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LTM4644IY
+BOMDC DC CONVERTER 4X0.6-5.5V
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ManufacturerAnalog Devices Inc.
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Mfr. Part #LTM4644IY
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Datasheet LTM4644IY DataSheet
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In Stock5260
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Specifications
| Attribute | Value |
| Series | µModule® |
| PartStatus | Active |
| Type | Non-Isolated PoL Module |
| NumberofOutputs | 4 |
| Voltage-Input(Min) | 4V |
| Voltage-Input(Max) | 14V |
| Voltage-Output1 | 0.6 ~ 5.5V |
| Voltage-Output2 | 0.6 ~ 5.5V |
| Voltage-Output3 | 0.6 ~ 5.5V |
| Voltage-Output4 | 0.6 ~ 5.5V |
| Current-Output(Max) | 4A, 4A, 4A, 4A |
| Applications | ITE (Commercial) |
| Features | OCP, OTP, OVP |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 77-BBGA Module |
| Size/Dimension | 0.59" L x 0.35" W x 0.20" H (15.0mm x 9.0mm x 5.0mm) |
| SupplierDevicePackage | 77-BGA (15x9) |
| BaseProductNumber | LTM4644 |
Overview
Description
Key features include a wide input voltage range, typically from 4V to 14V, and each output can deliver up to 4A, supporting a total of up to 16A across all outputs. It offers precise output voltage regulation, fast transient response, and excellent thermal performance. Additionally, the LTM4644IY includes protection features such as overcurrent, overvoltage, and thermal shutdown to enhance reliability.
Its compact package and ease of use make it ideal for space-constrained applications, such as industrial, communication, and computing systems, where multiple power rails are needed. The module's flexibility, efficiency, and robustness help streamline design processes and improve system performance.
Equivalent
1. TI TPSM846C24 – A power module with a similar step-down function.
2. Maxim MAXM17532 – A high-efficiency power module.
3. Murata MYMGK series – Compact DC/DC power modules.
4. Vicor PI3741 – A high-density DC/DC converter.
These alternatives may vary in specifications like current capacity and footprint, so it's important to match the exact requirements of your application.
Features
1. Quad Output Channels: The module provides four independent output channels, each capable of delivering up to 4A of current with a wide input voltage range.
2. Compact Package: Housed in a small 9mm x 15mm x 5.01mm BGA package, it is suitable for space-constrained designs.
3. High Efficiency: With synchronous rectification, the module offers high efficiency across a broad load range, minimizing power loss.
4. Wide Input Voltage Range: Supports an input voltage range from 4V to 14V, allowing for flexibility in power source selection.
5. Precision Voltage Regulation: Delivers precise output voltage regulation, critical for sensitive digital and analog electronics.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and input voltage UVLO for reliability and robust operation.
7. Ease of Use: Minimal external components are required for operation, simplifying the design process.
These features make the LTM4644IY suitable for applications such as telecommunications, industrial equipment, and high-density computing systems.
Pinout
The main functions of the LTM4644IY include:
1. Quad Output: It provides four independent buck regulator outputs, allowing for multiple voltage rails from a single module.
2. High Efficiency: The module is designed for high efficiency, achieving up to 94% efficiency depending on the operating conditions.
3. Wide Input Voltage Range: It supports input voltage ranges typically from 4V to 14V, making it versatile for various applications.
4. Current Sharing: Outputs can be paralleled for higher current applications, offering flexibility in load requirements.
5. Adjustable Output Voltages: Each output voltage is adjustable via external resistors.
6. Protection Features: Includes overcurrent, overvoltage, and thermal shutdown protection to ensure robust operation.
This module is well-suited for applications in telecom, networking, and computing, where space and power efficiency are critical.