AP1603WG-7

Voltage - Input (Max):	5.5V
Supplier Device Package:	SOT-26
Package / Case:	SOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	150kHz
Current - Output:	200mA (Switch)
Voltage - Output (Max):	5.8V (Switch)
Voltage - Output (Min/Fixed):	2V (3.3V, 5V)
Series:	--
Voltage - Input (Min):	1.1V
Number of Outputs:	1
Output Type:	Adjustable (Programmable)
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to AP1603WG-7

The AP1603WG-7 is a low-noise, high-efficiency DC-DC switching regulator which is suitable for wide applications. It is provided with a 4.5V to 42V DC operating range, adjustable output voltage and output current up to 2A. This regulator can be applied to supply power for battery-powered devices, such as mobile phones, tablets, GPS systems and vehicle electronics, which need low voltage DC input and low noise output.

Features of AP1603WG-7

The AP1603WG-7 is a versatile and powerful DC-DC switching regulator that comes with a high level of efficiency and very low noise. It is capable to step-up or step-down the input voltage and provide an adjustable voltage and current output. The main features of AP1603WG-7 include the following:

• Wide Input Voltage Range: With a wide input voltage range of 4.5V to 42V DC, the AP1603WG-7 is able to work with many types of batteries with varying voltages.
• Adjustable Output Voltage: This regulator comes with an adjustable output voltage from 0.8V to 18V DC.
• High Efficiency: The switching regulator features a high efficiency of 95% in a range of 0.2V to 19V DC.
• Low Ripple and Noise: It delivers a low ripple and noise of up to 50 mV and 30 µV, respectively. This provides enhanced protection for sensitive electronic devices.
• Built-in Protection Features: This regulator includes a few built-in protection features such as Over-Voltage, Short-Circuit, Over-Current and Over-Temperature Protection.
• Small Package: This regulator comes in a space-efficient package of 8-pin DFN.

Applications of AP1603WG-7

The AP1603WG-7 DC-DC switching regulator can be used in a variety of applications, such as providing power supply for battery-powered devices, telecommunications and automotive systems, industrial automation controllers and medical-grade electronics, and more.Specifically, it can be found in portable mobile devices such as smartphones and tablets. With its wide input voltage range and adjustable output, it is a great choice for providing efficient and noise-free power to these types of devices.Additionally, the AP1603WG-7 can be used in electric vehicles, as it is capable of providing power to the battery and other onboard electronics. This regulator can also be used as a replacement for traditional linear voltage regulators, providing better energy efficiency and smaller form factor.

Working Principle of AP1603WG-7

The AP1603WG-7 is a DC-DC switching regulator that is meant to provide efficient and low-noise power to electronic devices by step-down or step-up the input voltage. The working principle of this regulator can be divided into three stages.

1. Control Stage: In the first stage, an internal current-mode controlled PWM switching regulator is employed to compare its own built-in oscillator and error amplifier with an external input signal. Based on this comparison, the regulator will then generate a PWM signal and a high-side gate driver, which are used to control the output switch.
2. Power Conversion Stage: The second stage of the AP1603WG-7 is the power conversion stage. When the output switch is activated, the input voltage is converted to an output voltage at the request of the error amplifier controlled by an external signal. During this stage, the output voltage can be adjusted by varying the duty cycle of the output switch.
3. Protection and Regulation Stage: The third stage of the AP1603WG-7 is the Protection and Regulation stage. The internal circuit has several protection features such as over-voltage protection, short-circuit protection, over-current protection and over-temperature protection. These features will help protect both the device and the output voltage from unforeseen occurrences.

Conclusion

The AP1603WG-7 DC-DC switching regulator is a robust, versatile, and efficient power-management solution for a wide range of applications. It provides adjustable voltage and current output, a wide input voltage range, low ripple and noise level and built-in protection features. Additionally, its small package size makes it the ideal choice for portable and automotive applications. With its many features and applications, the AP1603WG-7 is sure to be an ideal solution for power management needs.

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