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LT1121CS8-3.3 Datasheet(PDF) 2 Page - Linear Technology |
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LT1121CS8-3.3 Datasheet(HTML) 2 Page - Linear Technology |
2 / 12 page 2 LT1121/LT1121-3.3/LT1121-5 Storage Temperature Range ................. – 65 °C to 150°C Operating Junction Temperature Range (Note 2) LT1121C-X ......................................... 0 °C to 125°C LT1121I-X ..................................... – 40 °C to 125°C Lead Temperature (Soldering, 10 sec) .................. 300 °C *For applications requiring input voltage ratings greater than 30V, contact the factory. Input Voltage ...................................................... ±30V* Output Pin Reverse Current ................................. 10mA Adjust Pin Current ............................................... 10mA Shutdown Pin Input Voltage (Note 1) ........ 6.5V, – 0.6V Shutdown Pin Input Current (Note 1) .................. 20mA Output Short-Circuit Duration ......................... Indefinite A G A U A R BSOLUTEXI TI S ELECTRICAL C C HARA TERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Regulated Output Voltage LT1121-3.3 VIN = 3.8V, IOUT = 1mA, TJ = 25°C 3.250 3.300 3.350 V (Note 3) 4.3V < VIN < 20V, 1mA < IOUT < 150mA q 3.200 3.300 3.400 V LT1121-5 VIN = 5.5V, IOUT = 1mA, TJ = 25°C 4.925 5.000 5.075 V 6V < VIN < 20V, 1mA < IOUT < 150mA q 4.850 5.000 5.150 V LT1121 (Note 4) VIN = 4.3V, IOUT = 1mA, TJ = 25°C 3.695 3.750 3.805 V 4.8V < VIN < 20V, 1mA < IOUT < 150mA q 3.640 3.750 3.860 V Line Regulation LT1121-3.3 ∆VIN = 4.8V to 20V, IOUT = 1mA q 1.5 10 mV LT1121-5 ∆VIN = 5.5V to 20V, IOUT = 1mA q 1.5 10 mV LT1121 (Note 4) ∆VIN = 4.3V to 20V, IOUT = 1mA q 1.5 10 mV PACKAGE/ORDER I FOR ATIO θJA ≈ 150°C/W θJA ≈ 50°C/W 1 2 3 BOTTOM VIEW IN GND OUT Z PACKAGE 3-LEAD PLASTIC TO-92 LT1121 • PO02 3 2 1 FRONT VIEW TAB IS GND OUTPUT GND VIN ST PACKAGE 3-LEAD PLASTIC SOT-223 LT1121 • PO03 ORDER PART NUMBER ORDER PART NUMBER LT1121CZ-3.3 LT1121IZ-3.3 LT1121CZ-5 LT1121IZ-5 Consult factory for Military grade parts. LT1121CN8 LT1121CN8-3.3 LT1121CN8-5 LT1121IN8 LT1121IN8-3.3 LT1121IN8-5 LT1121CS8 LT1121CS8-3.3 LT1121CS8-5 LT1121IS8 LT1121IS8-3.3 LT1121IS8-5 LT1121ACS8 LT1121ACS8-3.3 LT1121ACS8-5 LT1121AIS8 LT1121AIS8-3.3 LT1121AIS8-5 1121 11213 11215 1121I 121I3 121I5 1121A 121A3 121A5 121AI 121AI3 121AI5 LT1121CST-3.3 LT1121IST-3.3 LT1121CST-5 LT1121IST-5 S8 PART MARKING ORDER PART NUMBER 1 2 3 4 8 7 6 5 TOP VIEW OUT NC/ADJ* GND NC IN NC** NC** SHDN N8 PACKAGE 8-LEAD PLASTIC DIP S8 PACKAGE 8-LEAD PLASTIC SOIC PIN 2 = NC FOR LT1121-3.3/LT1121-5 = ADJ FOR LT1121 PINS 6 AND 7 ARE FLOATING (NO INTERNAL CONNECTION) ON THE STANDARD S8 PACKAGE. PINS 6 AND 7 CONNECTED TO GROUND ON THE A VERSION OF THE LT1121 (S8 ONLY). CONNECTING PINS 6 AND 7 TO THE GROUND PLANE WILL REDUCE THERMAL RESISTANCE. SEE THERMAL RESISTANCE TABLES IN THE APPLICATIONS INFORMATION SECTION. * ** θJA ≈ 120°C/W (N8, S8) θJA ≈ 70°C/W (AS8) |
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