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The ADPL44002ACPZN3.3 is a CMOS, low dropout (LDO) linear regulator that operates from 2.7V to 40V and provides up to 200mA of output current. This high input voltage LDO is ideal for the regulation of high performance analog and mixed signal circuits operating from 39V down to 1.2V rails. Using an advanced proprietary architecture, the device provides high power supply rejection, low noise, and achieves excellent line and load transient response with a small 2.2μF ceramic output capacitor. The ADPL44002 regulator output noise is 20μVRMS independent of the output voltage for the fixed options of 5V or less.

The ADPL44002ACPZN3.3 is available in four fixed output voltage options. The following voltages are available from stock: 1.2V (adjustable), 1.8V, 2.5V, 3.3V, and 5.0V.

Each fixed output voltage can be adjusted above the initial set point with an external feedback divider. This allows the ADPL44002 to provide an output voltage from 1.2V to VIN − VDO with high PSRR and low noise.

User programmable soft start with an external capacitor is available in the LFCSP package.

Features Of ADPL44002ACPZN3.3

Low Noise: 20μVRMS Independent of Fixed Output Voltage

PSRR of 78dB at 10 kHz, VOUT ≤ 5V, VIN = 7V

Input Voltage Range: 2.7V to 40V

Maximum Output Current: 200mA

Initial Accuracy: ±1%

Accuracy Over Line, Load, and Temperature

±1.8%, TJ = −40°C to +125°C

Low Dropout Voltage: 220mV (typical) at a 200mA Load, VOUT = 5V

User Programmable Soft Start (LFCSP only)

Low Quiescent Current, IGND = 80μA (typical) with no Load

Low Shutdown Current: 1.8μA at VIN = 6V, 3.0μA at VIN = 40V

Stable with a Small 2.2 μF Ceramic Output Capacitor

Fixed Output Voltage Options: 1.8V, 2.5V, 3.3V, and 5.0V

Adjustable Output from 1.2V to VIN – VDO, Output can be Adjusted Above Initial Set Point

Precision Enable

Applications Of ADPL44002ACPZN3.3

Regulation to Noise Sensitive Applications

ADC, DAC Circuits, Precision Amplifiers, Power for VCO VTUNE Control

Communications and Infrastructure

Medical and Healthcare

Industrial and Instrumentation

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