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LT3782AEFE-PBF Datasheet(PDF) 4 Page - Linear Technology |
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LT3782AEFE-PBF Datasheet(HTML) 4 Page - Linear Technology |
4 / 20 page LT3782A 4 3782af VCC (V) 6 20 18 16 12 14 10 8 6 4 2 0 22 3782A G02 10 8 121620 26 14 18 30 24 28 VCC (V) 6 30 3782A G03 12 18 24 27 9 15 21 3 2 1 0 –1 –2 –3 –4 –5 12 10 8 6 4 2 0 –2 –4 ΔFREQUENCY ΔVREF IGBIAS (mA) 0 10.5 100 3782A G01 10.0 10.6 10.1 10.7 10.2 10.8 10.3 10.9 10.4 50 11.0 The ● denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C. VCC = 13V, RSET = 80k, no load on any outputs, unless otherwise noted. 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 LT3782AE is guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the –40°C to 125°C operating junction temperature range are assured by design, characterization and correlation with statistical process controls. The LT3782AI is guaranteed to meet performance specifications over the full –40°C to 125°C operating junction temperature range. Note 3: This IC includes overtemperature protection that is intended to protect the device during momentary overload conditions. Junction temperature will exceed 125°C when overtemperature protection is active. Continuous operation above the specified maximum operating junction temperature may impair device reliability. VGBIAS vs IGBIAS ICC vs VCC ΔVREF vs VCC, ΔFrequency vs VCC (RSET = 80k) ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Gate Driver VGBIAS IGBIAS < 70mA l 10.2 11 11.7 V BGATE1, BGATE2 High Voltage 13V ≤ VCC ≤ 24V, IBGATE = –100mA VCC = 8V, IBGATE = –100mA l l 7.8 3.8 9.2 5 10.5 V V BGATE1, BGATE2 Source Current (Peak) Capacitive Load >22μF Capacitive Load >50μF 3 4 A A BGATE1, BGATE2 Low Voltage 8V ≤ VCC ≤ 24V, IBGATE = 100mA l 0.5 0.7 V BGATE1, BGATE2 Sink Current (Peak) Capacitive Load >22μF Capacitive Load >50μF 3 4 A A SGATE1, SGATE2 High Voltage 8V ≤ VCC ≤ 24V, ISGATE = –20mA l 4.5 5.5 6.7 V SGATE1, SGATE2 Low Voltage 8V ≤ VCC ≤ 24V, ISGATE = 20mA 0.5 0.7 V SGATE1, SGATE2 Peak Current 500pF Load 100 mA Delay of BGATE High DELAY Pin and RSET Pin Shorted VDELAY = 1V VDELAY = 0.5V VDELAY = 0.25V 100 150 250 500 ns ns ns ns Delay Pin Input Current VDELAY = 0.25V l –0.1 –0.3 μA TA = 25°C unless otherwise noted. TYPICAL PERFORMANCE CHARACTERISTICS |
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