| Allicdata Part #: | EL7554IREZ-T13-ND |
| Manufacturer Part#: |
EL7554IREZ-T13 |
| Price: | $ 2.52 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Intersil |
| Short Description: | IC REG BUCK ADJ 4A SYNC 28HTSSOP |
| More Detail: | Buck Switching Regulator IC Positive Adjustable 0.... |
| DataSheet: |  EL7554IREZ-T13 Datasheet/PDF |
| Quantity: | 1000 |
| 2500 +: | $ 2.29320 |
Specifications
| Voltage - Output (Min/Fixed): | 0.8V |
| Base Part Number: | EL7554 |
| Supplier Device Package: | 28-HTSSOP |
| Package / Case: | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Synchronous Rectifier: | Yes |
| Frequency - Switching: | 200kHz ~ 1MHz |
| Current - Output: | 4A |
| Voltage - Output (Max): | 6V |
| Series: | -- |
| Voltage - Input (Max): | 6V |
| Voltage - Input (Min): | 3V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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EL7554IREZ-T13 is a type of DC DC switching regulator, a component part of a PMIC (Power Management Integrated Circuit). It is a configurable, highly integrated 4th generation power management device, capable of providing efficient, robust and high quality power conversion. DC DC switching regulators are used to provide power in varied situations where the amount of power may change over time, and the device must be able to accommodate such fluctuations. By having the ability to adjust the output power under severe conditions, these switching regulators are capable of providing reliable power when needed.The EL7554IREZ-T13\'s primary application field is a mobile device, specifically a mobile phone. The component provides advanced power management and control of multiple rails. It is designed to be used in conjunction with a PMIC controller, to achieve optimal power efficiency of multiple power rails, including three different voltage ranges. With this device, a system designer can analyze data and power usage at different stages, to manage and optimize system performance.In terms of its working principle, the EL7554IREZ-T13 is a digital part, meaning it is configured with a microcontroller before regular operation can start. It uses two different constraints to set the power level, included in the design of the component. These constraints limit of maximum regulated output voltage and maximum load current capability. The component also offers an optional voltage divider to aid in setting the desired output voltage level.The working principle of the EL7554IREZ-T13 can be better understood with its block diagram, which consists of five main parts. These are the start up block, error amplifier block, gate pulse width modulation (PWM) block, output voltage feedback voltage block, and power stage block.The start up block is an essential part of the DC DC switching regulator\'s operation. This block provides an adjustable voltage and current reference, and performs the operations required to start the regulator and regulate the output voltage. It obtains its reference voltage from the regulated control of the PWM and provides control of the output voltage, as well as controlling the power stage.The error amplifier block is responsible for measuring the voltage across the output and comparing it to the reference voltage set by the start up block. The error amplifier is also the primary interface between the start up block and the PWM (also known as an integrator). When the output voltage deviates from the set point, the error amplifier sends an error signal to the PWM, which adjusts the duty cycle of the power stage.The PWM block is essentially a timer, which outputs pulse-width modulated signals to the power stage. These signals are then amplified and used to modulate the output voltage. The output from the PWM block is also used to control the power stage, which then modulates the voltage and current for the regulator\'s output.The output voltage feedback voltage block takes the output voltage signals from the power stage and sends these back to the PWM, to be compared against the reference voltage set by the start up block. The feedback system is also used to adjust the output voltage, by controlling the duty cycle of the power stage.The power stage block is the part of the DC DC switching regulator that actually converts the incoming voltage to the desired output voltage. It comprises the inductance, switches, and the capacitor components. The switches are the gates that are opened and closed to control the output voltage, and the capacitors are used to store energy. The inductance is necessary to stabilize the converter and to reduce ripple.The EL7554IREZ-T13 is a highly advanced DC DC switching regulator, used for controlled, efficient and reliable power management. As part of an integrated circuit, it provides advanced control of multiple power rails, accurate output voltage and current control, and good efficiency. It requires precise input and output power management, making it ideal for use in mobile phones and other devices where small, efficient power sources are required.
The specific data is subject to PDF, and the above content is for reference
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