Datasheet LT4351 (Analog Devices) - 4

HerstellerAnalog Devices
BeschreibungMOSFET Diode-OR Controller
Seiten / Seite20 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. …
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TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Undervoltage Threshold. Overvoltage Threshold

TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted Undervoltage Threshold Overvoltage Threshold

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LT4351
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Undervoltage Threshold Overvoltage Threshold vs Temperature vs Temperature Undervoltage Threshold vs VIN
310 305 310 VIN = 1.2V VIN = 1.2V 308 VIN = 5V VIN = 5V 308 V V 306 IN = 12V 303 IN = 12V V 306 IN = 20V VIN = 20V 304 301 304 302 302 (mV) (mV) (mV) 300 299 300 V UV(TH) 298 V OV(TH) V UV(TH) 298 296 297 296 294 295 294 292 292 290 293 290 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 2 4 6 8 10 12 14 16 18 20 TEMPERATURE (°C) TEMPERATURE (°C) VIN (V) 4351 G01 4351 G02 4351 G03
Overvoltage Hysteresis Overvoltage Turn-Off Delay Overvoltage Threshold vs VIN vs Temperature vs Overvoltage Overdrive
310 25 20 VIN = 5V VIN = 5V 308 18 306 20 16 304 14 302 15 12 (mV) 300 10 V UV(TH) 298 10 8 296 OV HYSTERESIS (mV) TURN-OFF DELAY (µs) 6 294 5 4 292 2 290 0 0 0 2 4 6 8 10 12 14 16 18 20 –50 –25 0 25 50 75 100 125 0 5 10 15 20 25 30 35 VIN (V) TEMPERATURE (°C) OV VOLTAGE ABOVE THRESHOLD (mV) 4351 G04 4351 G05 3451 G06
IVIN vs Temperature IVDD vs Temperature Gate Off-Voltage vs Temperature
2.0 4.5 0.50 VIN = 1.2V VIN = 1.2V 1.9 VIN = 5V VIN = 5V 0.45 V V 1.8 IN = 12V IN = 12V V V 4.0 0.40 IN = 5V IN = 20V VIN = 20V VOUT = 5V 1.7 0.35 1.6 3.5 0.30 (V) (mA) 1.5 (mA) 0.25 I VIN 1.4 I VDD 3.0 V GOFF 0.20 VIN = 5V VOUT = 5.1V 1.3 0.15 1.2 2.5 0.10 1.1 0.05 1.0 2.0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 4351 G07 4351 G08 4351 G09 4351fd 4 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts