REG710NA-2.5/3KG4

Voltage - Output (Min/Fixed):	2.5V
Base Part Number:	REG710-25
Supplier Device Package:	SOT-23-6
Package / Case:	SOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	1MHz
Current - Output:	30mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

REG710NA-2.5/3KG4 is a voltage regulator from the PMIC (Power Management Integrated Circuit) family, developed by ON Semiconductor, and is categorized under their DC DC Switching Regulators. This voltage regulator is mainly used in battery-based personal electronics with the capability of providing clean, stable power with high efficiency.

Overview

REG710NA-2.5/3KG4 is designed to provide a solution to low power applications that require a low-noise, low-ripple, high-efficiency power supply. This device is intended to be used in battery-based, portable electronic systems as a voltage regulator to supply the clean, stable, power for the system components.

Features

REG710NA-2.5/3KG4 provides a wide array of features that makes it attractive and suitable for the applications it is designed for. These features include a wide input voltage range (2.5V – 3.0V), an adjustable output voltage range (1.3V to 6V) and a high efficiency (up to 95%). Moreover, the device minimize ripple and eliminates the need for filtering, which greatly reduces cost and complexity.

Principles of Operation

REG710NA-2.5/3KG4 is a DC DC switching regulator. It works on a principle wherein the converter changes the voltage of an input signal, typically from a battery, to the desired output level while enhancing the efficiency of the output signal. During the operation, the voltage converter switches on or off depending on the control strategy implemented by the on-chip supervisory logic. To achieve the desired output voltage, the converter works in two major states, namely the DCM (Discontinuous Conduction Mode) and CCM (Continuous Conduction Mode). In light load, DCM is the preferred operating mode for maximum efficiency. Here, during the off period of the switch, an additional current (diode forward current or induced current from the magnetics) is drawn from the input source. In the CCM, where the output current draws the output inductor current to zero, the converter switch remains in the on state, which leads to higher efficiency compared to the DCM operation.

Application Field

REG710NA-2.5/3KG4 is primarily used in battery-based and portable applications. This device provides clean and stable power, minimizes ripple and eliminates the need for additional filtering, thus reducing cost and complexity. Some of the applications of this voltage regulator include consumer electronics, mobile communications, automotive systems, and computer peripherals.

Conclusion

In conclusion, the REG710NA-2.5/3KG4 is an advanced and efficient DC DC switching voltage regulator, used to convert voltage levels from a battery-based or portable device, or from consumer to automotive electronics, providing a clean and stable power supply with low noise and ripple. It is designed to maximize efficiency, reduce complexity and cost, and its wide input and adjustable output voltage range makes it suitable for a wide array of applications.

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