Product Details
●The ADM7155 is an adjustable linear regulator that operates from 2.3 V to 5.5 V and provides up to 600 mA of load current. Output voltages from 1.2 V to 3.4 V are possible depending on the model. Using an advanced proprietary architecture, it provides high power supply rejection and ultralow noise, achieving excellent line and load transient response with only a 10 µF ceramic output capacitor.
●The ADM7155 is available in four models that optimize power dissipation and PSRR performance as a function of input and output voltage.
●The ADM7155 regulator typical output noise is 0.9 μV rms from 100 Hz to 100 kHz for fixed output voltage options and 1.5 nV/√Hz for noise spectral density from 10 kHz to 1 MHz. The ADM7155 is available in 8-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages, making it not only a very compact solution but also providing excellent thermal performance for applications requiring up to 600 mA of load current in a small, low profile footprint.
●Applications
● Regulation to noise sensitive applications: PLLs, VCOs, and PLLs with integrated VCOs
● Communications and infrastructure
● Backhaul and microwave links
●### Features and Benefits
● Input voltage range: 2.3 V to 5.5 V
● Output voltage range: 1.2 V to 3.4 V
● Maximum load current: 600 mA
● Low noise
● 0.9 μV rms total integrated noise from 100 Hz to 100 kHz
● 1.6 μV rms total integrated noise from 10 Hz to 100 kHz
● Noise spectral density: 1.5 nV/√Hz from 10 kHz to 1 MHz
● PSRR: >90 dB from 200 Hz to 200 kHz; 57 dB at 1 MHz
● Dropout voltage: 120 mV typical at VOUT = 3.3 V, IOUT = 600 mA
● Initial accuracy: ±0.5%
● Accuracy over line, load, and temperature: −2.0% (minimum), +1.5% (maximum)
● Quiescent current, IGND = 4 mA at no load
● Low shutdown current: 0.2 μA
● Stable with a 10 μF ceramic output capacitor
● 8-lead LFCSP and 8-lead SOIC packages
● Precision enable
● Supported by ADIsimPower tool
