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LT1790ACS6-1.25 Datasheet(PDF) 1 Page - Linear Technology |
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LT1790ACS6-1.25 Datasheet(HTML) 1 Page - Linear Technology |
1 / 24 page 1 LT1790 1790fa Micropower SOT-23 Low Dropout Reference Family The LT ®1790 is a family of SOT-23 micropower low dropout series references that combine high accuracy and low drift with low power dissipation and small package size. These micropower references use curvature com- pensation to obtain a low temperature coefficient and trimmed precision thin-film resistors to achieve high output accuracy. In addition, each LT1790 is post-pack- age trimmed to greatly reduce the temperature coefficient and increase the output accuracy. Output accuracy is further assured by excellent line and load regulation. Special care has been taken to minimize thermally induced hysteresis. The LT1790s are ideally suited for battery-operated sys- tems because of their small size, low supply current and reduced dropout voltage. These references provide supply current and power dissipation advantages over shunt references that must idle the entire load current to operate. Since the LT1790 can also sink current, it can operate as a micropower negative voltage reference with the same performance as a positive reference. s Handheld Instruments s Negative Voltage References s Industrial Control Systems s Data Acquisition Systems s Battery-Operated Equipment s High Accuracy: A Grade—0.05% Max B Grade—0.1% Max s Low Drift: A Grade—10ppm/ °C Max B Grade—25ppm/ °C Max s Low Profile (1mm) ThinSOT TM Package s Low Supply Current: 60 µA Max s Sinks and Sources Current s Low Dropout Voltage s Guaranteed Operational –40 °C to 125°C s Wide Supply Range to 18V s Available Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V and 5V , LTC and LT are registered trademarks of Linear Technology Corporation. Typical VOUT Distribution for LT1790-2.5 Positive Connection for LT1790-2.5 FEATURES DESCRIPTIO APPLICATIO S TYPICAL APPLICATIO 0.1 µF 2.6V ≤ VIN ≤ 18V 1 µF 1, 2 6 VOUT = 2.5V 4 LT1790-2.5 1790 TA01 OUTPUT VOLTAGE (V) 2.498 2.499 2.500 2.501 2.502 30 40 50 1790 TA02 20 10 25 35 45 15 5 0 LT1790B LIMITS LT1790A LIMITS 167 UNITS ThinSOT is a trademark of Linear Technology Corporation. |
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