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LTC3428 Datasheet(PDF) 2 Page - Linear Technology |
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LTC3428 Datasheet(HTML) 2 Page - Linear Technology |
2 / 12 page LTC3428 2 3428fb PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS VIN, VOUT, SWA, SWB Voltage........................ –0.3 to 6V SWA, SWB Voltage, Pulsed, <100ns...........................7V SHDN, VC, FB Voltage .................................... –0.3 to 6V Operating Temperature Range (Note 2)....–40°C to 85°C Storage Temperature Range...................–65°C to 125°C (Note 1) TOP VIEW DD PACKAGE 10-LEAD (3mm 3mm) PLASTIC DFN EXPOSED PAD MUST BE SOLDERED TO GROUND PLANE ON PCB 10 9 6 7 8 4 5 3 2 1 PGNDB SWB VIN AGND FB PGNDA SWA VOUT SHDN VC 11 TJMAX = 125°C, θJA = 45°C/W θJC = 3°C/W ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3428EDD#PBF LTC3428EDD#TRPBF LBBG 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3428EDD LTC3428EDD#TR LBBG 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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 PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Startup Voltage 1.5 1.6 V Quiescent Current, VOUT Quiescent Current, VIN SHDN = VIN SHDN = VIN 100 1.3 200 2.0 μA mA Shutdown Current SHDN = 0V 1 μA Switching Frequency Per Phase l 0.8 1.0 1.2 MHz FB Regulated Voltage l 1.219 1.243 1.268 V FB Input Current VFB = 1.24V 150 nA Error Amp Transconductance 170 μS Output Adjust Voltage 1.6 5.25 V The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 3.3V, VOUT = 5V unless otherwise noted. |
Similar Part No. - LTC3428_15 |
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Similar Description - LTC3428_15 |
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