AP3503MPTR-G1 Allicdata Electronics
Allicdata Part #:

AP3503MPTR-G1-ND

Manufacturer Part#:

AP3503MPTR-G1

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Diodes Incorporated
Short Description: IC REG BUCK ADJ 3A SYNC
More Detail: Buck Switching Regulator IC Positive Adjustable 0....
DataSheet: AP3503MPTR-G1 datasheetAP3503MPTR-G1 Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Voltage - Input (Max): 18V
Supplier Device Package: 8-PSOP
Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C (TA)
Synchronous Rectifier: Yes
Frequency - Switching: 340kHz
Current - Output: 3A
Voltage - Output (Max): 16.2V
Voltage - Output (Min/Fixed): 0.925V
Series: --
Voltage - Input (Min): 4.5V
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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AP3503MPTR-G1 is a high efficiency and high performance DC-DC switching regulator, designed for mobile and other low-power applications. This device adopts a fully integrated, monolithic, and synchronous buck architecture, providing an ultra-low, fixed switch voltage and a wide input voltage range. The AP3503MPTR-G1 offers programmable switching frequency (200 kHz to 1 MHz) and output current limit protection, enabling it to be easily used in many demanding DC-DC applications.

The AP3503MPTR-G1 implements the synchronous buck converter topology and comes in a 3x3.4mm, lead-free and RoHS compliant QFN package with an integrated inductor. Its internal high-side MOSFET can provide up to 5A of continuous output current at high efficiency. Furthermore, the AP3503MPTR-G1 offers an input voltage range from 2.5V to 5.5V, supporting various battery inputs. It also provides programmable switching frequency from 200kHz to 1MHz and programmable output voltage for voltage customization.

The working principle of the AP3503MPTR-G1 revolves around the concepts of inductors and capacitors. An inductor is a device that stores energy in the form of a magnetic field; when the current passing through the inductor increases, the magnetic field increases, thus storing more energy. A capacitor is a device that stores energy in the form of an electric field; when the voltage across the capacitor increases, the electric field increases, storing more energy. When these two components are placed in series, they form a basic DC-DC switching regulator circuit. When the device is switched on, the current passing through the inductor increases, storing energy. When the device is switched off, the stored energy is released, providing a regulated output voltage. This is the essence of how a DC-DC switching regulator works.

The AP3503MPTR-G1 provides excellent performance with its high efficiency and wide input voltage range. It was designed for mobile and other low-power applications, and it is ideal for providing stable output voltage for equipment such as smartphones, digital cameras and notebooks. Its integrated inductor and ultra-low, fixed switch voltage help reduce BOM costs and external losses, enabling more power savings. Furthermore, its programmable switching frequency and output current limit protection help increase system reliability, ensuring the device is accurately configured for each specific application.

In summary, the AP3503MPTR-G1 is a high efficiency and high performance DC-DC switching regulator designed for mobile and other low-power applications. It is designed to provide stable output voltage and easy adjustment of the DC-DC converter for optimized performance. Its wide input voltage range, programmable switching frequency, and output current limit protection ensure high system reliability and stability. Its integrated inductor and low, fixed switch voltage help reduce BOM costs, enabling more power savings.

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

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