Overview
The LTM4623IY#PBF, produced by Analog Devices Inc., is a highly integrated 3A step-down switching mode µModule (micromodule) regulator. This device is packaged in an ultrathin 6.25mm × 6.25mm × 1.82mm LGA or 6.25mm × 6.25mm × 2.42mm BGA package, making it ideal for space-constrained applications. The LTM4623 includes the switching controller, power FETs, inductor, and support components, simplifying the design process and reducing the overall footprint on the PCB.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Voltage Range | 4 | - | 20 | V |
| Input Voltage with External Bias | 2.375 | - | 20 | V |
| Output Voltage Range | 0.6 | - | 5.5 | V |
| Output Current | - | - | 3 | A |
| Total DC Output Voltage Error | - | - | ±1.5% | % |
| Operating Temperature Range | -40 | - | 125 | °C |
| Oscillator Frequency | - | 1 | - | MHz |
| Internal VCC Voltage | 3.1 | 3.3 | 3.4 | V |
Key Features
- High efficiency design delivering 3A continuous output current.
- Current mode control with fast transient response to line and load changes.
- Low EMI, compliant with EN55022 Class B.
- External frequency synchronization and multiphase operation with current sharing.
- Output voltage tracking and selectable discontinuous mode operation.
- Power good indicator and fault protection features including overvoltage, overcurrent, and overtemperature protection.
- Ultrathin package options: LGA (6.25mm × 6.25mm × 1.82mm) and BGA (6.25mm × 6.25mm × 2.42mm).
- RoHS compliant terminal finish available.
Applications
- Telecom, Datacom, and Networking equipment.
- Industrial equipment.
- Data storage rack units and cards.
- PCIe and backside PCB mounting applications.
Q & A
- What is the input voltage range of the LTM4623IY#PBF?
The input voltage range is from 4V to 20V, or 2.375V to 20V with an external bias supply. - What is the output voltage range of the LTM4623IY#PBF?
The output voltage range is from 0.6V to 5.5V, set by a single external resistor. - What is the maximum output current of the LTM4623IY#PBF?
The maximum output current is 3A. - Does the LTM4623IY#PBF support external frequency synchronization?
Yes, it supports external frequency synchronization. - What are the package options for the LTM4623IY#PBF?
The package options are ultrathin LGA (6.25mm × 6.25mm × 1.82mm) and BGA (6.25mm × 6.25mm × 2.42mm). - Is the LTM4623IY#PBF RoHS compliant?
Yes, it is available with RoHS compliant terminal finish. - What kind of fault protection does the LTM4623IY#PBF offer?
The device offers overvoltage, overcurrent, and overtemperature protection. - What is the operating temperature range of the LTM4623IY#PBF?
The operating temperature range is from -40°C to 125°C. - Does the LTM4623IY#PBF support multiphase operation?
Yes, it supports multiphase operation with current sharing. - Is the LTM4623IY#PBF compliant with any EMI standards?
Yes, it is compliant with EN55022 Class B for low EMI.
