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LTC1142HVCG bảng dữ liệu(PDF) 3 Page - Linear Technology |
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LTC1142HVCG bảng dữ liệu(HTML) 3 Page - Linear Technology |
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3 / 20 page  3 LTC1142/LTC1142L/LTC1142HV ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V10 = V24 = 10V, VSHDN = 0V unless otherwise noted. V2, V16 Feedback Voltage LTC1142HV-ADJ Only: V10, V24 = 9V 1.21 1.25 1.29 V I2, I16 Feedback Current LTC1142HV-ADJ Only 0.2 1 µA VOUT Regulated Output Voltage LTC1142, LTC1142HV 3.3V Output ILOAD = 700mA, V24 = 9V 3.17 3.33 3.43 V 5V Output ILOAD = 700mA, V10 = 9V 4.85 5.05 5.20 V I10, I24 Input DC Supply Current (Note 3) LTC1142 Normal Mode 4V < V10, V24 < 12V 1.6 2.4 mA Sleep Mode 4V < V24 < 12V, 6V < V10 < 12V 160 260 µA Shutdown VSHDN = 2.1V, 4V < V10, V24 < 12V 10 22 µA Input DC Supply Current (Note 3) LTC1142HV-ADJ, LTC1142HV Normal Mode 4V < V10, V24 < 18V 1.6 2.6 mA Sleep Mode 4V < V24 < 18V, 6V < V10 < 18V 160 280 µA Shutdown VSHDN = 2.1V, 4V < V10, V24 < 12V 10 24 µA Input DC Supply Current (Note 3) LTC1142L-ADJ (Note 6) Normal Mode 3.5V < V10, V24 < 12V 1.6 2.4 mA Sleep Mode 3.5V < V10, V24 < 12V 160 260 µA Shutdown VSD1 = VSD2 = 2.1V, 3.5V < V10, V24 < 12V 10 22 µA V1 – V28 Current Sense Threshold Voltage LTC1142HV-ADJ, LTC1142L-ADJ V15 – V14 V14 = V28 = VOUT + 100mV, V2 = V16 = VREF + 25mV 25 mV V14 = V28 = VOUT – 100mV, V2 = V16 = VREF – 25mV 125 150 175 mV LTC1142, LTC1142HV V28 = VOUT + 100mV (Forced) 25 mV V28 = VOUT – 100mV (Forced) 125 150 175 mV SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input DC Supply Current (Note 3) LTC1142HV, LTC1142HV-ADJ Normal Mode 4V < V10, V24 < 18V 1.6 2.3 mA Sleep Mode 4V < V24 < 18V, 6V < V10 < 18V 160 250 µA Shutdown VSD1 = VSD2 = 2.1V, 4V < V10, V24 < 18V 10 22 µA Input DC Supply Current (Note 3) LTC1142L-ADJ (Note 6) Normal Mode 3.5V < V10, V24 < 12V 1.6 2.1 mA Sleep Mode 3.5V < V10, V24 < 12V 160 230 µA Shutdown VSD1 = VSD2 = 2.1V, 3.5V < V10, V24 < 12V 10 20 µA V1 – V28 Current Sense Threshold Voltage LTC1142HV-ADJ, LTC1142L-ADJ V15 – V14 V14 = V28 = VOUT + 100mV, V2 = V16 = VREF + 25mV 25 mV V14 = V28 = VOUT – 100mV, V2 = V16 = VREF – 25mV q 130 150 170 mV LTC1142, LTC1142HV V28 = VOUT + 100mV (Forced) 25 mV V28 = VOUT – 100mV (Forced) q 130 150 170 mV LTC1142, LTC1142HV V14 = VOUT + 100mV (Forced) 25 mV V14 = VOUT – 100mV (Forced) q 130 150 170 mV VSHDN Shutdown Pin Threshold 0.5 0.8 2 V ISHDN Shutdown Pin Input Current 0V < VSHDN < 8V, V10, V24 = 16V 1.2 5 µA I11, I24 CT Pin Discharge Current VOUT in Regulation, VSENSE– = VOUT 50 70 90 µA VOUT = 0V 2 10 µA tOFF Off-Time (Note 4) CT = 390pF, ILOAD = 700mA 4 5 6 µs tr, tf Driver Output Transition Times CL = 3000pF (Pins 6, 9, 20, 23), V10, V24 = 6V 100 200 ns –40 °C ≤ TA ≤ 85°C (Note 5), V10 = V24 = 10V, unless otherwise noted. |
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