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LT3470ETS8
+BOMSwitching Voltage Regulators LT3470 - Micropower Buck Regulator with Integrated Boost and Catch Diodes
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メーカーアナログデバイス
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メーカー品番 #LT3470ETS8
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データシート LT3470ETS8 DataSheet
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在庫状況26775
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 |
概要
Description
The LT3470ETS8 is a high-efficiency step-up DC/DC converter produced by Linear Technology (now part of Analog Devices). It is designed to provide a compact and efficient solution for boosting voltages in battery-powered and portable applications. The device can deliver output voltages up to 40V while supporting input voltages as low as 2.5V, making it suitable for applications like OLED displays, LED drivers, and more.
The LT3470ETS8 features a fixed frequency operation of 1.2MHz, which allows the use of small inductors and capacitors for a more compact design. It also includes integrated power switches, minimizing the need for external components and enhancing efficiency. The device incorporates features like soft-start, undervoltage lockout, and thermal shutdown to ensure reliable operation. Additionally, it offers low shutdown current and an adjustable output voltage, making it versatile for various applications.
Overall, the LT3470ETS8 is valued for its compact size, efficiency, and ease of use, making it ideal for designers seeking to optimize space and power consumption in their electronic designs.
The LT3470ETS8 features a fixed frequency operation of 1.2MHz, which allows the use of small inductors and capacitors for a more compact design. It also includes integrated power switches, minimizing the need for external components and enhancing efficiency. The device incorporates features like soft-start, undervoltage lockout, and thermal shutdown to ensure reliable operation. Additionally, it offers low shutdown current and an adjustable output voltage, making it versatile for various applications.
Overall, the LT3470ETS8 is valued for its compact size, efficiency, and ease of use, making it ideal for designers seeking to optimize space and power consumption in their electronic designs.
Equivalent
The LT3470ETS8 is a step-down switching regulator from Analog Devices (formerly Linear Technology). Equivalent products include:
1. Texas Instruments LM2830
2. ON Semiconductor NCP3170
3. Microchip Technology MCP16301
4. Maxim Integrated MAX15006
These alternatives may have similar input voltage ranges, output currents, and switching frequencies, but it's essential to compare detailed specifications to ensure compatibility with your application.
1. Texas Instruments LM2830
2. ON Semiconductor NCP3170
3. Microchip Technology MCP16301
4. Maxim Integrated MAX15006
These alternatives may have similar input voltage ranges, output currents, and switching frequencies, but it's essential to compare detailed specifications to ensure compatibility with your application.
Features
The LT3470ETS8 is a compact step-down switching regulator from Analog Devices designed for efficiency and performance in space-constrained applications. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 4V to 36V, making it versatile for different power sources.
2. Output Voltage: The device can deliver a fixed output voltage with high efficiency.
3. Switching Frequency: It operates at a 500kHz fixed frequency, which allows for small external components and a compact overall design.
4. Efficiency: The regulator provides high efficiency, typically up to 90%, reducing heat generation and power loss.
5. Output Current: It can deliver up to 200mA of continuous output current.
6. Low Shutdown Current: The device features a low shutdown current of less than 1µA, ensuring minimal battery drain in power-sensitive applications.
7. Protection Features: Includes over-current protection, thermal shutdown, and soft-start to enhance reliability and performance.
8. Package: Available in a thermally enhanced 8-lead TSOT-23 package, it is suitable for compact PCB layouts.
These features make the LT3470ETS8 a suitable choice for portable and space-constrained applications requiring efficient voltage regulation.
1. Input Voltage Range: It supports a wide input voltage range from 4V to 36V, making it versatile for different power sources.
2. Output Voltage: The device can deliver a fixed output voltage with high efficiency.
3. Switching Frequency: It operates at a 500kHz fixed frequency, which allows for small external components and a compact overall design.
4. Efficiency: The regulator provides high efficiency, typically up to 90%, reducing heat generation and power loss.
5. Output Current: It can deliver up to 200mA of continuous output current.
6. Low Shutdown Current: The device features a low shutdown current of less than 1µA, ensuring minimal battery drain in power-sensitive applications.
7. Protection Features: Includes over-current protection, thermal shutdown, and soft-start to enhance reliability and performance.
8. Package: Available in a thermally enhanced 8-lead TSOT-23 package, it is suitable for compact PCB layouts.
These features make the LT3470ETS8 a suitable choice for portable and space-constrained applications requiring efficient voltage regulation.
Pinout
The LT3470ETS8 is a step-down DC/DC converter from Analog Devices (formerly Linear Technology). It comes in an 8-lead TSOT-23 package. The pin functions are as follows:
1. SW (Pin 1): Switch pin. Connect this to the inductor and the catch diode.
2. GND (Pin 2): Ground pin. This is the reference for the internal circuitry and should be tied to the system ground.
3. FB (Pin 3): Feedback pin. Connect a resistor divider from the output to this pin to set the output voltage.
4. SHDN (Pin 4): Shutdown pin. Pull this pin low to shut down the converter. Connect to a voltage above 1.5V to enable the converter.
5. VC (Pin 5): Compensation pin. Used to stabilize the control loop; connect a series RC network to ground.
6. VIN (Pin 6): Input supply pin. Must be locally bypassed.
7. BOOST (Pin 7): Boost capacitor pin. Connect a capacitor between this pin and the SW pin.
8. NC (Pin 8): No connect. This pin is not internally connected.
These pins support the converter's operation, allowing it to efficiently step down voltage for various applications.
1. SW (Pin 1): Switch pin. Connect this to the inductor and the catch diode.
2. GND (Pin 2): Ground pin. This is the reference for the internal circuitry and should be tied to the system ground.
3. FB (Pin 3): Feedback pin. Connect a resistor divider from the output to this pin to set the output voltage.
4. SHDN (Pin 4): Shutdown pin. Pull this pin low to shut down the converter. Connect to a voltage above 1.5V to enable the converter.
5. VC (Pin 5): Compensation pin. Used to stabilize the control loop; connect a series RC network to ground.
6. VIN (Pin 6): Input supply pin. Must be locally bypassed.
7. BOOST (Pin 7): Boost capacitor pin. Connect a capacitor between this pin and the SW pin.
8. NC (Pin 8): No connect. This pin is not internally connected.
These pins support the converter's operation, allowing it to efficiently step down voltage for various applications.
Manufacturer
The LT3470ETS8 is a product manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of a wide range of integrated circuits and other semiconductor solutions. Their products are used in signal processing, power management, and data conversion, among other applications.
Application
The LT3470ETS8 is a step-up switching regulator designed for applications requiring efficient power conversion. Its application areas include:
1. Battery-Powered Devices: Used in portable electronics to boost battery voltage for various components.
2. LED Drivers: Suitable for driving LED backlighting in displays and lighting applications.
3. Industrial Instrumentation: Provides stable voltage boosts in sensor and data acquisition systems.
4. Consumer Electronics: Used in devices needing efficient power management, such as cameras and handheld gadgets.
5. Communications Equipment: Supports voltage regulation in networking and telecom devices.
Its compact size and high efficiency make it ideal for space-constrained and power-sensitive applications.
1. Battery-Powered Devices: Used in portable electronics to boost battery voltage for various components.
2. LED Drivers: Suitable for driving LED backlighting in displays and lighting applications.
3. Industrial Instrumentation: Provides stable voltage boosts in sensor and data acquisition systems.
4. Consumer Electronics: Used in devices needing efficient power management, such as cameras and handheld gadgets.
5. Communications Equipment: Supports voltage regulation in networking and telecom devices.
Its compact size and high efficiency make it ideal for space-constrained and power-sensitive applications.
Package
The LT3470ETS8 is a step-down switching regulator manufactured by Analog Devices. It comes in an 8-lead TSOT-23 package, which is a small surface-mount package suitable for compact electronic designs.
