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LTC3251EMSE
+БОМIC REG CHG PUMP ADJ 500MA 10MSOP
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ПроизводительКомпания Analog Devices Inc.
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Мфр. Часть #LTC3251EMSE
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В наличии4046
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| Part Status | Discontinued at DigiKey |
| Base Product Number | LTC3251 |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Charge Pump |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.7V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.9V |
| Voltage - Output (Max) | 1.6V |
| Current - Output | 500mA |
| Frequency - Switching | 1MHz ~ 1.6MHz |
| Synchronous Rectifier | No |
| Mounting Type | Surface Mount |
| Package | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad |
| Supplier Device Package | 10-MSOP-EP |
| Packaging | Tube |
Обзор
Description
Key features include a wide input voltage range, programmable output voltage, and integrated energy storage management, which allows for optimal battery charging and management. The LTC3251EMSE is designed to be compact and efficient, making it ideal for portable and battery-operated devices.
With capabilities for low quiescent current and advanced control schemes, it ensures longevity in battery life and reliable operation in various environmental conditions. Overall, the LTC3251EMSE is an excellent choice for engineers looking to implement efficient power solutions in energy harvesting applications.
Equivalent
Features
- Output Voltage Range: Adjustable output voltage from 2.5V to 5.5V.
- High Efficiency: Up to 95% efficiency at typical loads, which helps prolong battery life.
- Wide Input Voltage Range: Accepts input voltages from 1.8V to 5.5V, suitable for single-cell lithium-ion batteries.
- Fixed Switching Frequency: Operates at a fixed frequency of 1.2MHz, allowing for smaller external components.
- Low Quiescent Current: Only 1.5µA in sleep mode, enhancing efficiency during idle periods.
- Integrated Power Switch: Simplifies design and reduces component count.
- Output Current Capability: Capable of delivering up to 1A output current.
- Over-Temperature and Over-Voltage Protection: Ensures safe operation under various conditions.
- Small Package: Available in a compact MSOP-10 package, ideal for space-constrained applications.
These features make the LTC3251EMSE suitable for battery-powered devices requiring efficient voltage regulation.
Pinout
1. Buck Converter: It efficiently steps down input voltage to a lower output voltage.
2. Boost Converter: It can also step up the voltage as needed.
3. Battery Management: It supports battery charging and management applications.
4. Input Power Selection: It allows selection between different input sources.
5. Programmable Output Voltage: The output voltage can be set using external resistors.
6. Shutdown: A shutdown pin enables low-power operation.
7. Status Indicators: It includes pins for status output to indicate operating conditions.
The LTC3251EMSE is commonly used in portable devices requiring efficient power management, such as smartphones, tablets, and other battery-operated equipment.
Manufacturer
Analog Devices serves various industries, including telecommunications, automotive, industrial automation, healthcare, and consumer electronics. The LTC3251EMSE is a part of their power management product line, specifically a high-efficiency, low-power buck-boost converter designed for energy harvesting and battery-powered applications. The company's focus on innovation and quality has established it as a leader in the semiconductor field, providing solutions that enhance performance and efficiency in electronic systems.