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IC REG BUCK 3.3V 1.2A 8DFN
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メーカーテキサス・インスツルメンツ
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メーカー品番 #LT3663EDCB-3.3
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データシート LT3663EDCB-3.3 DataSheet
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在庫状況5644
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Obsolete |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 7.5V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min / Fixed) | 3.3V |
| Current - Output | 1.2A |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 8-WFDFN Exposed Pad |
| Supplier Device Package | 8-DFN (2x3) |
| Base Product Number | LT3663 |
概要
Description
The LT3663EDCB-3.3 is a highly integrated, low quiescent current linear voltage regulator designed to provide a stable output of 3.3V. It features an input voltage range of 2.5V to 5.5V, making it suitable for various applications, including battery-powered devices. The device operates with a dropout voltage as low as 300mV at 150mA, ensuring efficient performance even when battery voltage is low.
The LT3663EDCB-3.3 incorporates a range of protection features, including thermal shutdown and current limiting, enhancing its reliability. With a typical quiescent current of only 1.6µA, it is particularly advantageous for applications requiring low power consumption, such as IoT devices and portable electronics.
The regulator is offered in a compact DFN (Dual Flat No-lead) package, facilitating easy integration into space-constrained designs. Its combination of efficiency, compact size, and integrated features makes the LT3663EDCB-3.3 a versatile choice for designers seeking reliable voltage regulation in various applications.
The LT3663EDCB-3.3 incorporates a range of protection features, including thermal shutdown and current limiting, enhancing its reliability. With a typical quiescent current of only 1.6µA, it is particularly advantageous for applications requiring low power consumption, such as IoT devices and portable electronics.
The regulator is offered in a compact DFN (Dual Flat No-lead) package, facilitating easy integration into space-constrained designs. Its combination of efficiency, compact size, and integrated features makes the LT3663EDCB-3.3 a versatile choice for designers seeking reliable voltage regulation in various applications.
Equivalent
Equivalent products to the LT3663EDCB-3.3 include:
1. MIC2876 - A high-efficiency buck regulator with adjustable output.
2. TPS63020 - A versatile, high-efficiency step-up/step-down converter.
3. LM3671 - A compact step-down converter suitable for portable devices.
4. RT6205 - A synchronous buck converter with adjustable output voltage.
Always check specific datasheets for detailed specifications and compatibility.
1. MIC2876 - A high-efficiency buck regulator with adjustable output.
2. TPS63020 - A versatile, high-efficiency step-up/step-down converter.
3. LM3671 - A compact step-down converter suitable for portable devices.
4. RT6205 - A synchronous buck converter with adjustable output voltage.
Always check specific datasheets for detailed specifications and compatibility.
Features
The LT3663EDCB-3.3 is a high-performance, adjustable step-down (buck) regulator from Analog Devices' LT3663 series. Key features include:
1. Input Voltage Range: Operates from 4.5V to 20V.
2. Output Voltage: Fixed output of 3.3V.
3. High Efficiency: Up to 95% efficiency, reducing heat generation.
4. Load Current: Capable of delivering up to 1A output current.
5. Low Quiescent Current: Typically around 2.5µA in sleep mode, ideal for battery-powered applications.
6. Switching Frequency: Adjustable frequency up to 2MHz, allowing for smaller external components.
7. Thermal Protection: Integrated thermal shutdown, ensuring device reliability.
8. Soft-Start Feature: Reduces inrush current during startup.
9. Compact Package: Available in a thermally enhanced 8-lead MSOP or 3mm × 3mm DFN package for space-saving designs.
These features make the LT3663EDCB-3.3 suitable for portable devices, automotive applications, and other space-constrained environments.
1. Input Voltage Range: Operates from 4.5V to 20V.
2. Output Voltage: Fixed output of 3.3V.
3. High Efficiency: Up to 95% efficiency, reducing heat generation.
4. Load Current: Capable of delivering up to 1A output current.
5. Low Quiescent Current: Typically around 2.5µA in sleep mode, ideal for battery-powered applications.
6. Switching Frequency: Adjustable frequency up to 2MHz, allowing for smaller external components.
7. Thermal Protection: Integrated thermal shutdown, ensuring device reliability.
8. Soft-Start Feature: Reduces inrush current during startup.
9. Compact Package: Available in a thermally enhanced 8-lead MSOP or 3mm × 3mm DFN package for space-saving designs.
These features make the LT3663EDCB-3.3 suitable for portable devices, automotive applications, and other space-constrained environments.
Pinout
The LT3663EDCB-3.3 is a high-efficiency, synchronous buck regulator from Analog Devices, specifically designed to provide a regulated output voltage of 3.3V. It features a pin count of 12 in the DCB package.
Pin Functions:
1. VIN - Input voltage supply.
2. GND - Ground reference.
3. SW - Switch node, connects to the inductor.
4. VOUT - Output voltage.
5. EN - Enable control pin.
6. COMP - Compensation network connection for stability.
7. FB - Feedback pin for voltage regulation.
8. SS - Soft-start control pin.
9. PG - Power good indicator.
10. IMON - Current monitor output.
11. SENSE+ - Current sense input positive terminal.
12. SENSE- - Current sense input negative terminal.
These features make the LT3663EDCB-3.3 suitable for various applications including battery-powered devices and point-of-load voltage regulation.
Pin Functions:
1. VIN - Input voltage supply.
2. GND - Ground reference.
3. SW - Switch node, connects to the inductor.
4. VOUT - Output voltage.
5. EN - Enable control pin.
6. COMP - Compensation network connection for stability.
7. FB - Feedback pin for voltage regulation.
8. SS - Soft-start control pin.
9. PG - Power good indicator.
10. IMON - Current monitor output.
11. SENSE+ - Current sense input positive terminal.
12. SENSE- - Current sense input negative terminal.
These features make the LT3663EDCB-3.3 suitable for various applications including battery-powered devices and point-of-load voltage regulation.
Manufacturer
The LT3663EDCB-3.3 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts, specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). The company primarily serves industries such as telecommunications, automotive, industrial, healthcare, and consumer electronics.
The LT3663EDCB-3.3 is a low dropout (LDO) linear regulator designed to provide a stable output voltage of 3.3V, with applications in powering various electronic devices. Analog Devices is known for its innovative solutions and commitment to advancing technology, focusing on precision and efficiency in their products.
The LT3663EDCB-3.3 is a low dropout (LDO) linear regulator designed to provide a stable output voltage of 3.3V, with applications in powering various electronic devices. Analog Devices is known for its innovative solutions and commitment to advancing technology, focusing on precision and efficiency in their products.
Application
The LT3663EDCB-3.3 is a low dropout (LDO) voltage regulator ideal for various applications, including:
1. Portable Devices: Powering handheld electronics, wearables, and mobile devices.
2. Battery-Powered Equipment: Efficient regulation for battery-operated systems, enhancing battery life.
3. Microcontroller Power Supplies: Used in microcontroller circuits requiring stable voltage.
4. RF and Wireless Applications: Suitable for powering RF circuits and wireless transceivers.
5. Industrial Automation: Provides reliable power in industrial control systems and sensors.
Its high efficiency, low noise, and small footprint make it versatile for these applications.
1. Portable Devices: Powering handheld electronics, wearables, and mobile devices.
2. Battery-Powered Equipment: Efficient regulation for battery-operated systems, enhancing battery life.
3. Microcontroller Power Supplies: Used in microcontroller circuits requiring stable voltage.
4. RF and Wireless Applications: Suitable for powering RF circuits and wireless transceivers.
5. Industrial Automation: Provides reliable power in industrial control systems and sensors.
Its high efficiency, low noise, and small footprint make it versatile for these applications.
Package
The LT3663EDCB-3.3 is packaged in a 10-lead MSOP (Mini Small Outline Package) with a wettable flank, allowing for compact design and efficient thermal performance. This package type is ideal for space-constrained applications.
