The Analog Devices Low Dropout (LDO) Linear Regulators offer fast transient response, excellent line and load regulation, and they have a wide input voltage range.
Feature
- Input voltage range: 2.3 V to 5.5 V
- Adjustable output voltage range (VOUT): 1.2 V to 3.3 V
- Maximum load current: 1.2 A
- Low noise
- 0.9 µV rms typical output noise from 100 Hz to 100 kHz
- 1.6 µV rms typical output noise from 10 Hz to 100 kHz
- Noise spectral density: 1.7 nV/√Hz from 10 kHz to 1 MHz
- Power supply rejection ratio (PSRR)
- 82 dB from 1 kHz to 100 kHz
- 55 dB at 1 MHz
- Dropout voltage: 120 mV typical at IOUT = 1.2 A, VOUT = 3.3 V
- Initial accuracy: ±0.6% at ILOAD = 10 mA
- Accuracy over line, load, and temperature: ±1.5%
- Operating supply current (IGND)
- 4.0 mA typical at 0 µA
- 7.0 mA typical at 1.2 A
- Low shutdown current: 0.2 μA typical
- Stable with a 10 µF ceramic output capacitor
- 10-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages
- Precision enable
- Supported by ADIsimPower tool
Applications
- Regulation to noise sensitive applications: phase-lockedloops (PLLs), voltage controlled oscillators (VCOs), andPLLs with integrated VCOs
- Communications and infrastructure
- Backhaul and microwave links
(Picture: Pinout)
