ADP224 Description
Data Sheet Dual, 300 mA Output, Low Noise, High PSRR Voltage Regulators ADP222/ADP223/ADP224/ADP225 09376-001 .ADP224 Features
* Input voltage range: 2.5 V to 5.5 V Small, 8-lead, 2 mm × 2 mm LFCSP package Initial accuracy: ±1% High PSRR: 70 dB at 10 kHz, 60 dB at 100 kHz, 40 dB at 1 MHz Low noise: 27 µV rms at VOUT = 1.2 V, 50 µV rms at VOUT = 2.8 V Excellent transient response Low dropout voltage: 170 mV at 300 mA load 65 µADP224 Applications
* Portable and battery-powered equipment Portable medical devices Post dc-to-dc regulation Point of sale terminals Credit card readers Automatic meter readers Wireless network equipment TYPICAL APPLICATION CIRCUITS VIN = 4.2V + C1 1µF R1 ON OFF ON OFF 1 EN1 ADJ1 8 ADP223/ ADP225 2 EN2 VOUT
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