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LTC1923 Datasheet(PDF) 2 Page - Linear Technology |
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LTC1923 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 28 page  2 LTC1923 1923f VDD to GND................................................. – 0.3V to 6V SDSYNC, RSLEW ......................................... – 0.3V to 6V FB, CNTRL, VTHRM, ILIM, VSET..................... – 0.3V to 6V CS +, CS –, TEC+, TEC – .................................– 0.3V to 6V ORDER PART NUMBER LTC1923EGN TJMAX = 125°C, θJA = 120°C/W ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VDD = 5V, RSLEW = VDD, SDSYNC = VDD, RT = 10k, CT = 330pF unless otherwise noted. ELECTRICAL CHARACTERISTICS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TOP VIEW GN PACKAGE 28-LEAD PLASTIC SSOP 28 27 26 25 24 23 22 21 20 19 18 17 16 15 PLLLPF RSLEW SDSYNC CNTRL EAOUT FB AGND SS ILIM VSET FAULT VTHRM H/C VTEC RT CT VREF PDRVB NDRVB VDD PGND NDRVA PDRVA CS+ CS– ITEC TEC+ TEC– Consult LTC Marketing for parts specified with wider operating temperature ranges. (Note 1) FAULT, H/C ................................................. – 0.3V to 6V Operating Temperature Range (Note 2) .. – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 125°C Lead Temperature (Soldering, 10 sec).................. 300 °C ORDER PART NUMBER LTC1923EUH 32 31 30 29 28 27 26 25 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 8 7 6 5 4 3 2 1 CNTRL EAOUT FB AGND NC SS ILIM VSET PDRVB NDRVB VDD VDD PGND NDRVA PDRVA CS + UH PACKAGE 32-LEAD PLASTIC QFN PIN 1 TOP VIEW TJMAX = 125°C, θJA = 34°C/W SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Supply VDD Operating Supply Voltage q 2.7 5.5 V UVLO Undervoltage Lockout Low to High Threshold q 2.6 2.7 V UVHYST Hysteresis High to Low q 50 130 mV IDD Operating Supply Current No Output Load, Outputs Not Switching 2 4 mA IDDSHDN Shutdown IDD SDSYNC = 0V 10 25 µA SHDNTH Shutdown Threshold Measured at PDRVA, PDRVB 0.3 0.8 1.4 V |
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Similar Description - LTC1923 |
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