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The ADPL42005ACPZ-5.0LDO linear regulator is specifically designed for high-performance analog and mixed-signal circuits with an operating voltage range of 19V to 1.22V. The following are its core features:

Input voltage range: 4V to 20V

Maximum output current: 500mA

Low noise: The fixed output version is 32 μVrms

At 10kHz, the PSRR performance is 58dB, and VOUT = 3.3V

Reverse current protection

Low voltage difference: 400mV at 500mA

Initial accuracy: ±0.8

Accuracy across the entire line, load and temperature range

-2% to +1%, TJ = -40 °C to +125°C

The low quiescent current at A load of 500 mA (VIN = 10V) and IGND = 900μμA

Low turn-off current: At VIN = 12 V, it is less than 40μ A. It can be stabilized by using A small 1 μF ceramic output capacitor

Six fixed output voltage options: 1.5V, 1.8V, 2.5V, 3V, 3.3V and 5V

Adjustable output from 1.22V to VIN − VDO

Return current limit and thermal overload protection

User-programmable precise UVLO/ enabling

Good power supply indicator

8-pin LFCSP package

The ADPL42005ACPZ-5.0 voltage regulator adopts an advanced proprietary architecture, featuring high power supply suppression capability and low noise characteristics, and can achieve excellent line and load transient response. This voltage regulator offers six fixed output voltage options and one adjustable version to choose from. Therefore, an output voltage range from 1.22V to VIN −VDO can be achieved through an external feedback voltage divider.

Application scenarios

Regulation for noise-sensitive applications: ADC, DAC circuits, precision amplifiers, high-frequency oscillators, clocks and PLL

Communication and infrastructure

Medical care and health care

Industry and instrumentation

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