Allicdata Part #: | LTM8055IY-ND |
Manufacturer Part#: |
LTM8055IY |
Price: | $ 35.88 |
Product Category: | Power Supplies - Board Mount |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC MOD BUCK REG 36VIN 121BGA |
More Detail: | Non-Isolated PoL Module DC DC Converter 1 Output 1... |
DataSheet: | LTM8055IY Datasheet/PDF |
Quantity: | 19 |
Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
Moisture Sensitivity Level (MSL): | 3 (168 Hours) |
1 +: | $ 32.60880 |
25 +: | $ 30.29220 |
100 +: | $ 25.74900 |
Specifications
Voltage - Output 1: | 1.2 ~ 36 V |
Voltage - Output 2: | -- |
Voltage - Output 3: | -- |
Current - Output (Max): | 8.5A |
Applications: | ITE (Commercial) |
Features: | OTP |
Operating Temperature: | -40°C ~ 125°C |
Efficiency: | 97.5% |
Mounting Type: | Surface Mount |
Package / Case: | 121-BBGA Module |
Size / Dimension: | 0.59" L x 0.59" W x 0.19" H (15.0mm x 15.0mm x 4.9mm) |
Supplier Device Package: | 121-BGA (15x15) |
Base Part Number: | LTM8055 |
Series: | µModule® |
Packaging: | Tray |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Non-Isolated PoL Module |
Number of Outputs: | 1 |
Voltage - Input (Min): | 5V |
Voltage - Input (Max): | 36V |
Description
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DC DC Converters: LTM8055IY Application Field and Working Principle
DC-DC converters are a vital part of today’s technology. Their use ranges from industrial, consumer, and automotive applications. DC-DC converters are used in many different areas, and their variety of application fields reflects the variety of methods and sources used to create power. In this article, we will be exploring the application field and working principle of the LTM8055IY DC-DC converter.The LTM8055IY is a high-efficiency, pin-selectable wide-input voltage, high-density step-down polymer μModule (power module) DC-DC converter. It is a robust, space-saving device designed for stringent requirements in industrial, medical, and automotive applications. The device is designed for transconductance control and is enabled by a low duty-cycle external control loop. It provides a compact solution that drives synchronous rectifier buck switches with minimal external components.The LTM8055IY has a wide range of input voltages, from 4.5 V to 60 V, which can be used to effectively step down the voltage and obtain selectable output voltages of 0.9 V to 5.5 V. It also has adjustable output voltage settings for automated buck switching systems. It has an adjustable switching frequency up to 2 MHz to minimize inductors and supported by a comprehensive suite of protection features, from static and dynamic overvoltage protection (OVP) to reverse current protection, to overtemperature shutdown. The device also features an overvoltage spike and overvoltage ripple immunity effect. This makes the device reliable and robust over long-term use in applications that demand high safety and reliability.The device\'s working principle is based on a synchronous rectification buck switching system. This system is composed of two active power switches (an N-channel power switch and a P-channel power switch), a small-signal controller, two current sense resistors, an output filter diode, and a bypass capacitor. The core of the system is the small-signal controller, which provides all the necessary control signals for the P and N-channel power switches, as well as providing the voltage error signal for controlling the output voltage.When the small-signal controller receives the input voltage, it applies a pulse width modulation (PWM) signal to the P and N-channel power switches, which causes them to turn on for a certain time proportional to a set duty cycle. The switches will then conduct currents for that duration of time. The current sense resistor converts the average inductor current into a voltage, which is then fed into the small-signal controller to be used as a feedback signal for the output voltage regulation.At the same time, the inductor stores energy in the form of a magnetic field, while the output capacitor smooths out the output voltage ripple to ensure a steady current flow. The output diode prevents the inductor from discharging through the controller while the switch is off. The LTM8055IY allows designers to configure the output of the regulator according to their application’s needs. DC-DC converters are becoming increasingly important in our technological world, and the LTM8055IY is just one example of a highly efficient, reliable, and space-saving device. It is designed for applications with tight design space requirements, high efficiency and tight regulation accuracy. Its wide range of input voltages, adjustable output voltages, and its comprehensive protection features make it a great choice for industrial, medical, and automotive applications.The specific data is subject to PDF, and the above content is for reference
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