Overview
The LTM4670IY#PBF is a quad DC/DC step-down μModule® regulator produced by Analog Devices Inc. This powerful and efficient device offers 10A of output current per channel and can be configured to parallel outputs for up to 40A capability. The LTM4670IY#PBF integrates the switching controller, power MOSFETs, inductor, and all necessary support components, simplifying the design and integration process for engineers. It operates over an input voltage range of 2.25V to 5.5V and can set output voltages from 0.5V to VIN using a single external resistor. This regulator is particularly suited for high-current power supplies in industrial systems due to its high efficiency and robust fault protection features.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Outputs | 4 |
| Input-Output Type | DC/DC |
| Output Voltage (V) | 0.5 to 5.5 |
| Output Current per Channel | 10A |
| Input Voltage Range | 2.25V to 5.5V |
| Package/Case | BGA-162 |
| Pin Count | 162 |
| Operating Temperature Range | -40°C to 125°C |
| RoHS Status | Compliant |
| Efficiency | High Efficiency Design |
| Default Frequency | 2MHz (synchronizable from 1MHz to 2.6MHz) |
Key Features
- Fully compliant with UL, CUL, and TUV requirements
- Pulse-Skipping Mode for improved efficiency
- Suitable for high-current power supplies in industrial systems
- Wide operating temperature range: -40°C to 125°C
- Fully protected against overcurrent and short-circuit conditions
- No minimum load requirement
- Silent Switcher®2 architecture for low EMI and high efficiency
- Configurable output array for up to 40A output current
Applications
The LTM4670IY#PBF is ideal for various high-current power supply applications, particularly in industrial systems. Its high efficiency, low EMI, and robust fault protection make it suitable for a wide range of uses, including:
- High-efficiency power supplies
- Industrial control systems
- Automated manufacturing equipment
- High-performance computing and data storage systems
Q & A
- What is the output current per channel of the LTM4670IY#PBF?
The output current per channel is 10A, and outputs can be paralleled for up to 40A capability. - What is the input voltage range of the LTM4670IY#PBF?
The input voltage range is from 2.25V to 5.5V. - How is the output voltage set on the LTM4670IY#PBF?
The output voltage can be set from 0.5V to VIN using a single external resistor. - What is the operating temperature range of the LTM4670IY#PBF?
The operating temperature range is -40°C to 125°C. - Is the LTM4670IY#PBF RoHS compliant?
Yes, the LTM4670IY#PBF is RoHS compliant. - What is the default switching frequency of the LTM4670IY#PBF?
The default switching frequency is 2MHz, but it can be externally synchronized from 1MHz to 2.6MHz. - Does the LTM4670IY#PBF have built-in fault protection features?
Yes, it includes overvoltage, overcurrent, and overtemperature protection. - What is the package type of the LTM4670IY#PBF?
The package type is BGA-162. - Is there a minimum load requirement for the LTM4670IY#PBF?
No, there is no minimum load requirement. - What architecture does the LTM4670IY#PBF use for low EMI and high efficiency?
The LTM4670IY#PBF uses the Silent Switcher®2 architecture.
