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LT1120AIS8 Datasheet(PDF) 7 Page - Linear Technology |
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LT1120AIS8 Datasheet(HTML) 7 Page - Linear Technology |
7 / 8 page 7 LT1120A 1120afa 1120A TA04 – + C1 R1 AT AV = 100, SLEW RATE = +0.05V/ µs – 6V/ µs 1M C2 R2 IN 6 VREF 7 50 µA AV –1 –10 –100 R1 33 Ω 100 Ω 10k C1 0.1 µF 0.047 µF 0.002 µF C2 0.001 µF – – R2 1M 100k 10k Compensating the Comparator as an Op Amp Regulator with Output Voltage Monitor 1120A TA03 + – LOGIC 500k 5V LOGIC OUTPUT 7 REF 6 LT1120A 5 VIN OUTPUT 1 GND FEEDBACK 4 8 2 0.001 µF 98k 2k 100k 10 µF OUTPUT 5V LOGIC OUTPUT GOES LOW WHEN VOUT DROPS BY 100mV + VOUT PIN 7 LOGIC OUTPUT Current Limited 1 Amp Regulator LT1120A 1 GND 1M 100k 220 µF† + 0.22 µF VOUT 270 Ω 2.2k 5 VIN 4 2 FB 0.5 Ω* VIN VOUT 5V AT 1A * SETS CURRENT LIMIT BUT INCREASES DROPOUT VOLTAGE BY 0.5V. MUST HAVE LOW ESR. SEVERAL 100 µF CAPACITORS CAN BE PARALLELED. † 1120A TA06 MJE2955 2N3906* Battery Backup Regulator 1120A TA05 VOUT FB 4 VOUT 5V 2 0.001 µF 1M 50k 1M 10 µF LT1120A 1 GND 5 VIN BATTERY INPUT VIN FB LT1120A 1 GND VOUT 5 MAIN POWER INPUT + 4 2 VIN VOUT INTERNAL PARASITIC DIODES OF LT1120A Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. TYPICAL APPLICATIO S |
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