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MCP1640T-I/CHY
+Lista de MateriaisIC REG BOOST ADJ 350MA SOT23-6
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FabricanteTecnologia Microchip
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Peça do Fabricante #MCP1640T-I/CHY
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Ficha Técnica MCP1640T-I/CHY DataSheet
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Pacote SOT-23-6
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Up |
| Output Configuration | Positive |
| Topology | Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 0.8V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 2V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 350mA |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include an input voltage range of 0.35V to 5.5V, output voltage adjustable up to 5.5V, and a typical efficiency of around 96%. It provides automatic PFM/PWM switching to maintain high efficiency across varying loads. The MCP1640T-I/CHY also features a true output disconnect option, which isolates the load from the input during shutdown, minimizing quiescent current.
The device is available in a small SOT-23-6 package, making it suitable for portable and space-constrained applications. Typical use cases include powering microcontrollers, RF devices, and other digital circuits requiring a stable voltage from varying battery input levels.
Equivalent
1. TPS61070 from Texas Instruments
2. LTC3429 from Analog Devices
3. MAX1674 from Maxim Integrated
4. NCP1400 from ON Semiconductor
These components serve similar functions in voltage boosting applications, but it’s important to compare specific features and specifications to ensure full compatibility with your design needs.
Features
1. Wide Input Voltage Range: Operates from 0.35V to 5.5V, making it suitable for single-cell alkaline, NiMH, or Li-Ion batteries.
2. Output Voltage: Capable of achieving a fixed or adjustable output up to 5.5V, depending on the configuration.
3. Efficiency: Delivers high efficiency across a broad load range, optimizing battery life in portable applications.
4. Low Start-Up Voltage: Starts with an input voltage as low as 0.65V, facilitating operation from depleted batteries.
5. Quiescent Current: Consumes very low quiescent current, around 19 µA, which helps in extending battery life during idle periods.
6. Compact Package: Available in a SOT-23-6 package, contributing to space-saving designs.
7. Protection Features: Includes over-temperature protection and inductor current limiting to enhance reliability.
8. Applications: Ideal for battery-powered devices, portable electronics, and energy harvesting applications.
These features make the MCP1640T-I/CHY a versatile and efficient choice for low-power, portable applications.
Pinout
The MCP1640T-I/CHY is available in a 6-pin SOT-23 package. The pin functions are as follows:
1. VOUT: The output voltage pin. It connects to the load and the output capacitor.
2. GND: The ground reference pin for the device.
3. SW: The switch node pin. It connects to the inductor and serves as the main switching node.
4. VIN: The input voltage pin. It connects to the power supply or battery.
5. EN: The enable pin. It is used to turn the regulator on or off. Driving this pin high enables the regulator.
6. FB: The feedback pin. It is used to set the output voltage through an external resistor divider network.
This regulator is suitable for various applications, including portable electronics, where efficient power management is crucial.