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Microchip 5-Channel Step-Up Boost Regulator 50 mA 5.5V 630 kHz SOT-23 6-Pin MCP1624T-I/CHY
Specifications
| Country of Origin | Thailand |
|---|---|
| Brand | Microchip |
| Height | 1.3mm |
| Length | 3.1mm |
| Model | MCP1624T-I/CHY |
| Width | 1.8mm |
| Mount Type | Surface |
| Output type | Adjustable |
| Series | MCP1624 |
| Output Current | 50mA |
| Maximum Operating Temperature | 125°C |
| Package Type | SOT-23 |
| Load Regulation | 0.01 %/V |
| Minimum Operating Temperature | -40°C |
| Regulator Type | Step-Up |
| Switching Frequency | 630kHz |
| Number of outputs | 5 |
| Maximum Input Voltage | 5.5V |
| Output Voltage | 5.5V |
| Quiescent Current | 20μA |
| Line Regulation | 0.01 %/V |
| Standards/Approvals | RoHS |
| Minimum Input Voltage | 650mV |
| Pin Count | 6 |
| Low Device Quiescent Current | 19 μA (typical, PFM mode) |
| Adjustable Output Voltage Range | 2.0 V to 5.5 V |
| Low Start Up Voltage | 0.65 V (typical) @ 3.3 V VOUT, 1 mA |
| Low Operating Input Voltage | 0.35 V (typical) @ 3.3 V VOUT, 1 mA |
Key Features
- High efficiency of up to 96% for optimized power consumption.
- Operates with a low start-up voltage of 0.65 V with 1 mA load at 3.3 V output.
- Features low quiescent current of 20 μA for energy-saving operation.
- Adjustable output voltage from 2.0 V to 5.5 V to suit varied applications.
- Includes internal synchronous rectifier for improved energy efficiency.
- Compact surface mount SOT-23 package measuring 3.1mm length by 1.8mm width and 1.3mm height.
- Wide operating temperature range from -40°C to 125°C for industrial environments.
- Incorporates load disconnect mode reducing input current to less than 1 μA when powered down.
Product Description
Microchip MCP1624T-I/CHY is a high-efficiency 5-channel synchronous step-up (boost) DC-DC regulator designed for compact power supply solutions, especially suitable for PIC microcontroller battery-powered applications. The device offers an adjustable output voltage range from 2.0 V to 5.5 V, enabling versatile application requirements with a low input voltage start-up of 0.65 V and a typical quiescent current of 20 μA.
This regulator operates at a fixed switching frequency of 630 kHz, featuring a synchronous P-channel and N-channel switch design for maximum efficiency up to 96%. The MCP1624T-I/CHY includes advanced features such as automatic PFM/PWM operation, internal compensation and protection circuitry, inrush current limiting, and internal soft-start. The device is housed in a small SOT-23 6-pin surface mount package with dimensions 3.1 mm in length, 1.8 mm in width, and 1.3 mm in height, perfectly suited for space-constrained electronic assemblies.
Designed to operate reliably within industrial temperature ranges from -40°C to 125°C, this boost regulator minimizes power consumption with shutdown input current below 1 μA and load disconnect mode for input-to-output isolation. It is RoHS compliant and manufactured in Thailand, ensuring high-quality standards.
High power efficiency up to 96% reduces heat and energy loss. Low start-up voltage allows operation down to 0.65 V input voltage. Adjustable output voltage from 2.0 V to 5.5 V supports flexible design needs. Automatic switching between PFM and PWM modes optimizes performance and noise.
Internal synchronous rectification improves power conversion efficiency. Compact SOT-23 6-pin package enables easy PCB integration. Wide operating temperature range supports industrial and commercial applications. Load disconnect functionality provides minimal leakage during shutdown.
This product is ideal for industrial, laboratory, and consumer electronics applications requiring reliable and efficient voltage boost regulation, such as battery-powered devices, embedded systems, and portable instrumentation. It is suitable for manufacturing and commercial sectors where compact, low-power design is critical.
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Frequently Asked Questions
The maximum output current of this model is 50 mA.
It has an adjustable output voltage range from 2.0 V to 5.5 V.
This unit operates within a temperature range from -40°C to 125°C.
The low start-up voltage is 0.65 V at a 3.3 V output with a 1 mA load.
The switching frequency is fixed at 630 kHz.
It is housed in a compact SOT-23 6-pin surface mount package.
The typical quiescent current is 20 μA in operation.
Yes, it includes an internal synchronous rectifier for improved energy efficiency.
The dimensions are 3.1 mm in length, 1.8 mm in width, and 1.3 mm in height.
The line regulation is specified at 0.01 %/V.
This product is RoHS compliant.
The load regulation is 0.01 %/V.
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