CMOS low dropout linear regulator operates from a 2.7 V to 20 V input and supplies up to 200 mA output current. The regulator provides 11 µV rms output noise, high power supply rejection, and stable operation with a small 2.2 µF ceramic output capacitor. Fixed output options include 1.8 V, 2.5 V, 3.3 V, 4.5 V, and 5.0 V, with adjustable operation from 1.2 V to the input voltage minus dropout. Device options are offered in 6-lead LFCSP, 8-lead SOIC, and 5-lead TSOT packages for operation over a −40°C to +125°C temperature range.
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| Input Voltage Range | 2.7 to 20V |
| Maximum Output Current | 200mA |
| Output Noise | 11µV rms |
| Dropout Voltage | 200 typical at 200 mA, VOUT = 5 VmV |
| Quiescent Current | 50 typical with no loadµA |
| Shutdown Current | 1.8 typical at VIN = 5 V; 3.0 typical at VIN = 20 VµA |
| Initial Output Accuracy | ±0.8 at TJ = 25°C% |
| Output Accuracy Over Temperature | −1.2 to +1.5 from −40°C to +85°C; ±1.8 from −40°C to +125°C% |
| Power Supply Rejection Ratio | 88 at 10 kHz; 68 at 100 kHz; 50 at 1 MHzdB |
| Recommended Output Capacitance | 2.2 ceramicµF |
| Minimum Input and Output Capacitance | 1.5 over operating conditionsµF |
| Adjustable Output Range | 1.2 to VIN − VDOV |
| Fixed Output Voltage Options | 1.8, 2.5, 3.3, 4.5, 5.0; 16 standard voltages from 1.2 to 5.0V |
| Current Limit Threshold | 360 typicalmA |
| Thermal Shutdown Threshold | 150 typical°C |
| Operating Temperature Range | −40 to +125°C |
| Aec-q100 | Qualified for automotive applications |
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