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MAX38643AENT+T
+NomenclatureTINY 300NA NANOPOWER BUCK CONVER
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #MAX38643AENT+T
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Package WLP-6
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En stock3921
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | nanoPower |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 1.8V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.7V |
| Voltage - Output (Max) | 3.3V |
| Current - Output | 700mA |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Présentation
Description
Key features include a low quiescent current of 1.7µA, which helps extend battery life, and pin-selectable output voltages, providing design flexibility. The MAX38643AENT+T operates in a forced PWM mode or an automatic PFM/PWM mode, which adjusts automatically for higher efficiency across load conditions. The device includes protection features such as overcurrent protection, thermal shutdown, and short-circuit protection.
This converter comes in a compact, 6-pin, 1.6mm x 2.1mm TDFN package, facilitating ease of integration into space-constrained designs. It is suitable for applications including wearable devices, IoT sensors, and other portable electronics requiring efficient power management solutions.
Equivalent
1. TPS62740 from Texas Instruments - Ultra-low power buck converter.
2. LTC3621 from Analog Devices - High-efficiency step-down regulator.
3. AP63356 from Diodes Incorporated - Step-down DC-DC converter.
4. MPM3833C from Monolithic Power Systems - Step-down power module.
Ensure to verify specifications to match specific requirements.
Features
1. Efficiency: It offers high-efficiency performance, typically up to 96%, which helps in minimizing power loss and enhancing battery life in portable devices.
2. Compact Size: Housed in a small package, the MAX38643AENT+T is suitable for space-constrained applications.
3. Output: It supports a wide output voltage range, adjustable via external resistors, catering to various voltage requirements.
4. Load Capability: The converter can deliver up to 600mA of current, making it ideal for powering moderate loads.
5. Input Voltage Range: It has a broad input voltage range, enhancing its versatility in different power supply scenarios.
6. Quiescent Current: The device features low quiescent current, which is beneficial for extending battery life.
7. Protection Features: It includes overcurrent and thermal protection to ensure reliability and safety in operation.
These features make the MAX38643AENT+T suitable for applications in portable electronics, wearables, and other devices requiring efficient power conversion in a minimal footprint.
Pinout
1. IN (Input Voltage): Supplies power to the device; typically ranges from 2.5V to 5.5V.
2. EN (Enable): Used to enable or disable the device; active-high.
3. FB (Feedback): Used to set the output voltage via an external resistor divider.
4. GND (Ground): Common ground connection for the device.
5. LX (Switch Node): Connects to the inductor and is the switching node for the internal power MOSFETs.
6. OUT (Output Voltage): Provides the regulated output voltage.
This converter is suitable for portable devices due to its small size and high efficiency, supporting applications with limited space and power requirements.