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LM3670MF-3.3
+BOMIC REG BUCK 3.3V 350MA SOT23-5
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #LM3670MF-3.3
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Obsolete |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min / Fixed) | 3.3V |
| Current - Output | 350mA |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| Base Product Number | LM3670 |
Tổng quan
Description
The LM3670MF-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 3.3V. It operates with a wide input voltage range of 2.5V to 5.5V, making it suitable for various applications, including battery-powered devices and portable electronics. The device boasts a maximum output current capability of 500mA, ensuring reliable performance under load.
Key features include low quiescent current, high power supply rejection ratio (PSRR), and thermal shutdown protection, which enhances its efficiency and reliability. The LM3670MF-3.3 is offered in a compact package, enabling space-saving designs in PCB layouts.
Additionally, the regulator supports fast transient response, making it ideal for applications that experience rapid load changes. It is commonly used in mobile devices, IoT applications, and other electronic systems requiring regulated power supply. Overall, the LM3670MF-3.3 combines performance, efficiency, and a small footprint, making it a versatile choice for designers.
Key features include low quiescent current, high power supply rejection ratio (PSRR), and thermal shutdown protection, which enhances its efficiency and reliability. The LM3670MF-3.3 is offered in a compact package, enabling space-saving designs in PCB layouts.
Additionally, the regulator supports fast transient response, making it ideal for applications that experience rapid load changes. It is commonly used in mobile devices, IoT applications, and other electronic systems requiring regulated power supply. Overall, the LM3670MF-3.3 combines performance, efficiency, and a small footprint, making it a versatile choice for designers.
Equivalent
Equivalent products to the LM3670MF-3.3 include the TPS62125, LT1763, and MIC5205. These chips are low-dropout linear regulators with similar output voltage and current specifications. Always check datasheets for specific parameters and compatibility to ensure optimal performance in your application.
Features
The LM3670MF-3.3 is a microSiP DC-DC step-down voltage regulator designed for compact applications. Key features include:
1. Output Voltage: Fixed output of 3.3V.
2. Input Voltage Range: Accepts input voltages from 2.5V to 5.5V.
3. Maximum Output Current: Provides up to 1A output current.
4. High Efficiency: Achieves efficiency levels greater than 90% under typical operating conditions.
5. Low Quiescent Current: Features low quiescent current, enhancing battery life in portable devices.
6. Small Package Size: Comes in a compact 2.0mm x 2.0mm microSiP package, suitable for space-constrained designs.
7. Built-in Soft Start: Includes soft start functionality to mitigate inrush current.
8. Overcurrent Protection: Integrated overcurrent protection for safety.
9. Thermal Shutdown: Protects against overheating.
These features make the LM3670MF-3.3 ideal for applications in portable electronics, sensors, and battery-powered devices.
1. Output Voltage: Fixed output of 3.3V.
2. Input Voltage Range: Accepts input voltages from 2.5V to 5.5V.
3. Maximum Output Current: Provides up to 1A output current.
4. High Efficiency: Achieves efficiency levels greater than 90% under typical operating conditions.
5. Low Quiescent Current: Features low quiescent current, enhancing battery life in portable devices.
6. Small Package Size: Comes in a compact 2.0mm x 2.0mm microSiP package, suitable for space-constrained designs.
7. Built-in Soft Start: Includes soft start functionality to mitigate inrush current.
8. Overcurrent Protection: Integrated overcurrent protection for safety.
9. Thermal Shutdown: Protects against overheating.
These features make the LM3670MF-3.3 ideal for applications in portable electronics, sensors, and battery-powered devices.
Pinout
The LM3670MF-3.3 is a low dropout (LDO) regulator with a pin count of 6. Its primary functions are as follows:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground connection.
3. VOUT (Pin 3): Output voltage (3.3V).
4. EN (Pin 4): Enable pin for turning the device on/off.
5. FB (Pin 5): Feedback pin for voltage regulation.
6. NC (Pin 6): No connection; not used.
The device is designed to provide a stable 3.3V output with high efficiency and low dropout voltage, making it suitable for a variety of portable and battery-operated applications.
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground connection.
3. VOUT (Pin 3): Output voltage (3.3V).
4. EN (Pin 4): Enable pin for turning the device on/off.
5. FB (Pin 5): Feedback pin for voltage regulation.
6. NC (Pin 6): No connection; not used.
The device is designed to provide a stable 3.3V output with high efficiency and low dropout voltage, making it suitable for a variety of portable and battery-operated applications.
Manufacturer
The LM3670MF-3.3 is manufactured by Texas Instruments (TI), a prominent technology company based in the United States. Texas Instruments is known for designing and producing semiconductors and various integrated circuits, which are used in a wide array of electronic devices. Founded in 1930, the company has a strong focus on innovation and engineering, providing solutions for industries such as automotive, industrial, consumer electronics, and telecommunications. TI is particularly recognized for its analog and digital signal processing (DSP) technologies, as well as its commitment to research and development, fostering advancements in electronics and computing. The LM3670MF-3.3 is a step-down (buck) voltage regulator that offers efficient power management, making it suitable for powering microcontrollers and other low-voltage devices in portable applications.
Application
The LM3670MF-3.3 is a low-dropout (LDO) voltage regulator primarily used in applications requiring a stable 3.3V output. Its application areas include:
1. Power Management: Suitable for powering microcontrollers, FPGAs, and DSPs.
2. Consumer Electronics: Common in smartphones, tablets, and portable gadgets.
3. Industrial Equipment: Employed in sensor systems and control modules.
4. Networking Devices: Utilized in routers and switches for reliable power supply.
5. Automotive: Supports various automotive electronics within vehicle systems.
Its compact size and efficiency make it ideal for space-constrained applications.
1. Power Management: Suitable for powering microcontrollers, FPGAs, and DSPs.
2. Consumer Electronics: Common in smartphones, tablets, and portable gadgets.
3. Industrial Equipment: Employed in sensor systems and control modules.
4. Networking Devices: Utilized in routers and switches for reliable power supply.
5. Automotive: Supports various automotive electronics within vehicle systems.
Its compact size and efficiency make it ideal for space-constrained applications.
Package
The LM3670MF-3.3 is packaged in a 5-pin SOT-23-5 surface mount package. This compact package design is suitable for space-constrained applications, providing a combination of performance and ease of integration.
