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LTM4632 Arkusz danych(PDF) 3 Page - Linear Technology |
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LTM4632 Arkusz danych(HTML) 3 Page - Linear Technology |
3 / 28 page LTM4632 3 4632fc For more information www.linear.com/LTM4632 ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Input DC Voltage l 3.6 15 V VIN_3.3 3.3V Input DC Voltage VIN = INTVCC l 3.1 3.3 3.5 V VOUT1(RANGE) VOUT2(RANGE) Output Voltage Range VIN = 3.6V to 15V l l 0.6 2.5 1.8 V V Output Specification (Channel 1) VOUT1(DC) CH1 Output Voltage, Total Variation with Line and Load CIN = 22µF, COUT = 100µF Ceramic RFB1 = 51.7k, MODE = GND, IOUT = –3A to 3A l 1.28 1.30 1.32 V IOUT1(DC) CH1 Output Continuous Current Range VIN = 12V, VOUT1 = 1.3V (Note 3) –3 3 A IQ1(VIN) CH1 Input Supply Bias Current VIN = 12V, VOUT1 = 1.3V, MODE = GND VIN = 12V, VOUT1 = 1.3V, MODE = INTVCC Shutdown, RUN1 = GND 13 400 40 mA µA µA IS1(VIN) CH1 Input Supply Current VIN = 12V, VOUT1 = 1.3V, IOUT = 3A 0.4 A ΔVOUT1(Line)/VOUT1 CH1 Line Regulation Accuracy VOUT1 = 1.3V, VIN = 3.6V to 15V, IOUT1 = 0A l 0.01 0.05 %/V ΔVOUT1(Load)/VOUT1 CH1 Load Regulation Accuracy VOUT1 = 1.3V, IOUT = –3A to 3A l 0.2 1.0 % VOUT1(AC) CH1 Output Ripple Voltage IOUT = 0A, COUT = 47µF Ceramic VIN = 12V, VOUT1 = 1.3V 30 mV ΔVOUT1(START) CH1 Turn-On Overshoot IOUT = 0A, COUT = 47µF Ceramic, TRACK/SS1 = –0.1µF, VIN = 12V, VOUT1 = 1.3V 30 mV tSTART Turn-On Time COUT = 100µF Ceramic, TRACK/SS1 = 0.01µF No Load, VIN = 12V, VOUT1 = 1.3V 1.2 ms ΔVOUTLS1 CH1 Peak Deviation for Dynamic Load Load: 0% to 25% to 0% of Full Load COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V 85 mV tSETTLE1 CH1 Settling Time for Dynamic Load Step Load: 0% to 25% to 0% of Full Load COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V 20 µs IOUTPK1 CH1 Output Current Limit VIN = 12V, VOUT1 = 1.3V 4.5 A Output Specification (Channel 2) VOUT2(DC) CH2 Output Voltage, Total Variation with Line and Load CIN = 22µF, COUT = 100µF Ceramic VDDQIN= 1.3V, MODE = GND, IOUT = –3A to 3A l 637 650 663 mV IOUT2(DC) CH2 Output Continuous Current Range VIN = 12V, VDDQIN = 1.3V (Note 3) –3 3 A IQ2(VIN) CH2 Input Supply Bias Current VIN = 12V, VDDQIN = 1.3V, MODE = GND Shutdown, RUN2 = 0 7 40 mA µA IS2(VIN) CH2 Input Supply Current VIN = 12V, VDDQIN = 1.3V, IOUT = 3A 0.25 A ΔVOUT2(Line)/VOUT2 CH2 Line Regulation Accuracy VDDQIN = 1.3V, VIN = 3.6V to 15V, IOUT2 = 0A l 0.01 0.05 %/V ΔVOUT2(Load)/VOUT2 CH2 Load Regulation Accuracy VDDQIN = 1.3V, IOUT = –3A to 3A l 0.2 1.0 % VOUT2(AC) CH2 Output Ripple Voltage IOUT = 0A, COUT = 100µF Ceramic VIN = 12V, VDDQIN = 1.3V 30 mV ΔVOUTLS2 CH2 Peak Deviation for Dynamic Load Load: 0% to 25% to 0% of Full Load COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V 85 mV tSETTLE2 CH2 Settling Time for Dynamic Load Step Load: 0% to 25% to 0% of Full Load COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V 20 µs IOUTPK2 CH2 Output Current Limit 4.5 A The l denotes the specifications that apply over the specified internal operating temperature range (Note 2). Specified as each individual output channel at TA = 25°C (Note 2), VIN = 12V, unless otherwise noted, per the typical application in Figure 19 |
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