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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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LTM4613 bảng dữ liệu(PDF) 3 Page - Linear Technology |
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LTM4613 bảng dữ liệu(HTML) 3 Page - Linear Technology |
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3 / 28 page  LTM8001 3 8001f For more information www.linear.com/8001 ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. RUN = 3V unless otherwise noted (Note 3). PARAMETER CONDITIONS MIN TYP MAX UNITS Buck Regulator Minimum VIN0 Input Voltage l 6 V VOUT0 Output DC Voltage 0A < IOUT ≤ 3A, RFB0 Open 0A < IOUT ≤ 3A; RFB0 = 536Ω 1.2 24 V V VOUT0 Output DC Current 6V < VIN0 < 36V, VOUT = 3.3V 0 5 A Quiescent Current Into VIN0 RUN = 0V No Load 0.1 26 1 40 µA mA VOUT0 Line Regulation 6V < VIN0 < 36V, IOUT = 4.5A ±0.5 % VOUT0 Load Regulation VIN0 = 24V, 0A < IOUT < 4.5A ±1.2 % VOUT0 RMS Voltage Ripple VIN0 = 24V, IOUT = 4.5A 10 mV Switching Frequency RT = 39.2k RT = 200k 1000 200 kHz kHz Voltage at FB0 Pin l 1.15 1.19 1.21 V Internal FBO Resistor 10 kΩ RUN Pin Current RUN = 1.45V 5.5 µA RUN Threshold Voltage (Falling) 1.49 1.61 V RUN Threshold Voltage (Rising) 1.63 1.75 V ILIM Control Range 0 1.5 V ILIM Pin Current 100 nA ILIM Current Limit Accuracy ILIM = 1.5V ILIM = 0.75V 5.1 2.5 6.4 3.4 A A VREF Voltage 0.5mA Load 1.9 2 2.1 V SS Pin Current 11 µA SYNC Input Low Threshold fSYNC = 500kHz 0.8 V SYNC Input High Threshold fSYNC = 500kHz 1.2 V SYNC Input Current SYNC = 0V SYNC = 2V –0.1 0.1 µA µA LDO Array SET1-5 Pin Current BIAS123 = BIAS45 = 2V, SETx = 0V, IOUT1-5 = 1mA l 9.85 9.80 10 10 10.15 10.20 µA µA VOUTx – SETx Offset Voltage BIAS123 = BIAS45 = 2V, SETx = 0V, IOUT1-5 = 1mA l –4 –6.5 4 6 mV mV Line Regulation for SET Current 1V < VOUT0 = VIN45 < 22V, IOUTx = 1mA (Note 4) l 11 nA Line Regulation for VOUT1-5 1V < VOUT0 = VIN45 < 22V, IOUTx = 1mA (Note 4) 0.25 mV Load Regulation for SETx Current IOUT1-5 = 1mA to 1.1A 1 nA Load Regulation for VOUT1-5 IOUT1-5 = 1mA to 1.1A l 34 52 mV mV Minimum Load Current for VOUT1-5 (Note 4) VOUT0 = VIN45 = BIAS123 = BIAS45 = 10V VOUT0 = VIN45 = BIAS123 = BIAS45 = 22V l l 500 1 µA mA BIAS123, BIAS45 Dropout Voltage IOUT1-5 = 100mA IOUT1-5 = 1.1A l 1.2 1.6 V V VOUT0 to VOUT1-3 and VIN45 to VOUT4-5 Dropout Voltage IOUT1-5 = 100mA IOUT1-5 = 1.1A l 100 500 mV mV |
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