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LTC1177CSW-12 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1177CSW-12 Datasheet(HTML) 3 Page - Linear Technology |
3 / 8 page 3 LTC1177-5/LTC1177-12 ELECTRICAL C C HARA TERISTICS VIN = 12V, TA = 25°C unless otherwise noted. LTC1177-12 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOUT Output Voltage (Refer to GND2) COUT = 1000pF, No Load (LTC1177C-12, N Pkg) q 4.65 5.2 8 V COUT = 1000pF, No Load (LTC1177C-12, SW Pkg) q 5.00 5.7 8 V COUT = 1000pF, VIN = 11.4V (LTC1177C-12, N Pkg) q 4.40 4.9 7 V COUT = 1000pF, VIN = 11.4V (LTC1177C-12, SW Pkg) q 4.60 5.3 7 V COUT = 1000pF, No Load (LTC1177I-12, N Pkg) q 4.50 5.2 8 V COUT = 1000pF, No Load (LTC1177I-12, SW Pkg) q 4.75 5.7 8 V COUT = 1000pF, VIN = 11.4V (LTC1177I-12, SW Pkg) q 4.50 5.3 7 V IIN Input Current CIN = 1000pF (LTC1177C-12) q 2.5 3.0 mA CIN = 1000pF (LTC1177I-12) q 2.5 3.4 mA ILIM Current Limit RSENSE = 1Ω (LTC1177C-12) q 400 620 800 mA RSENSE = 1Ω (LTC1177I-12) q 350 620 900 mA tON Turn-On Time COUT = 1000pF, No Load (LTC1177C-12) q 1.0 2.5 ms COUT = 1000pF, No Load (LTC1177I-12, N Pkg) 1.0 ms COUT = 1000pF, No Load (LTC1177I-12, SW Pkg) q 1.0 2.5 ms tOFF Turn-Off Time COUT = 1000pF, No Load (LTC1177C-12) q 1.0 1.2 ms COUT = 1000pF, No Load (LTC1177I-12, N Pkg) 1.0 ms COUT = 1000pF, No Load (LTC1177I-12, SW Pkg) q 1.0 1.5 ms VISO Isolation Voltage 1 Minute (Note 1) 2500 VRMS 1 Second 3000 VRMS TCM Common Mode Slew Rate VOUT < 1.5V, COUT= 1000pF 1000 V/ µs The q denotes specifications which apply over the full operating temperature range. Note 1: Value derived from 1 second test. TYPICAL PERFORMANCE CHARACTERISTICS LTC1177-5 Turn-Off Time to VOUT = 1V vs Temperature TEMPERATURE ( °C) –55 –25 25 0.8 1.0 1.2 125 150 1177-5 G01 0.6 0.4 0 0 50 75 100 0.2 1.8 1.4 1.6 N18, SW28 VIN = 5V COUT = 1000pF LTC1177-5 Turn-On Time to VOUT = 4.5V vs Temperature TEMPERATURE ( °C) –55 –25 25 0.8 1.0 1.2 125 150 1177-5 G02 0.6 0.4 0 0 50 75 100 0.2 1.8 1.4 1.6 N18 SW28 VIN = 5V COUT = 1000pF LTC1177-5 Output Current vs Output Voltage OUTPUT VOLTAGE (V) 01 3 8 10 12 78 1177-5 G03 6 4 0 2 4 56 2 18 14 16 N18 SW28 TA = 25°C VIN = 5V |
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