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The AZ1117B is a low dropout three-terminal regulator. The AZ1117B has been optimized for low voltage where transient response and minimum input voltage are critical. It provides current limit and thermal shutdown. Its circuit includes a trimmed bandgap reference to assure output voltage accuracy to be within ±1%. On-chip thermal shutdown provides protection against a combination of high current and ambient temperature that would create excessive junction temperature. The AZ1117B is available in 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5.0V fixed output voltage vesions and ADJ output voltage version. The fixed versions integrate the adjust resistors. It is also available in an adjustable version which can set the output voltage with two external resistors. The AZ1117B is available in the industry-standard SOT-223 and SOT-89 power packages.
· Current Limit: 1.0A (Typ) · Output Noise from 10Hz to 10KHz: 0.003% of VOUT · PSRR at IOUT=300mA and f=120Hz: 70dB · Output Voltage Accuracy: ±1% · On-chip Thermal Shutdown · Maximum Quiescent Current: IQMAX=6mA · Operation Junction Temperature: -20 to 125°C
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