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LT3667 Datasheet(PDF) 3 Page - Linear Technology |
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LT3667 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 34 page  LT3667 3 3667fb For more information www.linear.com/LT3667 ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LT3667EMSE#PBF LT3667EMSE#TRPBF 3667 16-Lead Plastic MSOP –40°C to 125°C LT3667IMSE#PBF LT3667IMSE#TRPBF 3667 16-Lead Plastic MSOP –40°C to 125°C LT3667HMSE#PBF LT3667HMSE#TRPBF 3667 16-Lead Plastic MSOP –40°C to 150°C LT3667EUDD#PBF LT3667EUDD#TRPBF LGFH 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT3667IUDD#PBF LT3667IUDD#TRPBF LGFH 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT3667HUDD#PBF LT3667HUDD#TRPBF LGFH 24-Lead (3mm × 5mm) Plastic QFN –40°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is 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/ ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN1 = 12V unless otherwise noted. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS VIN1 Undervoltage Lockout (Note 6) VIN2 = 0V, VIN3 = 0V l 4 4.3 V VIN1 Overvoltage Lockout l 40 42 44 V VIN2 Undervoltage Lockout (Note 6) VIN1 = 3.5V, VIN3 = 0V l 4 4.3 V UVLO1 Threshold Voltage Pin Voltage Falling l 0.95 1 1.05 V UVLO1 Pin Hysteresis 75 mV UVLO1 Pin Current VUVLO1 = 1V 1 30 nA Quiescent Current from IN1 VEN = 0.3V VEN = 12V, VIN2 = 0V, Not Switching l 0.01 13 1 30 µA µA Quiescent Current from IN2 VEN = 0.3V VEN = 12V, VIN1 = 0V, VIN2 = 5V l 0.01 38 1 80 µA µA Quiescent Current from IN1 + IN2 VEN = 0.3V, VIN2 = 5V VEN = 12V, VIN2 = 5V, Not Switching l 0.01 40 1 90 µA µA Quiescent Current from IN3 VEN = 0.3V, VIN3 = 5V VEN = 12V, VIN3 = 5V l 0.01 25 1 60 µA µA EN Pin Current VEN = 12V 0.6 2 µA EN Input Threshold 0.3 1.1 V Power Good Pins PG (MSOP), PG1, PG2, PG3 (QFN) Leakage Current VPG = 5V, VPG1/2/3 = 5V 0.1 1 µA Output Voltage Low IPG = 40µA, IPG1/2/3 = 40µA l 0.2 0.3 V Threshold as % of VFB (FB1, FB2, FB3) Pin Voltage Falling Pin Voltage Rising 88 108 90 110 92 112 % % PG1 Threshold Hysteresis Measured at FB1 Pin 30 mV PG2/PG3 Threshold Hysteresis Measured at FB2/FB3 Pin 20 mV |
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