Allicdata Part #: | LTM4642IY-ND |
Manufacturer Part#: |
LTM4642IY |
Price: | $ 27.34 |
Product Category: | Power Supplies - Board Mount |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | DC/DC CNVRTR 2X0.6-5.5V 56BGA |
More Detail: | Non-Isolated PoL Module DC DC Converter 2 Output 0... |
DataSheet: | LTM4642IY Datasheet/PDF |
Quantity: | 146 |
Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
Moisture Sensitivity Level (MSL): | 3 (168 Hours) |
1 +: | $ 24.85350 |
25 +: | $ 20.78170 |
100 +: | $ 17.66520 |
Series: | µModule® |
Packaging: | Tray |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Non-Isolated PoL Module |
Number of Outputs: | 2 |
Voltage - Input (Min): | 4.5V |
Voltage - Input (Max): | 20V |
Voltage - Output 1: | 0.6 ~ 5.5 V |
Voltage - Output 2: | 0.6 ~ 5.5 V |
Voltage - Output 3: | -- |
Current - Output (Max): | 4A, 4A |
Applications: | ITE (Commercial) |
Features: | OCP, OVP, UVLO |
Operating Temperature: | -40°C ~ 125°C |
Efficiency: | -- |
Mounting Type: | Surface Mount |
Package / Case: | 56-BBGA Module |
Size / Dimension: | 0.44" L x 0.35" W x 0.19" H (11.3mm x 9.0mm x 4.9mm) |
Supplier Device Package: | 56-BGA (11.25x9) |
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DC DC Converters: LTM4642IY
The LTM4642IY is an integrated DC-DC converter designed in 65V monolithic silicon, which provides high-efficiency, low noise, and a broad range of features for powering MCU, DSP and other digital logic devices. Utilizing a 4-phase FET topology for efficiency and compact size, this DC-DC converter provides single-stage actuation to eliminate secondary and tertiary control loops and output droop. With its integrated dynamic voltage positioning control loop, the LTM4642IY can actively position the output voltage as needed in applications such as RF/microwave, automotive, computing, and communication power systems. In addition, this device features programmable soft-start times, cycle-by-cycle current limit, overvoltage protection, over current protection, and short-circuit protection.
Application Field of LTM4642IY
The LTM4642IY is a versatile DC-DC converter for high-current applications. It is designed for use in applications such as mobile phone chargers, laptop power supplies, and car audio systems. It can also be used in medical and industrial systems.
Working Principle of LTM4642IY
The LTM4642IY works through a 4-phase FET topology. This topology generator is composed of four high-performance FETs and four control loop controllers. The controller will sample the output voltage and drive the FETs to maintain the output voltage. By driving the FETs at different levels, it can maintain the output voltage within the required range. In addition, this topology provides a wide range of output voltages and current levels.
The device supports active voltage positioning, which allows it to dynamically adjust the output voltage. This feature provides a very stable output response and accurate regulation despite variations in input voltage or load conditions. In addition, this device provides programmable soft start times, overvoltage protection, over current protection, and short-circuit protection.
Conclusion
The LTM4642IY is an integrated DC-DC converter that provides high efficiency, low noise, and a variety of features for digital logic applications. It is designed for use in mobile phone chargers, laptop power supplies, and car audio systems. The 4-phase FET topology ensures high efficiency and wide range of output voltage and current levels, and the active voltage positioning control loop provides a very stable output response and precise voltage regulation.
The specific data is subject to PDF, and the above content is for reference
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