ADP7104

FEATURES ► Input voltage range: 3.3 V to 20 V ► Maximum output current: 500 mA ► Low noise: 15 µV rms for fixed output versions ► PSRR performance of 60 dB at 10 kHz, VOUT = 3.3 V ► Reverse current protection ► Low dropout voltage: 350 mV at 500 mA ► Initial accuracy: ±0.8% ► Accuracy over line, load, and temperature ► −2% to +1%, TJ = −40°C to +125°C ► −1.25% to +1%, TJ = 0°C to +85°C ► Low quiescent current (VIN = 5 V), IGND = 900 μA with 500 mA load ► Low shutdown current: <40 µA at VIN = 12 V, stable with small 1 µF ceramic output capacitor ► 7 fixed output voltage options: 1.5 V, 1.8 V, 2.5 V, 3 V, 3.3 V, 5 V, and 9 V ► Adjustable output from 1.22 V to VIN − VDO ► Foldback current limit and thermal overload protection ► User programmable precision UVLO/enable ► Power-good indicator ► 8-lead LFCSP and 8-lead SOIC packages APPLICATIONS ► Regulation to noise sensitive applications: ADC, DAC circuits, precision amplifiers, high frequency oscillators, clocks, and PLLs ► Communications and infrastructure ► Medical and healthcare ► Industrial and instrumentation Data Sheet ADP7104 20 V, 500 mA, Low Noise, CMOS LDO TYPICAL APPLICATION CIRCUITS Figure 1. ADP7104 with Fixed Output Voltage, 5 V Figure 2. ADP7104 with Adjustable Output Voltage, 5 V GENERAL DESCRIPTION The ADP7104 is a CMOS, low dropout linear regulator that operates from 3.3 V to 20 V and provides up to 500 mA of output current. This high input voltage LDO is ideal for regulation of high performance analog and mixe...