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4.11. LM1117
The LM1117 is a series of low dropout voltage regulators with a dropout of 1.2V at 800mA of load current. The output voltage
is adjusted according to the formula shown in Figure 9.
Available in 1.8V, 2.5V, 2.85V, 3.3V, 5V, and Adjustable Versions
Current Limiting and Thermal Protection
Output Current 800mA
Line Regulation 0.2% (Max)
Load Regulation 0.4% (Max)
Temperature Range
LM1117 0°C to 125°C
LM1117I -40°C to 125°C
4.12. 24LC32
24LC32 is a 4K x 8 (32Kbit) Serial Electrically Erasable PROM capable of operation across a broad voltage range (2.5V to 6.0V).
4.13. 24LC21
24LC21 is a 128 x 8 bit Electrically Erasable PROM. This device is designed for use in applications requiring storage and serial
transmission of configuration and control information.
Figure 9: Basic adjustable regulator
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