ADP1765ACPZ-R7

High PSRR, Low Noise 500 mA LDO Regulator

Product Description

Product Overview

The ADP1765ACPZ-R7 is a low noise, low dropout linear regulator designed to provide clean, stable 3.3 V power for sensitive analog and digital circuits. Featuring high power-supply rejection ratio (PSRR) and low output noise over a wide frequency range, it is ideal for systems requiring high signal integrity such as precision data converters, RF modules, industrial sensors, and portable electronics. The device operates with minimal external components and includes protection features to ensure reliable operation in demanding environments.

Key Features

Fixed 3.3 V output voltage
Low dropout for high efficiency
High PSRR for noise-sensitive circuits
Low output noise across wide frequency band
500 mA output current capability
Stable with small ceramic output capacitors
Short-circuit and thermal protection
Minimal external component design
Compact SOT-23 package
Industrial operating temperature support

Applications

Precision analog front-ends
ADC/DAC reference and bias supplies
RF and communication modules
Industrial automation sensors
Portable and battery-powered systems
Test and measurement instruments
MCU/DSP power rails

Electrical Characteristics

Parameter	Value
Regulator Type	Low Noise LDO
Output Voltage	3.3 V
Max Output Current	500 mA
Dropout Voltage	Low
PSRR	High
Output Noise	Low
Stability	Stable with Ceramic Caps
Protection	Thermal / Short-Circuit
Package	SOT-23
Operating Temp.	–40 °C ~ +125 °C
Packing	Tape & Reel (R7)
RoHS Compliance	RoHS Compliant