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LTC2913 数据表(PDF) 4 Page - Linear Technology |
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LTC2913 数据表(HTML) 4 Page - Linear Technology |
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4 / 24 page  LTC4366 436612fe For more information www.linear.com/LTC4366 4 ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. All voltages relative to VSS, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VDD Regulator VZ(VDD) VDD Shunt Regulator Voltage I = 1mA l 11.5 12 12.5 V ∆VZ(VDD) VDD Shunt Regulator Load Regulation I = 1mA to 5mA LTC4366C/I/H LTC4366MP l l 30 30 90 130 mV mV VDD VDD Supply Voltage (Note 3) l 4.5 VZ(VDD) V IVDD(STLO) VDD Pin Current – Start-Up, Gate Low GATE = 0V, VDD = 7V, OUT = 0V l 15 23 µA IVDD(STHI) VDD Pin Current – Start-Up, Gate High GATE Open, VDD = 7V, OUT = 0V l 9 13 µA IVDD(SD) VDD Pin Current – Shutdown VDD = 7V, OUT = 0V l 5 8 µA OUT Regulator VZ(OUT) OUT Shunt Regulator Voltage I = 1mA, BASE = 0V l 5.0 5.7 6.0 V ∆VZ(OUT) OUT Shunt Regulator Load Regulation I = 1mA to 5mA l 30 70 mV OUT OUT Supply Voltage (Note 3) l 3.0 VZ(OUT) V VUVLO1 OUT Undervoltage Lockout 1 Rising LTC4366C/I/H LTC4366MP l l 2.42 2.42 2.55 2.55 2.75 2.80 V V ∆VUVH1 OUT Undervoltage Lockout 1 Hysteresis l 0.2 0.28 0.4 V VUVLO2 OUT Undervoltage Lockout 2 Rising l 4.5 4.75 4.9 V ∆VUVH2 OUT Undervoltage Lockout 2 Hysteresis l 0.3 0.4 0.5 V IOUT(AMP) OUT Pin Current – Regulation Amplifier On l 37 54 µA IOUT(CP) OUT Pin Current – Charge Pump On l 150 220 µA IOUT(SD) OUT Pin Current – Shutdown l 3 6 µA BASE, VSS VZ(BASE) BASE Shunt Regulator Voltage (OUT – BASE) I = –10µA, OUT = 4.5V l 5.5 6.2 6.6 V ∆VZ(BASE) BASE Shunt Regulator Load Regulation I = –10µA to –80µA, OUT = 4.5V l 125 200 mV IBASE BASE Pin Leakage Current OUT = 4.5V, BASE = –0.5V l –0.1 –0.8 –5.5 µA IVSS(AMP) VSS Pin Current – Regulation Amplifier On l –30 –45 –72 µA IVSS(CP) VSS Pin Current – Charge Pump On l –108 –160 –230 µA IVSS(SD) VSS Pin Current – Shutdown l –7 –12 µA GATE Drive ∆VGATE External N-Channel Gate Drive (GATE – OUT) OUT = 4.9V, I = 0, –1µA l 11.2 12 12.5 V IGATE(ST) GATE Pin Current – Start-Up GATE = OUT = 0V LTC4366C/I/H LTC4366MP l l –4.5 –3.2 –7.5 –7.5 –11 –11 µA µA IGATE(CP) GATE Pin Current – Charge Pump On GATE = 5V, OUT = 4.9V l –14 –20 –28 µA IGATE(FD) GATE Pin Current – Fast Discharge GATE = 10V, OUT = 4.9V l 122 200 300 mA IGATE(FLT) GATE Pin Current – Fault GATE = 10V, OUT = 4.9V l 0.3 0.7 1.2 mA |
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