The linear regulator provides a fixed 3.3 V output with up to 1 A output current. It operates from a 2.2 V to 6.0 V input range and has a typical 360 mV dropout voltage at 1 A for the 3.3 V option. The device includes an enable input, current-limit protection, fold-back short-circuit protection, and thermal shutdown protection. It has a typical 60 µA quiescent current and operates over a -40°C to +85°C ambient temperature range. Package options include U-DFN3030-8, SOT89-5, SOT223, TO252, and SO-8EP variants.
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| Regulator Type | Ultra-low-dropout linear regulator with enable |
| Output Voltage | 3.3V |
| Output Current | 1.0 maxA |
| Input Voltage Range | 2.2 to 6.0V |
| Output Voltage Accuracy | ±1% |
| Dropout Voltage at 1 A, 3.3 V Output | 360 typmV |
| Quiescent Current | 60 typ, 80 maxµA |
| Shutdown Current | 0.05 typ, 1 maxµA |
| Current Limit | 1.1 min, 1.5 typA |
| Short-Circuit Current | 400 typmA |
| Power Supply Rejection Ratio at 1 kHz | 75 typdB |
| Power Supply Rejection Ratio at 10 kHz | 55 typdB |
| Operating Ambient Temperature | -40 to +85°C |
| Operating Junction Temperature | -40 to +150°C |
| Thermal Shutdown Threshold | 150 typ°C |
| Thermal Shutdown Hysteresis | 20 typ°C |
| Output Capacitor | 2.2 minimum stableµF |
| Moisture Sensitivity Level | MSL 1 per J-STD-020 |
| Available Packages | U-DFN3030-8, SOT89-5, SOT223, TO252, SO-8EP |
| RoHS | Fully RoHS compliant: EU 2002/95/EC, 2011/65/EU RoHS 2, and 2015/863/EU RoHS 3 |
| Lead Free | Totally lead-free |
| Halogen/antimony Free | Halogen- and antimony-free green device |
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