Allicdata Part #: | 1589-1528-2-ND |
Manufacturer Part#: |
MP1517DR-LF-Z |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Monolithic Power Systems Inc. |
Short Description: | IC REG MULT CONFIG ADJ 4A |
More Detail: | Boost, Flyback, SEPIC Switching Regulator IC Posit... |
DataSheet: | MP1517DR-LF-Z Datasheet/PDF |
Quantity: | 5000 |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Function: | Step-Up, Step-Up/Step-Down |
Output Configuration: | Positive |
Topology: | Boost, Flyback, SEPIC |
Output Type: | Adjustable |
Number of Outputs: | 1 |
Voltage - Input (Min): | 2.6V |
Voltage - Input (Max): | 25V |
Voltage - Output (Min/Fixed): | 3.3V |
Voltage - Output (Max): | 25V |
Current - Output: | 4A |
Frequency - Switching: | 1.1MHz |
Synchronous Rectifier: | No |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | 16-VDFN Exposed Pad |
Supplier Device Package: | 16-QFN (4x4) |
Description
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PMIC - Voltage Regulators - DC DC Switching Regulators
The MP1517DR-LF-Z is a high-efficiency buck-boost switching regulator that combines the advantages of both buck and boost solutions. Its internal buck-boost switch enables steady voltage output and high efficiency. This makes it ideal for applications that require either guaranteed step-up or step-down operation over a wide input voltage range. As an example, the MP1517DR-LF-Z can be used to power a DC-DC regulator in a communication or industrial system.The MP1517DR-LF-Z operates in fixed frequency current mode control. This type of control simplifies the design of the loop compensation and offers superior line and load regulation across a full range of load conditions. It also provides both voltage and current protection features, making it suitable for a wide range of applications.When used as part of a DC-DC regulator, the MP1517DR-LF-Z receives both the input voltage and the load current from the output of the DC-DC regulator. The MP1517DR-LF-Z then takes these inputs and adjusts its output voltage (which is connected to the feedback net) to maintain regulation over the entire operating range. The output voltage is maintained by controlling the duty cycle of the internal switch.The MP1517DR-LF-Z operates in a continuous conduction mode (or "overlap mode"). In this mode, the internal power switches are always active. At light load, the duty cycle is reduced and the peak current flows through both switches simultaneously. This overlap reduces losses and keeps the output ripple within the specified limits.The MP1517DR-LF-Z can also be used in boost mode. In this application, the input voltage is stepped up to the desired voltage level. The duty cycle of the internal switch is adjusted to maintain regulation across the entire operating range.The MP1517DR-LF-Z uses low RDS(ON) power switches to reduce power loss. These switches can handle up to 1.5A of continuous load current with minimal loss. In addition, the package has an enable input that allows the user to shut down the regulator in the power-saving standby mode.Overall, the MP1517DR-LF-Z is an extremely efficient, easy to use, and cost effective solution for applications that require adjustable DC input voltage from wide input voltage ranges. It is suited for fixed or adjustable output voltage applications where high efficiency, low power loss, and reliability are a must.The specific data is subject to PDF, and the above content is for reference
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