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LTC2952CF Datasheet(PDF) 3 Page - Linear Technology |
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LTC2952CF Datasheet(HTML) 3 Page - Linear Technology |
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3 / 30 page  LTC2952 3 2952fa ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V1 = V2 = VS = 2.7V to 28V unless otherwise noted. (Notes 2, 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VMAX Operating Supply Voltage V1, V2 or VS l 2.7 28 V IIN_OFF Quiescent Supply Current Both Ideal Diodes Switched Off (M1 = Open, M2 = 0V) V1 = 2.7V to 28V, V2 = 0V, VS = Open or V2 = 2.7V to 28V, V1 = 0V, VS = Open. Measured Current at V1 or V2. l 24 60 μA V1 = 2.7V to 28V, V2 = 3.5V, VS = Open. Measured Current at V1. l 515 μA V1 = 2.7V to 28V, V2 = 3.5V, VS = Open. Measured Current at V2. l 23 50 μA IIN_ON Quiescent Supply Current Both Ideal Diodes Switched On (M1 = 0V, M2 = 0V) V1 = VS = 2.7V to 28V, V2 = 0V or V2 = VS = 2.7V to 28V, V1 = 0V. Measured Combined Current at V1 and VS or V2 and VS. l 65 170 μA V2PREF_TH V2 Preferential Threshold Voltage (M1 = Open, M2 = 0V) (Note 4) V1 = 28V, VS = Open. l 3.3 3.8 V ILEAK V1, V2 and VS Inter Pin Leakage to the Highest Supply V1 = 28V, V2 = VS = 0V; V1 = VS = 0V, V2 = 28V; V1 = V2 = 0V, VS = 28V ±3 μA Ideal Diode Function VFR Ideal Diode PowerPath Forward Regulation Voltage (V1 or V2) – VS, 2.7V ≤ (V1 or V2) ≤ 28V l 10 20 35 mV VRTO Ideal Diode PowerPath Fast Reverse Turn-Off Threshold Voltage (V1 or V2) – VS, 2.7V ≤ (V1 or V2) ≤ 28V ΔIG ≤ –100μA/mV l –20 –35 –64 mV IG(SRC) Gate Turn-Off Current G1 = G2 = VMAX – 1.5V l –2 –5 –10 μA IG(SNK) Gate Turn-On Current V1 = V2 = 2.7V to 28V, VS = (V1 or V2) – 40mV, G1 = G2 = VMAX –1.5V. l 2 5 10 μA IG(FASTSRC) Gate Fast Turn-Off Source Current V1 = V2 = 2.7V to 28V, VS = (V1 or V2) + 0.1V, G1 = G2 = VMAX –1.5V. l –0.5 –2.5 –10 mA IG(FASTSNK) Gate Fast Turn-On Sink Current V1 = V2 = 5V to 28V, VS = (V1 or V2) – 0.1V, G1 = G2 = VMAX – 1.5V. l 0.3 0.7 2 mA VG(ON) Gate Clamp Voltage IGX = 2μA, VX = 8V to 28V, VS = VX – 0.1V Measure VX – VGX l 678 V VG(OFF) Gate Off Voltage IGX = –2μA, VX = 2.7V to 28V, VS = VX + 0.1V Measure VMAX – VGX l 0.2 0.4 V tG(ON) Gate Turn-On Time VG(OFF) to VGS ≤ –3V, CGATE = 1nF (Note 5), V1 = V2 = 12V 0.1 2.5 10 μs tG(OFF) Gate Turn-Off Time VG(ON) to VGS ≥ –1.5V, CGATE = 1nF (Note 6), V1 = V2 = 12V 0.1 2.5 10 μs Pushbutton Pin (PB) VPB(VOC) PB Open-Circuit Voltage IPB = –1μA l 146 V IPB PB Input Current VPB(VOC) < VPB ≤ 28V 0V ≤ VPB < VPB(VOC) l l –1 –10 ±1 –25 μA μA VTH_PB PB Input Threshold Voltage PB Falling From High to Low l 0.65 0.77 0.8 V VHYS_PB PB Input Hysteresis l 10 25 150 mV |
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