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LTC4055 Datasheet(PDF) 3 Page - Linear Technology |
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LTC4055 Datasheet(HTML) 3 Page - Linear Technology |
3 / 12 page LTC4416/LTC4416-1 4416fa Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC4416E is guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the –40°C to 85°C operating temperature range are assured by design, characterization and correlation with statistical process controls. The LTC4416I is guaranteed and tested over the –40°C to 125°C operating temperature range. Note 3: This results in the same supply current as would be observed with an external P-channel MOSFET connected to the LTC4416 and operating in forward regulation. Note 4: Only 3 of 9 permutations illustrated. This specification is the same when power is provided through VS or V2. This specification is only valid when V1, V2 and VS are within 28V of each other. Note 5: V1 and V2 are held at 12V and G1 and G2 are forced to 9V. VS is set at 12V to measure the source current at either G1 or G2. Note 6: V1 and V2 are held at 12V and G1 and G2 are forced to 9V. VS is set at 11.96V to measure the sink current at either G1 or G2. Note 7: V1 and V2 are held at 12V and G1 and G2 are forced to 9V. VS is set at 11.875V to measure the sink current at either G1 or G2. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS G1, G2 Controller IG(SRC) IG(SNK) IG(FO) IG(OFF) GATE Active Forward Regulation Source Current Sink Current Sink Current During Fast-On Source Current During Fast-Off (Note 5) (Note 6) (Note 7) (Note 12) –9 15 500 –2 200 –500 µA µA µA µA VG(ON) G1 and G2 Clamp Voltage Apply IG1 = IG2 = 2µA, VV1 = VV2 = 12V, VVS = 11.8V, Measure VV1 – VG1 or VV2 – VG2 ● 7.4 8.25 9.1 V VG(OFF) G1 and G2 Off Voltage Apply IG1 = IG2 = –30µA, VV1 = VV2 = 12V, VVS = 12.2V, Measure VV1 – VG1 or VV2 – VG2 ● 0.350 0.920 V tG(ON) G1 and G2 Turn-On Time VGS < –6V, CG = 17nF (Note 8) ● 60 µs tG(OFF) G1 and G2 Turn-Off Time VGS > –1.5V, CG = 17nF (Note 9) ● 30 µs tE(OFF) Enable Comparator Turn-Off Delay (Note 14) LTC4416-1 Only ● 6 µs H1 and H2 Open-Drain Drivers IH(OFF) H1 and H2 Off Current 3.6V ≤ VV1, VV2 ≤ 36V (Note 10) ● –1 1 µA VH(ON) H1 and H2 On Voltage 3.6V ≤ VV1, VV2 ≤ 36V (Note 10) ● 100 mV tH(ON) H1 and H2 Turn-On Time (Note 11) 5 µs tH(OFF) H1 and H2 Turn-Off Time (Note 11) 10 µs E1 and E2 Enable Input Comparators VREF E1 and E2 Input Threshold Voltage 3.6V ≤ VV1, VV2 ≤ 36V, –40°C to 85°C 4V ≤ VV1, VV2 ≤ 36V, –40°C to 125°C 1.180 1.180 1.215 1.215 1.240 1.240 V V IE E1 and E2 Input Leakage Current 0V ≤ VE1, VE2 ≤ 1.5V ● –100 100 nA IG(ENOFF) Source Current When Other Channel Enabled (Note 13) LTC4416 LTC4416-1 –9 –500 –3 µA µA The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V1 = V2 = 12V, E1 = 2V, E2 = GND, GND = 0V. Current into a pin is positive and current out of a pin is negative. All voltages are referenced to GND, unless otherwise specified. ELECTRICAL CHARACTERISTICS Note 8: V1 and V2 are held at 12V and VS is stepped from 12.2V to 11.8V to trigger the event. G1 and G2 voltages are initially VG(OFF). Note 9: V1 and V2 are held at 12V and VS is stepped from 11.8V to 12.2V to trigger the event. G1 and G2 voltages are initially VG(ON). Note 10: H1 and H2 are forced to 2V. E1 and E2 are forced to 1.5V to measure the off current of H1 and H2. H1 and H2 are forced with 1mA to measure the on voltage of H1 and H2. Note 11: H1 and H2 are forced to 2V. E1 and E2 are stepped from 1.3V to 1.1V to measure tS(ON). E1 and E2 are stepped from 1.1V to 1.3V to measure tS(OFF). Note 12: V1 and V2 are held at 12V and G1 and G2 are forced to 9V. VS is set to 12.05V to measure the source current at either G1 or G2. Note 13: V1 and V2 are held at 12V and G1 and G2 are forced to 9V. VS is set to 12V to measure the source current at either G1 or G2 when the channel is deselected. Note 14: V1 and V2 are held at 12V, VS = 11.96V and G1 and G2 have a 4k resistor each to 9V. Measure the delay after the channel is disabled until the gate signal begins to pull high. |
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