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LT4351CMS датащи(PDF) 3 Page - Linear Technology |
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LT4351CMS датащи(HTML) 3 Page - Linear Technology |
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3 / 20 page ![]() LT4351 3 sn4351 4351fs The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = VOUT = 5V, VDD = 16.1V, VUV = 0.4V, VOV = 0.2V, GATE Open, unless otherwise specified. ELECTRICAL CHARACTERISTICS Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. TYPICAL PERFOR A CE CHARACTERISTICS Undervoltage Threshold vs Temperature Overvoltage Threshold vs Temperature Undervoltage Threshold vs VIN Note 2: TJ is calculated from the ambient temperature TA and power dissipation PD according to the following formula: TJ = TA + (PD • 120°C/W) TEMPERATURE ( °C) –50 290 292 296 298 300 310 304 0 50 75 4351 G01 294 306 308 302 –25 25 100 125 VIN = 1.2V VIN = 5V VIN = 12V VIN = 20V TEMPERATURE ( °C) –50 293 297 299 305 0 50 75 4351 G02 295 301 303 –25 25 100 125 VIN = 1.2V VIN = 5V VIN = 12V VIN = 20V VIN (V) 0 302 306 310 16 4351 G03 298 294 300 304 308 296 292 290 4 2 8 6 12 14 18 10 20 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VDD Operating Range q 30 V IVDD VDD Supply Current VIN = 1.2V, VOUT = 1.1V, VDD = 12.3V, GATE Open q 3.0 4.0 mA VIN = 18V, VOUT = 17.9V, VDD = 29.1V, GATE Open q 3.6 5.6 mA Status Functions ∆VGIS Min Gate Voltage for Turning On Status VOUT = 4.9V, ISTATUS = 1mA q 0.75 1 V VIOGF VIN to VOUT Fault Voltage VOUT Falling, Measured with Respect to VIN 185 210 230 mV with Open Gate VSTON Status Pin On Voltage IST = 5mA, VOUT = 4.9V, Status On q 0.13 0.25 V ISTOFF Status Pin Leakage Current VST = 30V, Status Off, VIN = 4.9V q 0.04 1 µA Specifications are at TA = 25°C unless otherwise specified. |
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