small form factor and low quiescent current make it suitable for use in portable electronic devices.
Q9: What is the efficiency of LTC3561EDD? A9: The efficiency of LTC3561EDD can reach up to 95% under certain operating conditions.
Q10: Are there any evaluation boards available for LTC3561EDD? A10: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and design resources for LTC3561EDD to help with its implementation in technical solutions.
Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.