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Microchip 5-Channel Step-Down Buck Converter 1 A 24V 575kHz TDFN 8-Pin MCP16311T-E/MNY
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 750μm |
| Length | 3mm |
| Model | MCP16311T-E/MNY |
| Width | 2mm |
| Mount Type | Surface |
| Output type | Adjustable |
| Series | MCP16311 |
| Output Current | 1A |
| Maximum Operating Temperature | 125°C |
| Package Type | TDFN |
| Input Voltage Range | 4.4V to 30V |
| Load Regulation | 0.25 % |
| Minimum Operating Temperature | -40°C |
| Polarity | Positive |
| Regulator Type | Step-Down |
| Switching Frequency | 575kHz |
| Number of outputs | 5 |
| Maximum Input Voltage | 30V |
| Output Voltage | 24V |
| Quiescent Current | 90μA |
| Line Regulation | 0.15 %/V |
| Output Voltage Range | 2.0V to 24V |
| Minimum Input Voltage | 4.4V |
| Pin Count | 8 |
| Automotive Standard | AEC-Q100 |
| Qualification | AEC-Q100 Rev. G, Grade 1 (-40°C to 125°C) |
| Low Device Shutdown Current | 3 μA typical |
| Stable Reference Voltage | 0.8V |
| Low Device Quiescent Current | 44 μA (non-switching, PFM Mode) |
| Internal Soft-Start | 300 μs (EN low-to-high) |
Key Features
- Operates efficiently up to 95% for power management applications.
- Input voltage range from 4.4V to 30V supports various power sources.
- Integrated high-side and low-side switches with internal compensation.
- Fixed switching frequency of 575 kHz enables compact design.
- Low quiescent current of 90μA helps conserve power in low load conditions.
- Protected against over-temperature, under-voltage lockout, and peak current limits for reliability.
- Durable TDFN 8-pin package measuring 3 mm by 2 mm with 750μm height.
- Qualification to AEC-Q100 Grade 1 for automotive use with extended temperature range (-40°C to 125°C).
Product Description
Microchip MCP16311T-E/MNY is a 5-channel step-down (buck) DC-DC converter designed for efficient power management in industrial, automotive, and electronic applications. The device operates from an input voltage range of 4.4V to 30V and supports adjustable output voltages up to 24V with an output current capacity of 1A per channel.
This synchronous buck converter integrates high-side and low-side N-channel switches with fixed frequency peak current mode control, simplifying power designs by including internal compensation and a 300 μs soft-start feature. It offers high efficiency up to 95%, low quiescent current, and protection features such as cycle-by-cycle peak current limiting, under-voltage lockout, and over-temperature shutdown, ensuring robust operation under various conditions.
The device is supplied in a compact TDFN 8-pin package with dimensions 3 mm length, 2 mm width, and 750 μm height, enabling space-saving layouts. Its automotive qualification to AEC-Q100 Rev. G, Grade 1, certifies its suitability for demanding temperature environments (-40°C to 125°C).
Key technical features include a stable 0.8V reference voltage, automatic pulse frequency modulation and pulse-width modulation (PFM/PWM) operation modes, and low shutdown current, making it ideal for battery-powered and portable equipment requiring efficient power conversion and multi-channel output control.
Efficient synchronous buck converter with up to 95% efficiency. Input voltage range of 4.4V to 30V suitable for diverse applications. Supports 1A output current per channel with adjustable output voltage. Automatic PFM/PWM operation for power savings across load conditions.
Robust protection including over-temperature shutdown and under-voltage lockout. Compact TDFN 8-pin package supports space-constrained designs. Automotive grade qualification enables use in automotive and industrial environments.
This Microchip DC-DC converter is widely used in electronic manufacturing, automotive electronics, industrial power supplies, and embedded systems requiring reliable, efficient multi-output voltage regulation. Explore the Environmental category for more Power Management ICs and Buck Converters on EnvMart.
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Frequently Asked Questions
The input voltage range for the MCP16311T-E/MNY is from 4.4V to 30V.
This step-down converter features 5 output channels, each capable of delivering up to 1A of current.
The maximum output voltage that this model can provide is 24V.
The switching frequency of this buck converter is fixed at 575 kHz.
The TDFN package of this model measures 3 mm in length, 2 mm in width, and has a height of 750 μm.
It includes protection features such as over-temperature shutdown, under-voltage lockout, and cycle-by-cycle peak current limiting.
The quiescent current for this model is 90μA, helping to conserve power during low load conditions.
The operating temperature range for this device is from -40°C to 125°C, qualifying it for automotive applications.
The load regulation for this converter is specified at 0.25%.
It utilizes automatic pulse frequency modulation and pulse-width modulation (PFM/PWM) operation modes for efficient power management across different load conditions.
The stable reference voltage for the MCP16311T-E/MNY is 0.8V.
This model is designed for surface mounting, suitable for compact layouts.
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