ADP1765 Datasheet (data sheet) PDF





ADP1765 Datasheet, CMOS Linear Regulator

ADP1765   ADP1765  

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Data Sheet FEATURES 5 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bia s supply required Fixed output voltage range (VOUT_FIXED): 0.55 V to 1.5 V Adj ustable output voltage range (VOUT_ADJ) : 0.5 V to 1.5 V Ultralow noise: 2 µV rms, 100 Hz to 100 kHz Noise spectral d ensity: 5 nV/√Hz at 10 kHz; 4 nV/√H z at 100 kHz Low dropout voltage: 59 mV typical at 5 A load Operating supply c urrent: 5 mA typical at no load ±1.5% fixed output voltage accuracy over line , load, and temperature Excellent power supply rejection ratio (PSRR) performa nce 61 dB typical at 10 kHz at 5 A load 43 dB typical at 100 kHz at 5

ADP1765 Datasheet, CMOS Linear Regulator

ADP1765   ADP1765  
A load Excellent load/line transient res ponse Soft start to reduce inrush curre nt Optimized for small 22 µF ceramic c apacitors Current-limit and thermal ove rload protection Power-good indicator P recision enable 16-lead, 3 mm × 3 mm L FCSP package APPLICATIONS Regulation to noise sensitive applications such as r adio frequency (RF) transceivers, analo g-to-digital converter (ADC) and digita l-to-analog converter (DAC) circuits, p hase-locked loops (PLLs), voltage contr olled oscillators (VCOs) and clocking i ntegrated circuits Field-programmable g ate array (FPGA) and digital signal pro cessor (DSP) supplies Medical and healt hcare Industrial and instrumentation GE NERAL DESCRIPTION The ADP1765 is a low noise, low dropout (LDO) linear regulat or. It is designed to operate from a si ngle input supply with an input voltage as low as 1.10 V without the requireme nt of an external bias supply to increa se efficiency and provide up to 5 A of output current (IOUT). The low 59 mV ty pical dropout voltage at a 5 A load all ows the ADP1765 to operate with a small headroom while maintaining regulation and providing better efficiency. The AD P1765 is optimized for stable operation with small 22 µF ceramic output capac itors. The ADP1765 delivers optimal tra nsient performance with minimal printed circuit board








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