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LTC4224CDDB-1-TRPBF Datasheet(PDF) 3 Page - Linear Technology |
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LTC4224CDDB-1-TRPBF Datasheet(HTML) 3 Page - Linear Technology |
3 / 16 page LTC4224-1/LTC4224-2 3 422412fa ELECTRICAL CHARACTERISTICS 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: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to GND unless otherwise specified. The l denotes the specifications which apply over the full operating temperature range. TA = 25°C, VCC1 = 5V, VCC2 = 3.3V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Supplies VCC VCC Supply Range VCC = Max (VCC1, VCC2) l 2.7 6 V ICC VCC Supply Current l 1.4 3 mA VCC(UVL) VCC Undervoltage Lockout VCC Rising l 2.2 2.4 2.65 V VCCLO VCCLO Supply Range VCCLO = Min (VCC1, VCC2), VCC ≥ 2.7V l 16 V ICCLO VCCLO Supply Current l 40 100 μA VCCLO(UVL) VCCLO Undervoltage Lockout VCCLO Falling l 0.76 0.8 0.84 V External Gate Drive ΔVGATE Gate Drive (VGATEn – VCC) IGATEn = 0μA, –1μA l 4.5 5.5 7 V IGATE(UP) Gate Pull-Up Current Gate Drive On, VGATEn = 1V l –7 –10 –13 μA IGATE(DN) Gate Pull-Down Current VONn = 1V, VGATEn = 10V l 0.5 1.5 3 mA IGATE(FPD) Gate Fast Pull-Down Current Fast Turn-Off, VGATEn = 10V l 50 125 200 mA Current Limit ΔVSENSE(CB) Circuit Breaker Trip Sense Voltage (VCCn – SENSEn) l 22.5 25 27.5 mV ISENSE SENSE Input Current VSENSE1 = 5V, VSENSE2 = 3.3V l 40 100 μA Inputs and Outputs VON(TH) ONn Threshold Voltage VONn Rising l 0.76 0.8 0.84 V ΔVON(HYST) ONn Hysteresis l 15 30 50 mV ION(IN) ONn Pull-Up Current VONn = 1V l –5 –10 –15 μA VOL Output Low Voltage (FAULT)IFAULT = 3mA l 0.2 0.4 V Delay tCB Circuit Breaker Delay l 2.5 5 7.5 ms tPHL(SENSE) Sense Voltage, (VCCn – SENSEn) High to GATE Low ΔVSENSE = 200mV, CGATE = 10nF l 0.4 1 μs tPLH(GATE) ONn Low or Input Supply High to GATEn High Prop Delay l 510 15 ms tPLH(UVL) VCCn Low to GATEn Low Prop Delay l 816 μs tD(UV) UV Turn-On Delay VCC Out of UV l 80 160 240 ms tD(COOL) Auto-Retry Cooling Delay Note 3 l 24 6 s tBLANK Start-Up Circuit Breaker Blanking Delay l 2.5 5 7.5 ms Note 3: LTC4224-2 only. Note 4: The greater of VCC1 and VCC2 is the internal supply voltage (VCC). An internal clamp limits the GATE pin to a minimum 5V above VCC. Driving this pin beyond the clamp may damage the device. |
Similar Part No. - LTC4224CDDB-1-TRPBF |
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Similar Description - LTC4224CDDB-1-TRPBF |
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