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LM2734YMK
+BOMIC REG BUCK ADJ 1A TSOT23-6
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #LM2734YMK
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パッケージ SOT-23-THN (DDC)-6
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在庫状況5322
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 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Not For New Designs |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3V |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 18V |
| Current-Output | 1A |
| Frequency-Switching | 550kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 Thin, TSOT-23-6 |
概要
Description
The LM2734YMK is a step-down DC-DC converter designed by Texas Instruments. It is part of the SIMPLE SWITCHER® family, known for ease of use and reliability. The device is capable of driving up to 1A of load current from an input voltage range of 3V to 20V, making it suitable for various applications requiring efficient voltage regulation.
Key features of the LM2734YMK include a high switching frequency of up to 3MHz, enabling the use of small external components and contributing to a compact design. The converter utilizes a current-mode control scheme, which ensures fast transient response and stability across a range of operating conditions. It also includes an enable pin for easy power management and a power-good flag for startup sequencing.
Protection features such as cycle-by-cycle current limiting, thermal shutdown, and internal soft-start enhance the device's reliability. The LM2734YMK is available in a small, 6-pin SOT-23 package, making it ideal for space-constrained applications like portable electronics, automotive systems, and industrial equipment.
Key features of the LM2734YMK include a high switching frequency of up to 3MHz, enabling the use of small external components and contributing to a compact design. The converter utilizes a current-mode control scheme, which ensures fast transient response and stability across a range of operating conditions. It also includes an enable pin for easy power management and a power-good flag for startup sequencing.
Protection features such as cycle-by-cycle current limiting, thermal shutdown, and internal soft-start enhance the device's reliability. The LM2734YMK is available in a small, 6-pin SOT-23 package, making it ideal for space-constrained applications like portable electronics, automotive systems, and industrial equipment.
Equivalent
The LM2734YMK is a DC-DC buck converter from Texas Instruments. Equivalent products with similar specifications include:
1. LM2734XMK - Another variant from Texas Instruments with a different voltage rating.
2. MIC4576 - From Microchip Technology, suitable for similar applications.
3. LT1765 - From Analog Devices, offering comparable performance.
4. TPS54331 - From Texas Instruments, another efficient buck converter option.
Ensure compatibility with your specific requirements by reviewing each chip's datasheet.
1. LM2734XMK - Another variant from Texas Instruments with a different voltage rating.
2. MIC4576 - From Microchip Technology, suitable for similar applications.
3. LT1765 - From Analog Devices, offering comparable performance.
4. TPS54331 - From Texas Instruments, another efficient buck converter option.
Ensure compatibility with your specific requirements by reviewing each chip's datasheet.
Features
The LM2734YMK is a high-efficiency, step-down DC-DC converter. Key features include:
1. Input Voltage Range: Operates from 3.0V to 20V, making it suitable for a wide range of applications.
2. Output Voltage: Adjustable down to 0.8V using an external resistor divider.
3. Output Current: Capable of delivering up to 1A of continuous output current.
4. Switching Frequency: Operates at a fixed frequency of 550 kHz, which reduces the size of external components.
5. Efficiency: High efficiency, typically up to 90%, which minimizes power loss and heat generation.
6. Low Shutdown Current: Features a low quiescent current of 30 μA in shutdown mode, enhancing battery life in portable applications.
7. Protection Features: Includes overcurrent protection and thermal shutdown for enhanced reliability and safety.
8. Package: Available in a small, thermally enhanced MSOP-8 package.
These features make the LM2734YMK ideal for applications requiring efficient voltage regulation with a compact footprint, such as point-of-load power supplies and battery-powered devices.
1. Input Voltage Range: Operates from 3.0V to 20V, making it suitable for a wide range of applications.
2. Output Voltage: Adjustable down to 0.8V using an external resistor divider.
3. Output Current: Capable of delivering up to 1A of continuous output current.
4. Switching Frequency: Operates at a fixed frequency of 550 kHz, which reduces the size of external components.
5. Efficiency: High efficiency, typically up to 90%, which minimizes power loss and heat generation.
6. Low Shutdown Current: Features a low quiescent current of 30 μA in shutdown mode, enhancing battery life in portable applications.
7. Protection Features: Includes overcurrent protection and thermal shutdown for enhanced reliability and safety.
8. Package: Available in a small, thermally enhanced MSOP-8 package.
These features make the LM2734YMK ideal for applications requiring efficient voltage regulation with a compact footprint, such as point-of-load power supplies and battery-powered devices.
Pinout
The LM2734YMK is a step-down DC-DC converter, typically found in micro SMD (Small Outline No-Lead) package. It usually comes with 6 pins. Here's a brief overview of its pin functions:
1. SW (Switch Node): Connects to the inductor, switching internal node.
2. GND (Ground): Common ground reference for input and output.
3. FB (Feedback): Provides voltage feedback to the IC to maintain the output voltage.
4. VIN (Input Voltage): Supply voltage input for the converter.
5. EN (Enable): Enables or disables the device; a high level turns the device on.
6. BOOT (Bootstrap): Supplies the drive voltage for the high-side MOSFET.
This converter is designed for high frequency, small form factor applications and is used to step down higher input voltages to a regulated lower output voltage, ideal for power regulation in compact electronic devices. Always refer to the specific datasheet for detailed specifications and application guidance.
1. SW (Switch Node): Connects to the inductor, switching internal node.
2. GND (Ground): Common ground reference for input and output.
3. FB (Feedback): Provides voltage feedback to the IC to maintain the output voltage.
4. VIN (Input Voltage): Supply voltage input for the converter.
5. EN (Enable): Enables or disables the device; a high level turns the device on.
6. BOOT (Bootstrap): Supplies the drive voltage for the high-side MOSFET.
This converter is designed for high frequency, small form factor applications and is used to step down higher input voltages to a regulated lower output voltage, ideal for power regulation in compact electronic devices. Always refer to the specific datasheet for detailed specifications and application guidance.
Manufacturer
The LM2734YMK is a switching regulator manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company renowned for designing and manufacturing a wide array of analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, the company is a leader in the electronics industry. Texas Instruments' products are used in a variety of applications across the industrial, automotive, personal electronics, and communications sectors. The company's focus includes innovation and development in areas such as power management, signal chain, and embedded processing.
Application
The LM2734YMK is a high-frequency, wide input range step-down voltage regulator. Its application areas include:
1. Telecommunications: Used in networking equipment for power regulation.
2. Consumer Electronics: Integrated into devices like set-top boxes and televisions for efficient power management.
3. Industrial Systems: Suitable for use in control systems and automation equipment, where stable power supply is critical.
4. Automotive: Used in infotainment systems and electronic control units due to its efficiency and reliability.
5. Portable Devices: Provides power management solutions for battery-operated gadgets, ensuring extended battery life and consistent performance.
Its versatility and efficiency make it ideal for any application requiring reliable DC-DC conversion.
1. Telecommunications: Used in networking equipment for power regulation.
2. Consumer Electronics: Integrated into devices like set-top boxes and televisions for efficient power management.
3. Industrial Systems: Suitable for use in control systems and automation equipment, where stable power supply is critical.
4. Automotive: Used in infotainment systems and electronic control units due to its efficiency and reliability.
5. Portable Devices: Provides power management solutions for battery-operated gadgets, ensuring extended battery life and consistent performance.
Its versatility and efficiency make it ideal for any application requiring reliable DC-DC conversion.
Package
The LM2734YMK is a DC-DC converter typically found in a SOT-23 package, specifically a 6-pin SOT-23 (also known as TSOT-23-6 or Thin-SOT-23-6). This compact package is designed for space-efficient applications in power management circuits.
