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LM2733XMFX
+NomenclatureIC REG BOOST ADJ 1A SOT23-5
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FabricantTexas Instruments
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Pièce fabricant #LM2733XMFX
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Package SOT-23-5
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En stock1550
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Obsolete |
| Function | Step-Up |
| OutputConfiguration | Positive |
| Topology | Boost |
| OutputType | Adjustable |
| NumberofOutputs | 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 | 1.6MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Présentation
Description
Key features include a wide input voltage range of 2.7V to 14V, which offers flexibility in various power supply scenarios. It also includes integrated power MOSFETs, which contribute to its high efficiency and reduced component count. The LM2733XMFX comes in a SOT-23-5 package that supports space-constrained applications. It includes built-in protection features such as over-current protection and thermal shutdown to ensure reliable operation.
Overall, the LM2733XMFX is an excellent choice for designers seeking a compact and efficient boost converter solution in various electronic applications.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 2.7V to 14V, making it versatile for different power sources.
2. High Switching Frequency: Available in 600 kHz and 1.6 MHz options, allowing the use of small external components and enabling compact design.
3. Output Voltage: Capable of boosting the voltage to as high as 40V, suitable for applications needing high output voltage.
4. Efficiency: Achieves high efficiency up to 90%, minimizing power loss and heat generation.
5. Low Shutdown Current: Consumes minimal power when in shutdown mode, aiding in battery-powered applications.
6. Small Package: Offered in a SOT-23 package, allowing for space-constrained designs.
7. Protection Features: Includes overcurrent protection and thermal shutdown to enhance reliability and safety.
These features make the LM2733XMFX suitable for applications like LCD bias supplies, battery-powered devices, and consumer electronics.
Pinout
1. SW (Switch): This pin is connected to the inductor and diode. It is the switch node, carrying the switching current.
2. GND (Ground): This is the ground pin connected to the system ground.
3. FB (Feedback): This pin senses the output voltage for regulation purposes and is connected to an external resistor-divider network.
4. SHDN (Shutdown): This pin is used to enable or disable the device. A high level turns the device on, while a low level places it in shutdown mode, reducing current consumption.
5. VIN (Input Voltage): This is the power supply input pin for the device.
The LM2733 provides efficient voltage conversion with a high switching frequency, allowing the use of small inductors and capacitors, which is ideal for space-constrained applications.