BU90054GWZ-E2 Integrated Circuits (ICs) |
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Allicdata Part #: | BU90054GWZ-E2TR-ND |
Manufacturer Part#: |
BU90054GWZ-E2 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ROHM Semiconductor |
Short Description: | IC REG BUCK 1.8V 1A SYNC 30UCSP |
More Detail: | Buck Switching Regulator IC Positive Fixed 1.8V 1 ... |
DataSheet: | BU90054GWZ-E2 Datasheet/PDF |
Quantity: | 1000 |
Voltage - Input (Max): | 5.5V |
Supplier Device Package: | UCSP30L1 |
Package / Case: | 6-XFBGA, CSPBGA |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C (TA) |
Synchronous Rectifier: | Yes |
Frequency - Switching: | 4.8MHz ~ 6MHz |
Current - Output: | 1A |
Voltage - Output (Max): | -- |
Voltage - Output (Min/Fixed): | 1.8V |
Series: | -- |
Voltage - Input (Min): | 2.3V |
Number of Outputs: | 1 |
Output Type: | Fixed |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Part Status: | Not For New Designs |
Packaging: | Tape & Reel (TR) |
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PMIC - Voltage Regulators - DC DC Switching Regulators
BU90054GWZ-E2 is a high-efficiency, wide input range, single-channel integrated synchronous step-down switching regulator. It contains a state-of-the-art 60V Buck P-Channel MOSFET, which provides maximum efficiency, best-in-class transient response, low RDS(on) and low ESR. The device also features a low quiescent current for better light load performance and a wide operating temperature range for superior reliability in demanding applications.
This product can provide an output voltage from 0.6V to 5.5V adjustable and rated output current of 1.2A with fast load transients. It also offers tight load and line regulation for low-noise applications and over temperature protection.
Application Field
The versatile synchronous switching regulator is extremely suitable for a wide range of applications and industrial devices, such as digital cameras, automotive power systems, and portable media player. The synchronous step-down application helps to reduce component count, board area, and complexity, making it ideal for space limited design. It is also an E-marker compliant component, meaning that it meets the automotive industry standard.
Working Principle
The BU90054GWZ-E2 mainly consists of a control circuit, a P-channel driver and a power MOSFET as the switching elements. It is a synchronous step-down regulator, meaning it reduces the input voltage and supplies the load in the form of a DC voltage. To achieve the output voltage, a P-Channel MOSFET, driven by a control circuit, starts switching with operating frequency that can be adjusted by an external resistor. The current in the load is proportional to the ON-time of the switch, which is determined by the difference between input and output voltage. By analytically controlling the ON-time of the MOSFET, the output voltage is regulated to the desired level for the load.
The synchronous step-down switching regulator provides efficient power conversion up to 90% typical. The E2 version of BU90054GWZ has an integrated low-side MOSFET and can be easily configured to gain higher energy efficiency.
Summary
The BU90054GWZ-E2 regulator provides an output voltage from 0.6V to 5.5V adjustable and rated output current of 1.2A with fast load transients. Its excellent efficiency, low quiescent current, wide operating temperature range, and E-marker compliant component make it an ideal solution for various applications such as automotive power systems and digital cameras. Moreover, its synchronous step-down switching regulator helps to reduce component count, board area, and complexity.
The specific data is subject to PDF, and the above content is for reference
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