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LTC3547B Datasheet(PDF) 2 Page - Linear Technology |
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LTC3547B Datasheet(HTML) 2 Page - Linear Technology |
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2 / 16 page  LTC3547B 2 3547bfb VIN LTC3547BE .............................................. –0.3V to 6V LTC3547BI ............................................... –0.3V to 7V VFB1, VFB2 ......................................... –0.3V to VIN +0.3V RUN1, RUN2..................................... –0.3V to VIN +0.3V SW1, SW2 (DC) ................................ –0.3V to VIN +0.3V P-Channel Switch Source Current (DC)................500mA N-Channel Switch Sink Current (DC) ...................500mA Peak SW Sink and Source Current (Note 5) .........700mA Ambient Operating Temperature Range (Note 2) LTC3547BE .......................................... –40°C to 85°C LTC3547BI ......................................... –40°C to 125°C Maximum Junction Temperature........................... 125°C Storage Temperature Range................... –65°C to 125°C (Note 1) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN VIN Operating Voltage LTC3547BE, LTC3547BE-1, LTC3547BI ● ● 2.5 2.5 5.5 6.5 V V VUV VIN Undervoltage Lockout VIN Low to High ● 2.2 2.5 V IFB Feedback Pin Input Current LTC3547BE, VFB = VFBREG LTC3547BE-1, VFB = VFBREG ● ● 3 ±30 6 nA μA VFBREG1 Regulated Feedback Voltage (VFB1) LTC3547BE, 0°C ≤ TA ≤ 85°C LTC3547BE, –40°C ≤ TA ≤ 85°C LTC3547BI, –40°C ≤ TA ≤ 125°C LTC3547BE-1, 0°C ≤ TA ≤ 85°C LTC3547BE-1, –40°C ≤ TA ≤ 85°C ● ● ● 0.590 0.588 0.588 1.770 1.764 0.600 0.600 0.600 1.800 1.800 0.610 0.612 0.612 1.830 1.836 V V V V V VFBREG2 Regulated Feedback Voltage (VFB2) LTC3547BE, 0°C ≤ TA ≤ 85°C LTC3547BE, –40°C ≤ TA ≤ 85°C LTC3547BI, –40°C ≤ TA ≤ 125°C LTC3547BE-1, 0°C ≤ TA ≤ 85°C LTC3547BE-1, –40°C ≤ TA ≤ 85°C ● ● ● 0.590 0.588 0.588 1.180 1.176 0.600 0.600 0.600 1.200 1.200 0.610 0.612 0.612 1.220 1.224 V V V V V ELECTRICAL CHARACTERISTICS ABSOLUTE AXI U RATI GS TOP VIEW 9 DDB PACKAGE 8-LEAD (3mm × 2mm) PLASTIC DFN 5 6 7 8 4 3 2 1 VFB1 RUN1 VIN SW1 VFB2 RUN2 SW2 GND TJMAX = 125°C, θJA = 76°C/W EXPOSED PAD (PIN 9) IS GND MUST BE SOLDERED TO PCB ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3547BEDDB#PBF LTC3547BEDDB#TRPBF LCPD 8-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LTC3547BEDDB-1#PBF LTC3547BEDDB-1#TRPBF LCPF 8-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LTC3547BIDDB #PBF LTC3547BIDDB #TRPBF LCPD 8-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *Temperature grades are identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ PIN CONFIGURATION |
Similar Part No. - LTC3547B_15 |
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Similar Description - LTC3547B_15 |
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