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LTC3521EUF#TRPBF
+Lista de MateriaisIC REG BUCK BST ADJ TRPL 24QFN
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #LTC3521EUF#TRPBF
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Ficha Técnica LTC3521EUF#TRPBF DataSheet
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Pacote WFQFN-24
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down, Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck, Buck-Boost |
| OutputType | Adjustable |
| NumberofOutputs | 3 |
| Voltage-Input(Min) | 1.8V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 600mA, 1A |
| Frequency-Switching | 1.1MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 24-WFQFN Exposed Pad |
Visão Geral
Description
The LTC3521EUF#TRPBF is a high-efficiency, dual-channel step-up DC/DC converter designed by Analog Devices. It is particularly suited for applications that require low voltage inputs (as low as 0.7V) and higher voltage outputs, making it ideal for battery-powered devices. The device features two independent 600mA boost converters, which can operate from a single inductor, providing a compact power solution.
Key features include its ability to operate from a wide input voltage range of 0.7V to 5.5V, and output voltages up to 5.25V. It boasts high efficiency, often over 90%, and supports Burst Mode operation for low power consumption during standby. Other features include soft start, short-circuit protection, and thermal shutdown, enhancing its reliability and performance. The LTC3521EUF#TRPBF typically comes in a compact 16-pin QFN package, making it suitable for space-constrained applications. Overall, this device is ideal for powering microcontrollers, sensors, and other components in portable electronics.
Key features include its ability to operate from a wide input voltage range of 0.7V to 5.5V, and output voltages up to 5.25V. It boasts high efficiency, often over 90%, and supports Burst Mode operation for low power consumption during standby. Other features include soft start, short-circuit protection, and thermal shutdown, enhancing its reliability and performance. The LTC3521EUF#TRPBF typically comes in a compact 16-pin QFN package, making it suitable for space-constrained applications. Overall, this device is ideal for powering microcontrollers, sensors, and other components in portable electronics.
Equivalent
The LTC3521EUF#TRPBF is a dual-output, synchronous step-up DC/DC converter. Equivalent products may include:
1. TPS61230A - by Texas Instruments
2. MAX17222 - by Maxim Integrated
3. MCP1643 - by Microchip Technology
4. RT4813 - by Richtek
These alternatives offer similar functionalities in boosting applications but check specific features, voltage, current ratings, and package type to ensure compatibility with your requirements.
1. TPS61230A - by Texas Instruments
2. MAX17222 - by Maxim Integrated
3. MCP1643 - by Microchip Technology
4. RT4813 - by Richtek
These alternatives offer similar functionalities in boosting applications but check specific features, voltage, current ratings, and package type to ensure compatibility with your requirements.
Features
The LTC3521EUF#TRPBF is a high-efficiency, step-up DC/DC converter designed by Analog Devices (formerly Linear Technology). Key features include:
1. Input Voltage Range: 1V to 3.2V, suitable for single-cell applications.
2. Output Voltage: Adjustable up to 5.25V using an external resistor divider.
3. Output Current: Capable of delivering up to 100mA at 3.3V from a 1V input.
4. Efficiency: High efficiency, reaching up to approximately 94%, which enhances battery life.
5. Quiescent Current: Low quiescent current of 8µA, optimizing performance for battery-powered devices.
6. Switching Frequency: Fixed frequency operation at 400kHz, which allows for small external components.
7. Automatic Burst Mode® Operation: Improves efficiency at light loads.
8. Protection Features: Includes undervoltage lockout, current limiting, and thermal protection.
9. Package: Comes in a compact 10-lead 3mm × 3mm DFN package, facilitating space-saving designs.
These features make the LTC3521EUF#TRPBF suitable for applications requiring efficient power conversion in compact, battery-operated devices.
1. Input Voltage Range: 1V to 3.2V, suitable for single-cell applications.
2. Output Voltage: Adjustable up to 5.25V using an external resistor divider.
3. Output Current: Capable of delivering up to 100mA at 3.3V from a 1V input.
4. Efficiency: High efficiency, reaching up to approximately 94%, which enhances battery life.
5. Quiescent Current: Low quiescent current of 8µA, optimizing performance for battery-powered devices.
6. Switching Frequency: Fixed frequency operation at 400kHz, which allows for small external components.
7. Automatic Burst Mode® Operation: Improves efficiency at light loads.
8. Protection Features: Includes undervoltage lockout, current limiting, and thermal protection.
9. Package: Comes in a compact 10-lead 3mm × 3mm DFN package, facilitating space-saving designs.
These features make the LTC3521EUF#TRPBF suitable for applications requiring efficient power conversion in compact, battery-operated devices.
Pinout
The LTC3521EUF#TRPBF is a dual step-up DC/DC converter manufactured by Analog Devices (formerly Linear Technology). It comes in a 16-lead (pin) QFN package. The primary function of the LTC3521 is to efficiently boost input voltages to higher output voltages, suitable for applications like portable electronics and battery-powered devices.
Key features of the LTC3521 include the ability to operate from inputs as low as 0.8V, integrated synchronous rectification, and high efficiency across a wide range of currents. It provides two independently controlled step-up converters with independent enable and feedback pins, allowing for flexible power supply configurations. The compact QFN package and integrated features make it suitable for space-constrained applications.
Key features of the LTC3521 include the ability to operate from inputs as low as 0.8V, integrated synchronous rectification, and high efficiency across a wide range of currents. It provides two independently controlled step-up converters with independent enable and feedback pins, allowing for flexible power supply configurations. The compact QFN package and integrated features make it suitable for space-constrained applications.
Manufacturer
The LTC3521EUF#TRPBF is manufactured by Analog Devices, Inc. This company is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. Analog Devices provides products and solutions that serve a wide range of industries, including telecommunications, automotive, consumer electronics, healthcare, and industrial automation. Their offerings span across various areas such as data converters, amplifiers, power management, radio frequency (RF) and microwave, sensors, and more. Analog Devices is known for innovation and quality, focusing on enabling their customers to solve complex challenges in signal processing and power management.
Application
The LTC3521EUF#TRPBF is a dual step-up DC/DC converter designed for applications requiring efficient power management. Its primary application areas include:
1. Portable Electronics: Ideal for devices like smartphones, tablets, and portable media players, where space and efficiency are crucial.
2. Battery-Powered Devices: Suitable for gadgets that rely on battery power, ensuring longer battery life and stable voltage output.
3. Wireless Sensors and IoT Devices: Used in low-power wireless communication devices, optimizing power usage and extending operational time.
4. Consumer Electronics: Applicable in products such as digital cameras and handheld gaming devices that require stable voltage from a lower voltage battery source.
These features make the LTC3521EUF#TRPBF a versatile choice for modern electronic applications.
1. Portable Electronics: Ideal for devices like smartphones, tablets, and portable media players, where space and efficiency are crucial.
2. Battery-Powered Devices: Suitable for gadgets that rely on battery power, ensuring longer battery life and stable voltage output.
3. Wireless Sensors and IoT Devices: Used in low-power wireless communication devices, optimizing power usage and extending operational time.
4. Consumer Electronics: Applicable in products such as digital cameras and handheld gaming devices that require stable voltage from a lower voltage battery source.
These features make the LTC3521EUF#TRPBF a versatile choice for modern electronic applications.
Package
The LTC3521EUF#TRPBF is a part of the Linear Technology (now part of Analog Devices) product line and comes in a 16-lead QFN (Quad Flat No-leads) package. The "EUF" in the part number indicates this specific package type, which is designed for surface-mount applications, offering a compact footprint and efficient thermal performance.
