LTM4644IY-1#PBF Allicdata Electronics
Allicdata Part #:

LTM4644IY-1#PBF-ND

Manufacturer Part#:

LTM4644IY-1#PBF

Price: $ 30.35
Product Category:

Power Supplies - Board Mount

Manufacturer: Linear Technology/Analog Devices
Short Description: DC DC CONVERTER 4X0.6-5.5V
More Detail: Non-Isolated PoL Module DC DC Converter 4 Output 0...
DataSheet: LTM4644IY-1#PBF datasheetLTM4644IY-1#PBF Datasheet/PDF
Quantity: 550
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
1 +: $ 27.58770
25 +: $ 23.07590
100 +: $ 19.61860
Stock 550Can Ship Immediately
$ 30.35
Specifications
Series: µModule®
Packaging: Tray 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Type: Non-Isolated PoL Module
Number of Outputs: 4
Voltage - Input (Min): 4V
Voltage - Input (Max): 14V
Voltage - Output 1: 0.6 ~ 5.5 V
Voltage - Output 2: 0.6 ~ 5.5 V
Voltage - Output 3: 0.6 ~ 5.5 V
Voltage - Output 4: 0.6 ~ 5.5 V
Current - Output (Max): 4A, 4A, 4A, 4A
Applications: ITE (Commercial)
Features: OCP, OTP, OVP
Operating Temperature: -40°C ~ 125°C
Efficiency: --
Mounting Type: Surface Mount
Package / Case: 77-BBGA Module
Size / Dimension: 0.59" L x 0.35" W x 0.20" H (15.0mm x 9.0mm x 5.0mm)
Supplier Device Package: 77-BGA (15x9)
Description

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DC DC Converters

DC-DC converters allow power supply systems to convert DC power voltage from one level to another. They are used in a variety of different applications and come in a variety of sizes and shapes. The LTM4644IY-1#PBF DC-DC converter is a high power, high efficiency, 4A, 6A and 8A DC-DC converter optimized for applications requiring low-voltage outputs up to 0.7V and high current output up to 8A.

Applications

The LTM4644IY-1#PBF is mainly used in a wide range of applications, such as automotive ECU/MCU, industrial control, LED lighting, robotic control, audio, DSP, and other precision analog systems include low-voltage/high-current power source to supply electric on-board devices.

Working Principle

The LTM4644IY-1#PBF is a highly integrated monolithic, non-isolated, low-voltage/high-current DC-DC converter. It is a step-down type DC-DC converter, capable of delivering up to 8A of output current at a wide input voltage range (from 4.5V to 75V). It is a synchronous constant-current/constant-voltage (CC/CV) type power converter designed to achieve high efficiency.The LTM4644IY-1#PBF contains two efficient and low-ripple synchronous power mosfets, operating in an interleaved configuration, along with control and protection circuitry. The current-mode control architecture minimizes the number of external components. The input voltage is initially buck-converted to the output voltage, and the output current is regulated by an internal reference voltage. The switching frequency is adjustable between 200kHz and 1MHz.

Protection Features

The LTM4644IY-1#PBF contains a number of protection features. The input voltage range is protected by a reverse voltage protection circuit. The switching mosfets are protected from over-current by an internal current limit circuit. The output voltage is protected by an over-voltage protection circuit. The operating temperature range is also monitored and protected from getting too hot or cold.

Other Features

The LTM4644IY-1#PBF also features an enable/disable pin which can be used to turn off the power supply when not in use. It also features a unique "drivable sleep" mode which can reduce the power consumption significantly. The standby current for this unit is typically only 2µA or less. All of these features, along with its small size and high efficiency, make the LTM4644IY-1#PBF an ideal choice for a variety of power supply systems.

The specific data is subject to PDF, and the above content is for reference

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