Overview
The LTM4658IV#PBF from Analog Devices Inc. is a high-efficiency, 10A step-down switching mode μModule regulator. This component is designed to operate within a compact 4mm × 4mm × 4.32mm LGA package, making it ideal for space-constrained applications. The LTM4658IV#PBF integrates the switching controller, power MOSFETs, inductor, and all necessary support components into a single package, simplifying the design process and reducing the overall footprint of the power management system.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| VIN (Input DC Voltage) | 2.25 | 5.5 | V | |
| VOUT (Output Voltage Range) | 0.5 | VIN | V | |
| VOUT (DC Output Voltage) | 0.4925 | 0.5 | 0.5075 | V |
| VIN_UVLO (Undervoltage Lockout) | 2.0 | 2.1 | 2.2 | V |
| VIN_UVLO_HYS (Undervoltage Lockout Hysteresis) | 150 | mV | ||
| VRUN (RUN Pin On Threshold) | 0.375 | 0.4 | 0.425 | V |
| Output Current | 10 | A | ||
| Operating Junction Temperature | -40 | 125 | °C | |
| Storage Temperature Range | -55 | 125 | °C | |
| Peak Solder Reflow Body Temperature | 250 | °C |
Key Features
- Silent Switcher 2 Architecture: Reduces EMI noise and enhances efficiency at high switching frequencies.
- High Efficiency: Delivers high efficiency across a wide range of input and output voltages.
- Compact Package: Available in 4mm × 4mm × 4.32mm LGA and 4mm × 4mm × 4.62mm BGA packages.
- Adjustable Output Voltage: Output voltage can be set from 0.5V to VIN using external resistors.
- Current Mode Control: Enables fast transient response to line and load changes without sacrificing stability.
- Multiphase Operation: Supports multiphase parallel current sharing with multiple LTM4658s.
- Output Soft-Start with Voltage Tracking: Facilitates supply rail sequencing.
- External Frequency Synchronization: Allows synchronization with external clocks.
- Fault Protection: Includes overvoltage, overcurrent, and overtemperature protection.
- Pb-Free and RoHS Compliant: Meets environmental standards for lead-free and RoHS compliance.
Applications
- Point of Load (PoL) Power Management: Ideal for powering high-current loads in compact spaces.
- Embedded Systems: Suitable for use in various embedded systems requiring efficient power management.
- Industrial Automation: Can be used in industrial automation systems where high efficiency and reliability are crucial.
- Telecommunications: Applicable in telecommunications equipment for efficient power supply solutions.
- Medical Devices: Used in medical devices where compact, high-efficiency power solutions are necessary.
Q & A
- What is the input voltage range of the LTM4658IV#PBF?
The input voltage range is from 2.25V to 5.5V.
- What is the maximum output current of the LTM4658IV#PBF?
The maximum output current is 10A.
- What is the Silent Switcher 2 architecture in the LTM4658IV#PBF?
The Silent Switcher 2 architecture reduces EMI noise and enhances efficiency at high switching frequencies.
- Can the LTM4658IV#PBF be used in multiphase operations?
Yes, it supports multiphase parallel current sharing with multiple LTM4658s.
- What kind of fault protection does the LTM4658IV#PBF offer?
The LTM4658IV#PBF includes overvoltage, overcurrent, and overtemperature protection.
- Is the LTM4658IV#PBF Pb-Free and RoHS compliant?
Yes, it is Pb-Free and RoHS compliant.
- What is the operating junction temperature range of the LTM4658IV#PBF?
The operating junction temperature range is from -40°C to 125°C.
- Can the output voltage of the LTM4658IV#PBF be adjusted?
Yes, the output voltage can be set from 0.5V to VIN using external resistors..
- What type of package is the LTM4658IV#PBF available in?
The LTM4658IV#PBF is available in 4mm × 4mm × 4.32mm LGA and 4mm × 4mm × 4.62mm BGA packages..
- Does the LTM4658IV#PBF support external frequency synchronization?
Yes, it supports external frequency synchronization..
