Overview
The LTM4655IY#PBF, produced by Analog Devices Inc., is an ultralow noise 40V DC/DC μModule® regulator. This device is designed to meet the radiated emissions requirements of EN55022, making it suitable for applications requiring low electromagnetic interference (EMI). The LTM4655 can operate in dual 4A or single 8A configurations and supports a wide input voltage range of 3.6V to 40V. It features two fully independent channels, each configurable for positive or negative output voltage polarity, and supports a switching frequency range of 250kHz to 3MHz.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Voltage Range | 3.6 | 40 | V | ||
| Output Voltage Range | 0.5 | 26.5 | V | ||
| Output Current (Dual Channel) | 4 | A | |||
| Output Current (Single Channel) | 8 | A | |||
| Switching Frequency Range | 250kHz | 3MHz | |||
| Operating Temperature Range | –40°C | 125°C | |||
| Package Type | BGA (16mm × 16mm × 5.01mm) |
Key Features
- Ultralow noise operation, making it suitable for sensitive applications.
- Dual 4A or single 8A output configurations.
- Wide input voltage range up to 40V.
- Two fully independent channels, each configurable for positive or negative output voltage polarity.
- Compliant with EN55022 Class B radiated emissions requirements.
- Switching frequency range of 250kHz to 3MHz.
- Operating temperature range from –40°C to 125°C.
- Available in RoHS compliant and SnPb terminal finishes.
Applications
- Dual 4A/Single 8A low EMI switch mode power supplies.
- Systems requiring compliance with EN55022 Class B radiated emissions standards.
- Applications needing independent positive or negative output voltage channels.
- High-reliability industrial, medical, and aerospace systems.
Q & A
- What is the input voltage range of the LTM4655IY#PBF?
The input voltage range is from 3.6V to 40V.
- What are the output current configurations for the LTM4655IY#PBF?
The device can operate in dual 4A or single 8A configurations.
- Is the LTM4655IY#PBF compliant with any specific EMI standards?
Yes, it is compliant with EN55022 Class B radiated emissions requirements.
- What is the switching frequency range of the LTM4655IY#PBF?
The switching frequency range is from 250kHz to 3MHz.
- What is the operating temperature range of the LTM4655IY#PBF?
The operating temperature range is from –40°C to 125°C.
- What package type is the LTM4655IY#PBF available in?
The device is available in a 16mm × 16mm × 5.01mm BGA package.
- Can the output channels be configured for positive or negative voltages?
Yes, each channel can be configured for positive or negative output voltage polarity.
- Is the LTM4655IY#PBF available in RoHS compliant and SnPb finishes?
Yes, it is available in both RoHS compliant and SnPb terminal finishes.
- What are some typical applications for the LTM4655IY#PBF?
Typical applications include dual 4A/Single 8A low EMI switch mode power supplies, systems requiring EN55022 Class B compliance, and high-reliability industrial, medical, and aerospace systems.
- Where can I find more detailed specifications and datasheets for the LTM4655IY#PBF?
You can find detailed specifications and datasheets on the official Analog Devices website, as well as on distributor websites like Farnell and Mouser.
