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ST1S12GR
+БОМIC REG BUCK ADJ 700MA TSOT23-5
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ПроизводительSTМикроэлектроника
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Мфр. Часть #ST1S12GR
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Лист данных ST1S12GR DataSheet
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Пакет SOT-23-5
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В наличии2502
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 700mA |
| Frequency - Switching | 1.7MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Обзор
Description
The converter integrates a low on-resistance P-channel MOSFET, minimizing power losses and improving efficiency. It includes protections such as overcurrent protection, thermal shutdown, and soft-start functionality, enhancing its reliability and safe operation. The ST1S12GR is suitable for use in battery-powered devices, point-of-load applications, and other scenarios demanding efficient voltage regulation.
Available in a small, thermally efficient package, the ST1S12GR offers designers flexibility in thermal management and board layout. Its ease of use, combined with performance features, makes it a popular choice for developers looking to optimize power management in compact electronic circuits.
Equivalent
1. LM2675 by Texas Instruments – A simple switcher step-down voltage regulator.
2. MIC4576 by Microchip Technology – A high-efficiency step-down regulator.
3. MP1584 by MPS (Monolithic Power Systems) – A high-frequency buck converter.
4. LT1934 by Analog Devices (formerly Linear Technology) – A high-efficiency step-down converter.
These alternatives may vary in specifications, so checking datasheets for compatibility is essential.
Features
1. Input Voltage Range: It operates over a wide input voltage range from 2.5V to 5.5V, making it suitable for low voltage applications.
2. Output Current: It can deliver an output current of up to 0.7A.
3. Output Voltage: The regulator provides a fixed output voltage, typically available in different options, such as 1.2V, 1.5V, etc.
4. Efficiency: High efficiency up to 95% due to synchronous rectification.
5. Switching Frequency: It features a high switching frequency of 1.5MHz, which allows the use of small external components.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and soft-start functionality to prevent inrush current.
7. Package: It is available in a compact SOT-23 package, which aids in space-saving designs.
These features make the ST1S12GR suitable for portable devices, battery-powered applications, and other systems requiring efficient power management.
Pinout
1. VIN: Input supply voltage.
2. SW: Switch output. Connects to the inductor.
3. GND: Ground.
4. FB: Feedback. Used for output voltage regulation.
5. NC: No connection. Generally not connected to anything.
6. VCC: Internal supply voltage.
7. EN: Enable pin. Used to enable or disable the device.
8. PGOOD: Power good indicator. Indicates the status of the output voltage.
These pins collectively enable the ST1S12GR to efficiently convert a higher input voltage to a lower output voltage, providing a regulated output suitable for various applications. Always refer to the official datasheet for detailed electrical characteristics and application guidelines.
Manufacturer
The company focuses on innovation and sustainability and is known for its expertise in areas such as microcontrollers, sensors, power management, and analog devices. STMicroelectronics operates in numerous countries, maintaining a strong presence in Europe, the United States, and Asia. Its diverse product portfolio and emphasis on research and development enable it to address the evolving technology needs of its clients across various industries.