Overview
The LTM4638IY#PBF from Analog Devices is a high-performance, 15A step-down switching mode power module regulator. It is packaged in a compact 6.25mm × 6.25mm × 5.02mm BGA package, making it ideal for space-constrained applications. This µModule regulator offers a complete solution for DC-DC conversion, featuring a wide input voltage range of 3.1V to 20V and an adjustable output voltage from 0.6V to 5.5V. The module includes various protection features such as overvoltage, overcurrent, and overtemperature protection, ensuring reliable operation under diverse conditions.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Input Voltage Range | 3.1V to 20V | V |
| Output Voltage Range | 0.6V to 5.5V | V |
| DC Output Current | 15A | A |
| Output Voltage Error | ±1.5% (Max) | % |
| Oscillator Frequency | 600 kHz | kHz |
| Package Dimensions | 6.25mm × 6.25mm × 5.02mm | mm |
| Operating Temperature Range | –40°C to 125°C | °C |
| Internal VCC Voltage | 3.2V to 3.4V | V |
Key Features
- Differential Remote Sensing Amplifier
- Current Mode Control with Fast Transient Response
- External Frequency Synchronization
- Multiphase Parallel Current Sharing with Multiple LTM4638s
- Output Voltage Tracking
- Selectable Discontinuous Mode
- Power Good Indicator
- Overvoltage, Overcurrent, and Overtemperature Protection
Applications
- Telecom, Datacom, and Networking Equipment
- Industrial Equipment
- Medical Diagnostic Equipment
- Data Storage Rack Units and Cards
- Test and Debug Systems
Q & A
- What is the input voltage range of the LTM4638IY#PBF?
The input voltage range is from 3.1V to 20V.
- What is the maximum DC output current of the LTM4638IY#PBF?
The maximum DC output current is 15A.
- What are the dimensions of the LTM4638IY#PBF package?
The package dimensions are 6.25mm × 6.25mm × 5.02mm.
- What protection features does the LTM4638IY#PBF include?
The module includes overvoltage, overcurrent, and overtemperature protection.
- Can the LTM4638IY#PBF be used in multiphase configurations?
- What is the operating temperature range of the LTM4638IY#PBF?
The operating temperature range is from –40°C to 125°C.
- Does the LTM4638IY#PBF have a power good indicator?
- Can the output voltage of the LTM4638IY#PBF be tracked?
- Is the LTM4638IY#PBF RoHS compliant?
- What is the typical internal VCC voltage of the LTM4638IY#PBF?
The typical internal VCC voltage is 3.3V.
