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LTC3672B-1 Datasheet(PDF) 2 Page - Linear Technology |
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LTC3672B-1 Datasheet(HTML) 2 Page - Linear Technology |
2 / 12 page LTC3672B-1 2 3672B1f PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS VIN ............................................................... –0.3V to 6V VIN1, BUCKOUT, ENALL, SW, LDO2 ...........–0.3V to the lesser of (VIN + 0.3V) or 6V LDO1 ............. –0.3V to the lesser of (VIN1 + 0.3V) or 6V Junction Temperature ........................................... 125°C Operating Temperature Range...................... –40 to 85°C Storage Temperature Range....................... –65 to 125°C (Notes 1, 2, 3) TOP VIEW SW GND ENALL BUCKOUT VIN LDO2 LDO1 VIN1 DC PACKAGE 8-LEAD (2mm 2mm) PLASTIC DFN 9 4 1 2 3 6 5 7 8 TJMAX = 125°C, θJA = 102°C/W, θJC = 20°C/W EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATION ELECTRICAL CHARACTERISTICS 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. LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3672BEDC-1#PBF LTC3672BEDC-1#TRPBF LCWH 8-Lead (2mm × 2mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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/ SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Input Voltage Range ● 2.9 5.5 V VUVLO VIN Undervoltage Lockout Threshold VIN Rising 1.7 2 V Undervoltage Lockout Hysteresis 12 100 mV IQ,VIN VIN Quiescent Current All Outputs Enabled, No Load Shutdown (Note 4) VBUCKOUT = 1.9V VENALL = 0V 260 400 1 μA μA IQ,VIN1 VIN1 Quiescent Current All Outputs Enabled, No Load Shutdown VIN1 = 1.8V VENALL = 0V 2.3 5 1 μA μA VIL ENALL Pin Logic Low Voltage ● 0.4 V VIH ENALL Pin Logic High Voltage ● 1.2 V RENALL ENALL Pin Pulldown Resistance 5.5 M Ω Synchronous Buck Regulator fOSC Oscillator Frequency 1.8 2.25 2.7 MHz VBUCKOUT Regulated Output Voltage ● 1.755 1.8 1.845 V IMAXP PMOS Switch Maximum Peak Current (Note 5) 550 800 1100 mA IOUT,BUCK Available Output Current 400 mA RP,BUCK PMOS Switch On-Resistance 0.6 Ω RN,BUCK NMOS Switch On-Resistance 0.7 Ω |
Similar Part No. - LTC3672B-1 |
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Similar Description - LTC3672B-1 |
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