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LTC3425EUH
+BOMSwitching Voltage Regulators LTC3425 - 5A, 8MHz, 4-Phase Synchronous Step-Up DC/DC Converter
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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 #LTC3425EUH
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データシート LTC3425EUH DataSheet
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在庫状況8599
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 LTC3425EUH is a high-efficiency, step-up DC/DC converter from Analog Devices, designed to boost input voltages ranging from 0.5V to 5V to a higher output voltage, up to 5.25V. It is specifically tailored for applications requiring high power efficiency and compact size, such as portable electronic devices, battery-powered equipment, and handheld instruments.
Key features of the LTC3425EUH include:
1. Synchronous rectification: Enhances efficiency by using an internal MOSFET instead of a diode, reducing power loss.
2. Wide input voltage range: Operating from as low as 0.5V, enabling it to function with a single-cell battery.
3. High output current capability: Capable of delivering up to 2A of output current.
4. Programmable output voltage: Adjustable via external resistors, providing flexibility for various applications.
5. Compact package: Available in a small 16-lead QFN package, making it suitable for space-constrained designs.
Overall, the LTC3425EUH is ideal for applications needing efficient and reliable power conversion in a compact format.
Key features of the LTC3425EUH include:
1. Synchronous rectification: Enhances efficiency by using an internal MOSFET instead of a diode, reducing power loss.
2. Wide input voltage range: Operating from as low as 0.5V, enabling it to function with a single-cell battery.
3. High output current capability: Capable of delivering up to 2A of output current.
4. Programmable output voltage: Adjustable via external resistors, providing flexibility for various applications.
5. Compact package: Available in a small 16-lead QFN package, making it suitable for space-constrained designs.
Overall, the LTC3425EUH is ideal for applications needing efficient and reliable power conversion in a compact format.
Equivalent
The LTC3425EUH is a high-efficiency, step-up DC/DC converter. Equivalent products from other manufacturers include the MAX1797 from Maxim Integrated, the TPS61030 from Texas Instruments, and the MCP1640 from Microchip Technology. These alternatives offer similar functionality, such as high-efficiency voltage boosting for battery-powered applications. Always verify the specifications and pin compatibility to ensure they meet your design requirements.
Features
The LTC3425EUH is a high-efficiency, synchronous step-up DC/DC converter designed for applications requiring low input voltages and high output currents. Key features include:
1. Wide Input Voltage Range: Operates from 0.5V to 4.5V, making it suitable for single-cell battery applications.
2. Output Voltage: Can be adjusted up to 5.25V.
3. High Efficiency: Achieves efficiencies up to 96% through synchronous rectification.
4. Output Current: Provides up to 2A of output current.
5. Low Quiescent Current: Features a low quiescent current of 30μA, enhancing battery life.
6. Programmable Frequency: Switching frequency can be set between 300kHz and 2MHz, allowing for optimization between efficiency and component size.
7. Soft-Start: Includes a programmable soft-start feature to limit inrush currents.
8. Protection Features: Offers over-temperature and over-current protection.
9. Compact Package: Comes in a 16-lead (5mm x 3mm) DFN package, allowing for space-efficient designs.
These features make the LTC3425EUH ideal for portable and battery-powered applications requiring efficient power conversion from low-voltage sources.
1. Wide Input Voltage Range: Operates from 0.5V to 4.5V, making it suitable for single-cell battery applications.
2. Output Voltage: Can be adjusted up to 5.25V.
3. High Efficiency: Achieves efficiencies up to 96% through synchronous rectification.
4. Output Current: Provides up to 2A of output current.
5. Low Quiescent Current: Features a low quiescent current of 30μA, enhancing battery life.
6. Programmable Frequency: Switching frequency can be set between 300kHz and 2MHz, allowing for optimization between efficiency and component size.
7. Soft-Start: Includes a programmable soft-start feature to limit inrush currents.
8. Protection Features: Offers over-temperature and over-current protection.
9. Compact Package: Comes in a 16-lead (5mm x 3mm) DFN package, allowing for space-efficient designs.
These features make the LTC3425EUH ideal for portable and battery-powered applications requiring efficient power conversion from low-voltage sources.
Pinout
The LTC3425EUH is a high-efficiency, synchronous step-up DC/DC converter. It comes in a 16-pin QFN package. The pin functions are as follows:
1. SW (Pins 1, 2): Switch node connected to the inductor.
2. PGND (Pin 3): Power ground.
3. VIN (Pin 4): Input supply voltage.
4. SHDN/SS (Pin 5): Shutdown and soft-start control.
5. SYNC/MODE (Pin 6): Synchronization and mode selection.
6. FB (Pin 7): Feedback input for output voltage regulation.
7. VOUT (Pins 8, 9): Output voltage connection.
8. VCC (Pin 10): Internal supply voltage.
9. RT (Pin 11): Timing resistor to set the switching frequency.
10. SGND (Pin 12): Signal ground.
11. COMP (Pin 13): Compensation pin for stability.
12. VC (Pin 14): Error amplifier output for loop compensation.
13. RSET (Pin 15): Resistor setting the current limit.
14. TEMP (Pin 16): Temperature feedback.
This configuration allows the LTC3425EUH to efficiently boost a wide range of input voltages to a higher output voltage.
1. SW (Pins 1, 2): Switch node connected to the inductor.
2. PGND (Pin 3): Power ground.
3. VIN (Pin 4): Input supply voltage.
4. SHDN/SS (Pin 5): Shutdown and soft-start control.
5. SYNC/MODE (Pin 6): Synchronization and mode selection.
6. FB (Pin 7): Feedback input for output voltage regulation.
7. VOUT (Pins 8, 9): Output voltage connection.
8. VCC (Pin 10): Internal supply voltage.
9. RT (Pin 11): Timing resistor to set the switching frequency.
10. SGND (Pin 12): Signal ground.
11. COMP (Pin 13): Compensation pin for stability.
12. VC (Pin 14): Error amplifier output for loop compensation.
13. RSET (Pin 15): Resistor setting the current limit.
14. TEMP (Pin 16): Temperature feedback.
This configuration allows the LTC3425EUH to efficiently boost a wide range of input voltages to a higher output voltage.
Manufacturer
The LTC3425EUH is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These products are used in a wide array of electronic equipment, including industrial, automotive, communications, healthcare, and consumer electronics. The company is well-known for its innovations in analog and digital signal processing technology, providing crucial components for a variety of applications that require high performance, reliability, and precision.
Application
The LTC3425EUH is a high-efficiency, step-up DC/DC converter commonly used in applications requiring a boost in voltage. Key application areas include:
1. Battery-Powered Devices: Provides efficient voltage conversion for portable devices such as smartphones, tablets, and wearable technology.
2. Consumer Electronics: Used in gadgets that demand stable power supply from lower voltage batteries.
3. Industrial Equipment: Suitable for sensors and industrial devices requiring consistent voltage levels.
4. Medical Devices: Powers portable medical equipment with reliable voltage conversion.
5. Communications Equipment: Ensures stable power for RF and other communication modules.
Its versatility in boosting voltage efficiently makes it ideal for applications needing compact power solutions.
1. Battery-Powered Devices: Provides efficient voltage conversion for portable devices such as smartphones, tablets, and wearable technology.
2. Consumer Electronics: Used in gadgets that demand stable power supply from lower voltage batteries.
3. Industrial Equipment: Suitable for sensors and industrial devices requiring consistent voltage levels.
4. Medical Devices: Powers portable medical equipment with reliable voltage conversion.
5. Communications Equipment: Ensures stable power for RF and other communication modules.
Its versatility in boosting voltage efficiently makes it ideal for applications needing compact power solutions.
Package
The LTC3425EUH is available in a 16-lead, 3mm x 3mm QFN (Quad Flat No-leads) package.
