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MCP1642BT-50I/MC
+Lista de MateriaisIC REG BOOST 5V 800MA 8DFN
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FabricanteTecnologia Microchip
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Function | Step-Up |
| Output Configuration | Positive |
| Topology | Boost |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 0.65V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min / Fixed) | 5V |
| Current - Output | 800mA |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-VFDFN Exposed Pad |
| Supplier Device Package | 8-DFN (2x3) |
| Base Product Number | MCP1642 |
Visão Geral
Description
Key features include an input voltage range of 0.65V to 5.5V, making it suitable for single-cell, two-cell, or three-cell alkaline, NiMH, or NiCd batteries, as well as Li-Ion cells. The regulator integrates a low-RDS(ON) N-channel boost switch and a P-channel synchronous rectifier, minimizing external component count and enhancing efficiency.
Additionally, it offers features like true load disconnect, inrush current limiting, and short-circuit protection, contributing to robust and reliable performance. Its compact packaging and high level of integration make it suitable for space-constrained applications such as portable electronics, sensor nodes, and wearable devices.
Equivalent
1. TPS61070 from Texas Instruments - a high-efficiency boost converter.
2. LT1930 from Analog Devices - a low-noise boost converter.
3. NCP1402 from ON Semiconductor - a micropower boost converter.
When selecting an alternative, ensure compatibility with key parameters like input/output voltage, current, efficiency, and package type. Always consult the datasheets for specific application needs.
Features
1. Input Voltage Range: Operates with input voltages between 0.35V and 5.5V, making it suitable for single-cell alkaline, NiMH, Li-ion, and other battery configurations.
2. Output Voltage: Provides a fixed output voltage of 5.0V.
3. Efficiency: Delivers high efficiency across a wide load range, crucial for battery-powered applications.
4. Current Capability: Supplies up to 100 mA of output current from a single alkaline cell.
5. Low Quiescent Current: Consumes minimal quiescent current, preserving battery life.
6. Start-Up Voltage: Capable of starting with a low input voltage of 0.8V.
7. Protection Features: Includes over-temperature protection and output short circuit protection for enhanced reliability.
8. Package: Available in a small SOT-23-6 package, facilitating compact designs.
These features make the MCP1642BT-50I/MC ideal for portable electronic devices, energy harvesting applications, and other low-power, space-constrained systems.
Pinout
Here are the pin functions:
1. V_OUT (Pin 1): Output voltage pin. Connects to the output capacitor and load.
2. GND (Pin 2): Ground pin. Connects to the negative terminal of the input supply.
3. V_FB (Pin 3): Feedback voltage pin. Connects to a resistor divider from V_OUT to set the output voltage.
4. EN (Pin 4): Enable pin. A high signal enables the device; a low signal disables it.
5. SW (Pin 5): Switch pin. Connects to the inductor and is the switching node.
6. V_IN (Pin 6): Input voltage pin. Connects to the input power source.
The MCP1642BT-50I/MC is suitable for applications requiring efficient voltage boost with a fixed output of 5V.