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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4331 датащи(PDF) 3 Page - Analog Devices |
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LTC4331 датащи(HTML) 3 Page - Analog Devices |
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3 / 22 page  LT3960 3 Rev. A For more information www.analog.com ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Low Dropout Regulator VIN Input Voltage Operating Range VCC Regulated Internally from VIN VIN Tied to VCC, 3.3V Range VIN Tied to VCC, 5V Range l l l 4 3 4.5 60 3.6 5.5 V V V IIN(SD) VIN Shutdown Current EN/MODE = 0V 20 26 µA VCC LDO Regulation Voltage 4V ≤ VIN ≤ 60V, ILDO = 1mA 3.1 3.3 3.5 V VLINE LDO Line Regulation 4V ≤ VIN ≤ 60V, ILDO = 1mA 0.05 %/V VLOAD LDO Load Regulation 0.1mA < ILDO < 100mA 0.05 %/mA VCC,LOW LDO Voltage at Low VIN ILDO = 85mA, VIN = 4V 3 V ILIMCC LDO Current Limit LDO Foldback Current Limit VCC = 3.0 VCC = 0.5V 100 130 25 160 mA mA VUVLO VCC Undervoltage Lockout Threshold VCC Undervoltage Lockout Hysteresis VCC Falling l 2.6 2.7 75 2.9 V mV ICC VCC Shutdown Supply Current VCC Operating Supply Current EN/MODE = 0V, VCC = VIN EN/MODE ≥ 0.7V, VCC = VIN 4.2 3 6 mA mA EN/MODE Selection VSHDN EN/MODE Shutdown Threshold Falling l 400 700 800 mV VSHDN-HYS EN/MODE Shutdown Hysteresis 50 mV VMSTR EN/MODE Master Threshold l 1.9 2 2.2 V IEN-UP EN/MODE Pin Bias Current Low EN/MODE = 350mV 2 µA CAN Drivers VO(D) Bus Output Voltage (Dominant) CANxH t < tTO:CAN VCC = 3.3V l 2.15 2.9 3.3 V VCC = 5V l 2.75 3.6 4.5 V CANxL t < tTO:CAN VCC = 3.3V l 0.5 0.9 1.65 V VCC = 5V 0.5 1.4 2.25 V VO(R) Bus Output Voltage (Recessive) VCC = 3.3V, No Load (Figure 1) VCC = 5V, No Load (Figure 1) l l 1.45 2 1.95 2.5 2.45 3 V V VOD(D) Differential Output Voltage (Dominant) RL = 50Ω to 65Ω VCC = 3.3V l 1.5 2.2 3 V VOD(D) Differential Output Voltage (Dominant) VCC = 5V 2.7 3.1 3.5 V VOD(R) Differential Output Voltage (Recessive) No Load (Figure 1) l –500 0 50 mV VOC(R) Common Mode Output Voltage (Dominant) VCC = 3.3V, (Figure 1) VCC = 5V, (Figure 1) l l 1.45 2 1.95 2.5 2.45 3 V V IOS(D) Bus Output Short-Circuit Current (Dominant) CANxH CANxH = 0V l –150 –75 –40 mA CANxH –40V < CANxH < VO(R) l –150 3 mA CANxL CANxL = 5V l 25 75 100 mA CANxL VCC < CANxL < 40V l –3 100 mA CAN Receivers VCM Bus Common Mode Voltage = (CANxH+CANxL)/2 for Data Reception VCC = 3.3V VCC = 5V l l ±25 ±36 V V VTH+ Bus Input Differential Threshold Voltage (Positive Going) VCC = 3.3V, –25V ≤ VCM ≤ 25V VCC = 5V, –36V ≤ VCM ≤ 36V l l 775 775 900 900 mV mV VTH– Bus Input Differential Threshold Voltage (Negative Going) VCC = 3.3V, –25V ≤ VCM ≤ 25V VCC = 5V, –36V ≤ VCM ≤ 36V l l 500 500 625 625 mV mV The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VCC = 3.3V, Figure 1 Applies with RPU = 4.99k, RL = 60Ω, EN/MODE = VCC, TYP values unless otherwise specified. |
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