ADP1764ACPZ1.25-R7

Voltage Dropout (Max):	0.075V @ 4A
Base Part Number:	ADP1764
Operating Temperature:	-40°C ~ 125°C (TJ)
Protection Features:	Current Limit, Thermal Overload
Control Features:	Enable, Power Good, Soft Start
PSRR:	69dB ~ 35dB (10kHz ~ 1MHz)
Current - Supply (Max):	23mA
Current - Quiescent (Iq):	17mA
Current - Output:	4A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.25V
Voltage - Input (Max):	1.98V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active

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Introduction to the ADP1764ACPZ1.25-R7

The ADP1764ACPZ1.25-R7 is an adjustable linear voltage regulator designed for providing stable power to digital systems such as microprocessors, ASICs, and DSPs. This voltage regulator is categorized as a PMIC - Voltage Regulators - Linear.

Overview

The ADP1764ACPZ1.25-R7 is a single-supply adjustable linear voltage regulator. It features an on-chip Zener diode for output voltage clamping and an on-chip voltage reference, enabling it to deliver an output voltage range of 2.3V to VIN. The ADP1764ACPZ1.25-R7 offers a maximum output current of 1.25A, with an output voltage accuracy of ±2%. It also provides a very low dropout voltage and low quiescent current of around 10µA.

Features and Benefits

The ADP1764ACPZ1.25-R7 offers many advantages to the user:

• Low dropout voltage, low quiescent current
• High output current up to 1.25A
• Low power dissipation, Thermal Shutdown protection
• Wide range of input/output voltages: 2.3V to VIN
• High accuracy: ±2%
• Improved line/load regulation performance
• Low noise operation
• In-circuit voltage programming capability
• Small 4x4 mm package

Application Field and Working Principle

The ADP1764ACPZ1.25-R7 is suitable for a wide range of applications, such as regulating the output voltage of microprocessors, ASICs, and DSPs. It is also suitable for many types of power supplies and in battery powered systems.The device consists of an on-chip Zener diode and an on-chip voltage reference. This enables users to adjust the output voltage to be within a desired range.The ADP1764ACPZ1.25-R7 is designed to provide a low dropout voltage and low quiescent current. A P-channel MOSFET is used as the voltage reference, providing accurate voltage regulation. This eliminates the need for an output voltage capacitor, making the design even more efficient and cost-effective.In order to extend battery life, the ADP1764ACPZ1.25-R7 is designed to operate with a low quiescent current of 10μA and a maximum output current of 1.25A. Furthermore, it features improved line/load regulation and low noise operation, making it suitable for a wide range of applications.

Conclusion

The ADP1764ACPZ1.25-R7 is a PMIC - Voltage Regulators - Linear, that is ideal for use in applications requiring a reliable, adjustable, and low-noise output. It offers a wide range of input and output voltages, with a low dropout voltage and low quiescent current. Moreover, its improved line/load regulation and in-circuit voltage programming capability make it a great choice for many applications.

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