AnalogySemi LD501
The LD501 is an ultra-low noise, low dropout (LDO) linear regulator that operates from 2.2V to 5.5V and provides output current up to 150mA (LD501L), 200mA (LD501M), or 250mA (LD501P). The low dropout voltage—70mV at 150mA load (LD501L), 94mV at 200mA load (LD501M), or 118mV at 250mA load (LD501P), improves efficiency and allows operation over a wide input voltage range. The LD501 achieves ultra-low noise performance without the bypass capacitor due to the optimized circuit topology, which makes the LD501 ideal for noise or space sensitive analog and RF applications.| Part No. | LD501 |
|---|---|
| Datasheet | LD501 Download |
| Manufacturer | AnalogySemi |
| Description | CMOS Linear Regulator |
| Buy | Stock & Price |
FEATURES
● Ultra-low noise: 13.5μV rms at VOUT = 3.3V 9.5µV rms at VOUT = 1.1V● No noise bypass capacitor required
● Stable with 1μF ceramic input and output capacitors
● Maximum output current: 150mA (LD501L) 200mA (LD501M) 250mA (LD501P)
● Input voltage range: 2.2V to 5.5V
● Low quiescent current IGND = 12μA with IOUT = 0mA IGND = 170μA with IOUT = 150mA (LD501L) IGND = 200μA with IOUT = 200mA (LD501M) IGND = 229μA with IOUT = 250mA (LD501P)
● Low shutdown current: 0.25μA
● Low dropout voltage: VDROPOUT = 70mV with IOUT = 150mA (LD501L) VDROPOUT = 94mV with IOUT = 200mA (LD501M) VDROPOUT = 118mV with IOUT = 250mA (LD501P)
● Initial accuracy: ±1%
● Accuracy over line, load, and temperature: ±2.5%
● More than 32 fixed output voltage options: 1.1V to 5.0V
● PSRR performance of 74dB at 10kHz
● Current-limit and thermal overload protection
● Logic controlled enable
● SOT23-5 package 2.
APPLICATIONS
● RF, voltage controlled oscillator (VCO), and phase locked loop (PLL) power supplies● Mobile phones
● Digital camera and audio devices
● Portable and battery-powered equipment
● Post dc-to-dc regulation
● Portable medical devices 3.
