Current - Output:	150mA
Base Part Number:	ADP1711
Supplier Device Package:	TSOT-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	69dB (1kHz)
Current - Supply (Max):	1.3mA
Current - Quiescent (Iq):	50µA
Series:	--
Voltage Dropout (Max):	0.3V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

PMICs (Power Management ICs) are the core components of most electronic devices, managing the power signals and conversion to ensure efficient power usage. Voltage regulators, a type of PMIC, are used to manage and maintain consistent voltage levels within a circuit. Linear voltage regulators are one type of voltage regulator that employ linear regulator circuits to produce a stable output voltage. One example of a linear voltage regulator is the ADP1711AUJZ-2.5-R7.

Application of the ADP1711AUJZ-2.5-R7

The ADP1711AUJZ-2.5-R7 is a low-dropout (LDO) linear voltage regulator designed to regulate input voltages between 2 and 5.5 V to a stable output voltage of 2.5 V. It features a standard operating input current range of 60 mA to 750 mA, providing design flexibility and extending the range of applications for the device. The ability for the device to output up to 1 A makes it ideal for applications including DSPs, smart phones, personal digital assistants (PDAs), and other hand-held devices. The ADP1711AUJZ-2.5-R7 includes several features to help reduce power consumption. These features include low battery monitoring (LBM), low-noise reduced dropout mode (NRDM), and load transient protection (LTP). Furthermore, the device also offers over-voltage protection (OVP) and short-circuit protection (SCP).

Working Principle of ADP1711AUJZ-2.5-R7

The working principle of the ADP1711AUJZ-2.5-R7 is based on the typical linear regulator circuit. The device includes both an input and output, with the input connected to the power supply and the output connected to the intended load component. A voltage divider is connected across the input and output to sense the output voltage, and feedback is utilized to control the output voltage level. The internal circuitry of the regulator controls the amount of current supplied to the load, allowing only enough current to reach the component to maintain the given output voltage level.The device also includes several features to help regulate the output voltage. Low battery monitoring (LBM) helps prevent the output voltage from dropping too low, and no-load reduction mode (NRDM) helps reduce power consumption by reducing current draw during light-load conditions. Load transient protection (LTP) helps protect the load component from sudden changes in current being supplied and over-voltage protection (OVP) helps prevent the voltage from exceeding a maximum safe level.

Conclusion

The ADP1711AUJZ-2.5-R7 is a linear voltage regulator ideal for applications such as DSPs, smart phones, PDAs, and other hand-held devices. The device features an efficient power management system and several features including low battery monitoring (LBM), low-noise reduced dropout mode (NRDM), load transient protection (LTP), and over-voltage protection (OVP). The working principle of the device includes a linear regulator circuit as well as voltage dividers and feedback systems to help regulate the output voltage. The combination of these features make the ADP1711AUJZ-2.5-R7 an effective and reliable linear voltage regulator.

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