AP2112M-2.6TRG1

Voltage Dropout (Max):	0.4V @ 600mA
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	65sB (100Hz ~ 1KHz)
Current - Quiescent (Iq):	80µA
Current - Output:	600mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.6V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Overview

The AP2112M-2.6TRG1 is a low-noise linear voltage regulator. It is a single output device in a SOT-23-6 package that utilizes a proprietary Land Grid Array (LGA) for improved thermal and electrical performance. This low-noise regulator is designed to provide an input voltage range of 2.5V to 5.5V and an output voltage of 2.6V. The AP2112M-2.6TRG1 is suitable for applications such as power supply design, LED lighting, automotive circuits, consumer electronics, and general-purpose power supply designs.

Application Field

The AP2112M-2.6TRG1 is suitable for automotive and consumer electronics applications. In automotive applications, the AP2112M-2.6TRG1 can be used in power supply designs for ECUs and sensors. It can also be used in LED lighting and consumer electronics applications, such as cell phones and tablets, which require low-noise and efficient voltage regulation. The AP2112M-2.6TRG1 is also suitable for general-purpose low-noise power supply designs, such as laptop adapters.

Features

The AP2112M-2.6TRG1 has many features that make it suitable for automotive, consumer electronics, and general-purpose power supply designs. It has an operating temperature range of -40C to +125C, which makes it suitable for automotive applications. It has a low quiescent current of 10μA, ensuring low power consumption. It also has fast transient response, with a load transient response time of 45μs. The AP2112M-2.6TRG1 has a low dropout voltage of 260mV and a low noise output voltage of 10mV.

Working Principle and Schematic

The AP2112M-2.6TRG1 is a linear voltage regulator and works based on the basic operating principles of a voltage regulator. It is a 3-terminal device, with a voltage input (VIN), a voltage output (VOUT), and a ground terminal (GND). The AP2112M-2.6TRG1 utilizes a proprietary Land Grid Array (LGA) for superior thermal and electrical performance. Figure 1 shows a simplified block diagram of the AP2112M-2.6TRG1.

Figure 1: Block diagram of the AP2112M-2.6TRG1.

The AP2112M-2.6TRG1 works by sensing the voltage at the output (VOUT) and comparing it to an internal reference voltage. The reference voltage typically is determined by an external resistor divider. The error amplifier compares the output voltage with the reference voltage and adjusts the operating mode of the transistor switch to regulate the output voltage. The transistor switch is turned on when the output voltage is below the reference voltage and off when the output voltage is above the reference voltage. The transistor switch operates in either a saturated or a cutoff region, depending on the load current. In the saturated region, current is supplied to the load through the transistor switch and in the cutoff region, no current is supplied. This regulation ensures that the output voltage remains stable and within tolerance, irrespective of load variations.

Conclusion

The AP2112M-2.6TRG1 is a low-noise linear voltage regulator suitable for automotive and consumer electronics applications. It has a wide input voltage range and a low dropout voltage, making it suitable for automotive and general-purpose power supply designs. It has an operating temperature range of -40C to +125C and offers a low quiescent current and fast transient response. The AP2112M-2.6TRG1 is supported by application notes, including layout and design guides, to help users get the most out of their design.

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