LTC3783 ABSOLUTE MAXIMUM RATINGS (Note 1) VIN, SENSE, FBP, FBN Voltages ... –0.3V to 42V Operating Temperature Range (Note 2) INTVCC Voltage .. –0.3V to 9V LTC3783E ... –40°C to 85°C INTVCC Output Current .. 75mA LTC3783I.. –40°C to 125°C GATE Output Current ... 50mA (RMS) Junction Temperature (Note 3) .. –40°C to 125°C PWMOUT Output Current .. 25mA (RMS) Storage Temperature Range VREF Ouput Current ... 1mA DFN Package ... –65°C to 125°C GATE, PWMOUT Voltages ...–0.3V to (VINTVCC + 0.3V) TSSOP Package .. –65°C to 150°C ITH, ILIM, SS Voltages ... –0.3V to 2.7V Lead Temperature (Soldering, 10sec) RUN, SYNC, PWMIN Voltages... –0.3V to 7V TSSOP Package ... 300°C FREQ, VREF , OV/FB Voltages ... –0.3V to 1.5V PIN CONFIGURATION TOP VIEW TOP VIEW FBN 1 16 RUN FBN 1 16 RUN FBP 2 15 ITH FBP 2 15 ITH ILIM 3 14 OV/FB ILIM 3 14 OV/FB VREF 4 13 SS VREF 4 13 SS 17 17 FREQ 5 12 SENSE FREQ 5 12 SENSE SYNC 6 11 VIN SYNC 6 11 VIN PWMIN 7 10 INTVCC PWMIN 7 10 INTVCC PWMOUT 8 9 GATE PWMOUT 8 9 GATE DHD PACKAGE FE PACKAGE 16-LEAD (5mm × 4mm) PLASTIC DFN 16-LEAD PLASTIC TSSOP TJMAX = 125°C, θJA = 43°C/W TJMAX = 125°C, θJA = 38°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3783EDHD#PBF LTC3783EDHD#TRPBF 3783 16-Lead (5mm × 4mm) Plastic DFN –40°C to 85°C LTC3783IDHD#PBF LTC3783IDHD#TRPBF 3783 16-Lead (5mm × 4mm) Plastic DFN –40°C to 125°C LTC3783EFE#PBF LTC3783EFE#TRPBF 3783EFE 16-Lead Plastic TSSOP –40°C to 85°C LTC3783IFE#PBF LTC3783IFE#TRPBF 3783IFE 16-Lead Plastic TSSOP –40°C to 125°C LEAD BASED FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3783EDHD LTC3783EDHD#TR 3783 16-Lead (5mm × 4mm) Plastic DFN –40°C to 85°C LTC3783IDHD LTC3783IDHD#TR 3783 16-Lead (5mm × 4mm) Plastic DFN –40°C to 125°C LTC3783EFE LTC3783EFE#TR 3783IFE 16-Lead Plastic TSSOP –40°C to 85°C LTC3783IFE LTC3783IFE#TR 3783IFE 16-Lead Plastic TSSOP –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. 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/ 3783fb 2 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Pin Functions Block Diagram Operation Package Description Related Parts