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LM2733YMF/NOPB
+StücklisteLM2733 0.6/1.6 MHZ BOOST CONVERT
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HerstellerNational Semiconductor
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Herstellerteil #LM2733YMF/NOPB
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Datenblatt LM2733YMF/NOPB DataSheet
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Paket SOT-23-5
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Auf Lager4094
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
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Spezifikationen
| Attribut | Wert |
| Package / Case | Bulk |
| Part Status | Active |
| Function | Step-Up |
| Output Configuration | Positive |
| Topology | Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.7V |
| Voltage - Input (Max) | 14V |
| Voltage - Output (Min/Fixed) | 2.7V |
| Voltage - Output (Max) | 40V (Switch) |
| Current - Output | 1A (Switch) |
| Frequency - Switching | 600kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Übersicht
Description
The LM2733YMF/NOPB is a step-up DC-DC converter designed by Texas Instruments. It operates as a boost regulator, providing efficient voltage step-up in a compact form factor. The device is part of the LM2733 series and is known for its high efficiency, typically around 88%, making it suitable for battery-operated applications. The LM2733YMF/NOPB features a wide input voltage range, typically from 2.7V to 14V, and can deliver output voltages up to 40V, accommodating a variety of power supply needs.
Key features include a high switching frequency of up to 1.6 MHz, which allows for the use of small external components, aiding in space-constrained designs. It has a current mode control for fast transient response and loop stability. The device includes an internal compensation network, minimizing the need for external components. With a shutdown mode, the device reduces quiescent current to extend battery life. The LM2733YMF/NOPB is available in a SOT-23 package, ensuring easy integration into PCB designs. It is commonly used in applications like LCD bias supplies, LED backlighting, and portable devices.
Key features include a high switching frequency of up to 1.6 MHz, which allows for the use of small external components, aiding in space-constrained designs. It has a current mode control for fast transient response and loop stability. The device includes an internal compensation network, minimizing the need for external components. With a shutdown mode, the device reduces quiescent current to extend battery life. The LM2733YMF/NOPB is available in a SOT-23 package, ensuring easy integration into PCB designs. It is commonly used in applications like LCD bias supplies, LED backlighting, and portable devices.
Equivalent
The LM2733YMF/NOPB is a boost converter IC from Texas Instruments. Equivalent products from other manufacturers might include:
1. MIC2250 from Microchip Technology
2. LT1615 from Analog Devices
3. NCP1402 from ON Semiconductor
4. AP3012 from Diodes Incorporated
Ensure specifications like voltage input/output, switching frequency, and current rating match your requirements when considering alternatives.
1. MIC2250 from Microchip Technology
2. LT1615 from Analog Devices
3. NCP1402 from ON Semiconductor
4. AP3012 from Diodes Incorporated
Ensure specifications like voltage input/output, switching frequency, and current rating match your requirements when considering alternatives.
Features
The LM2733YMF/NOPB is a step-up DC-DC converter from Texas Instruments designed to provide efficient power supply solutions. Key features include:
1. Wide Input Voltage Range: Operates from 2.7V to 14V, suitable for various applications.
2. High Switching Frequency: Offers 1.6 MHz operation, allowing the use of smaller inductors and capacitors, reducing overall size.
3. Low Output Voltage Ripple: Ensures stable output voltage under varying loads.
4. High Efficiency: Achieves efficiency up to 90%, conserving power and reducing thermal stress.
5. Compact Package: Available in a small SOT-23 package, ideal for space-constrained designs.
6. Current Limit Protection: Built-in protection against over-current conditions, enhancing reliability.
7. Thermal Shutdown: Protects the device from overheating by shutting down at high temperatures.
8. Adjustable Output Voltage: Output voltage is set by external resistors, offering flexibility in design.
These features make the LM2733YMF/NOPB suitable for battery-powered devices, LED drivers, and general-purpose power supply solutions where compactness and efficiency are critical.
1. Wide Input Voltage Range: Operates from 2.7V to 14V, suitable for various applications.
2. High Switching Frequency: Offers 1.6 MHz operation, allowing the use of smaller inductors and capacitors, reducing overall size.
3. Low Output Voltage Ripple: Ensures stable output voltage under varying loads.
4. High Efficiency: Achieves efficiency up to 90%, conserving power and reducing thermal stress.
5. Compact Package: Available in a small SOT-23 package, ideal for space-constrained designs.
6. Current Limit Protection: Built-in protection against over-current conditions, enhancing reliability.
7. Thermal Shutdown: Protects the device from overheating by shutting down at high temperatures.
8. Adjustable Output Voltage: Output voltage is set by external resistors, offering flexibility in design.
These features make the LM2733YMF/NOPB suitable for battery-powered devices, LED drivers, and general-purpose power supply solutions where compactness and efficiency are critical.
Pinout
The LM2733YMF/NOPB is a boost converter IC produced by Texas Instruments. It comes in a 6-pin SOT-23 package. Here are the pin functions:
1. SW (Pin 1): Switch node connection. Connect an inductor here. This is the input for the power switching.
2. GND (Pin 2): Ground. Connect this pin to the system ground.
3. FB (Pin 3): Feedback. Connect to a resistor divider from the output to set the output voltage.
4. SHDN (Pin 4): Shutdown. A logic level input to turn the device on or off. Pull high to enable the device.
5. VIN (Pin 5): Supply voltage input. This is where the input voltage is applied.
6. SW (Pin 6): This pin is internally connected to Pin 1 (SW), providing redundancy for the switch node.
The LM2733YMF/NOPB is designed for boost conversion, stepping up the voltage while maintaining high efficiency, suitable for battery-powered applications.
1. SW (Pin 1): Switch node connection. Connect an inductor here. This is the input for the power switching.
2. GND (Pin 2): Ground. Connect this pin to the system ground.
3. FB (Pin 3): Feedback. Connect to a resistor divider from the output to set the output voltage.
4. SHDN (Pin 4): Shutdown. A logic level input to turn the device on or off. Pull high to enable the device.
5. VIN (Pin 5): Supply voltage input. This is where the input voltage is applied.
6. SW (Pin 6): This pin is internally connected to Pin 1 (SW), providing redundancy for the switch node.
The LM2733YMF/NOPB is designed for boost conversion, stepping up the voltage while maintaining high efficiency, suitable for battery-powered applications.
Manufacturer
The LM2733YMF/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and systems. They are well-known for their development, manufacturing, and sales of integrated circuits and semiconductors. TI serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is recognized for its innovations in analog and embedded processing technologies.
Application
The LM2733YMF/NOPB is a step-up DC-DC converter ideal for applications requiring efficient voltage boosting. Key application areas include powering white LED backlighting for LCD displays, portable electronic devices, and handheld instruments. It's also used in battery-powered devices needing higher voltage rails, such as digital cameras, MP3 players, and PDAs. Its ability to efficiently convert low input voltages to higher output voltages makes it suitable for boosting voltage in automotive systems and communication devices. Additionally, its compact size and high frequency operation allow for reduced component sizes, making it ideal for space-constrained applications.
Package
The LM2733YMF/NOPB is a DC-DC boost converter packaged in a small, 6-pin SOT-23 (Surface-Mount Technology) package. This package type is compact, making it suitable for applications requiring efficient use of board space.
