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LTC3838 Datasheet(PDF) 6 Page - Linear Technology |
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LTC3838 Datasheet(HTML) 6 Page - Linear Technology |
6 / 54 page LTC3838 6 3838fa TYPICAL PERFORMANCE CHARACTERISTICS Transient Response (Discontinuous Mode) Load Release with Detect Transient (DTR) Feature Enabled Load Release with Detect Transient (DTR) Feature Disabled Load Step (Discontinuous Mode) Load Release (Discontinuous Mode) Transient Response (Forced Continuous Mode) Load Step (Forced Continuous Mode) Load Release (Forced Continuous Mode) ILOAD 10A/DIV IL 10A/DIV 50μs/DIV 3838 G01 LOAD TRANSIENT = 0A TO 15A TO 0A VIN = 12V VOUT = 1.2V FIGURE 17 CIRCUIT, CHANNEL 1, VRNG1 = SGND VOUT 50mV/DIV AC-COUPLED ILOAD 10A/DIV IL 10A/DIV 5μs/DIV 3838 G02 LOAD STEP = 0A TO 15A VIN = 12V VOUT = 1.2V FIGURE 17 CIRCUIT, CHANNEL 1, VRNG1 = SGND VOUT 50mV/DIV AC-COUPLED ILOAD 10A/DIV IL 10A/DIV 5μs/DIV 3838 G03 LOAD RELEASE = 15A TO 0A VIN = 12V VOUT = 1.2V FIGURE 17 CIRCUIT, CHANNEL 1, VRNG1 = SGND VOUT 50mV/DIV AC-COUPLED ILOAD 10A/DIV IL 10A/DIV 50μs/DIV 3838 G04 LOAD TRANSIENT = 500mA TO 15A TO 500mA VIN = 12V VOUT = 1.2V FIGURE 17 CIRCUIT, CHANNEL 1, VRNG1 = SGND VOUT 50mV/DIV AC-COUPLED ILOAD 10A/DIV IL 10A/DIV 5μs/DIV 3838 G05 LOAD STEP = 500mA TO 15A VIN = 12V VOUT = 1.2V FIGURE 17 CIRCUIT, CHANNEL 1, VRNG1 = SGND VOUT 50mV/DIV AC-COUPLED ILOAD 10A/DIV IL 10A/DIV 5μs/DIV 3838 G06 LOAD RELEASE = 15A TO 500mA VIN = 12V VOUT = 1.2V FIGURE 17 CIRCUIT, CHANNEL 1, VRNG1 = SGND VOUT 50mV/DIV AC-COUPLED SW 3V/DIV VOUT 50mV/DIV AC-COUPLED ITH 1V/DIV IL 10A/DIV 5μs/DIV 3838 G08 LOAD RELEASE = 15A TO 5A VIN = 5V VOUT = 0.6V FIGURE 17 CIRCUIT, CHANNEL 1 MODIFIED: RFB2 = 0Ω, VRNG2 = SGND, CITH1 = 120pF, CITH2 = 0pF, RITH1/2 = 46.4k TO SGND//42.2k TO INTVCC, CONNECTION FROM RITH1/2 AND CITH1 TO DTR1 PIN REMOVED. DTR1 PIN TIED TO INTVCC SW 3V/DIV VOUT 50mV/DIV AC-COUPLED ITH 1V/DIV IL 10A/DIV 5μs/DIV 3838 G07 LOAD RELEASE = 15A TO 5A VIN = 5V VOUT = 0.6V FIGURE 17 CIRCUIT, CHANNEL 1 MODIFIED: RFB2 = 0Ω, VRNG2 = SGND, CITH1 = 120pF, CITH2 = 0pF, FROM DTR1 PIN: RITH1 = 46.4k TO SGND, RITH2 = 42.2k TO INTVCC |
Similar Part No. - LTC3838_15 |
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Similar Description - LTC3838_15 |
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