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MAX829EUK+T
+Lista de MateriaisIC REG CHARG PUMP INV 25MA SOT23
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FabricanteAnalog Devices Inc./Maxim Integrated
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Peça do Fabricante #MAX829EUK+T
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Pacote SOT-23-5
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Em Estoque6049
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Ratiometric |
| OutputConfiguration | Positive or Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.5V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | -Vin, 2Vin |
| Current-Output | 25mA |
| Frequency-Switching | 35kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Visão Geral
Description
Key features of the MAX829EUK+T include a fixed output voltage, typically set at 5V, and an internal switch rated for a maximum of 350mA. It operates with a high switching frequency, reducing the size of external components like inductors and capacitors. The MAX829EUK+T also incorporates a shutdown mode that reduces current consumption to a minimal level when the device is not in use.
Packaged in a compact SOT23-5 format, the MAX829EUK+T is suitable for space-constrained applications. Its robust design and efficiency make it an excellent choice for applications like portable electronics, sensors, and other battery-powered devices that require efficient voltage boosting.
Equivalent
1. TPS61070 from Texas Instruments
2. LT1615 from Analog Devices
3. MIC2250 from Microchip Technology
4. NCP1402 from ON Semiconductor
These alternatives provide similar functionality and performance, though specifications like input voltage range, output current, and efficiency should be checked to ensure compatibility with your specific application.
Features
1. Low Supply Current: It boasts a low quiescent current, making it energy efficient.
2. High Efficiency: The device offers efficiencies up to 90%, ensuring minimal power loss during operation.
3. Output Voltage: Capable of providing a fixed output voltage typically around 5V, suitable for various applications.
4. Input Voltage Range: Operates with a wide input voltage range, which is suitable for battery-powered devices.
5. Low Start-Up Voltage: The converter starts up at a low input voltage, facilitating use in low-voltage applications.
6. Compact Package: Available in a small SOT23-5 package, ideal for space-constrained designs.
7. Internal Switch: Features an internal MOSFET switch to minimize component count and simplify design.
8. Protection: Includes built-in protection features such as current limiting and thermal shutdown to enhance reliability.
These features make the MAX829EUK+T suitable for portable electronics and battery-operated devices requiring efficient voltage boosting.
Pinout
Here are the functions of the pins:
1. Pin 1 (OUT): This is the output pin. It provides the boosted voltage that results from the conversion process.
2. Pin 2 (GND): Ground pin. It is the reference point for the circuit and is connected to the ground of the system.
3. Pin 3 (SHDN): Shutdown pin. It is used to enable or disable the device. When connected to ground, the device shuts down to save power.
4. Pin 4 (LX): Inductor connection pin. It is connected to an external inductor and is used to transfer energy for the boost conversion process.
5. Pin 5 (VIN): Input voltage pin. This is the pin where the input voltage is supplied.
The MAX829EUK+T is designed for applications requiring a compact and efficient voltage boost converter solution.
Manufacturer
Application
1. LCD Biasing: It provides the negative voltage required for liquid crystal displays.
2. Operational Amplifier Supply: Acts as a voltage inverter to create bipolar supplies from a single positive voltage source.
3. Sensor Powering: Used in sensors and other small electronic devices that need a compact and efficient negative voltage source.
4. Battery-Powered Devices: Ideal for portable or battery-operated equipment due to its low power consumption and compact size.
5. Analog Circuitry: Supports various analog applications by easily generating negative voltages necessary for certain circuit operations.