LTC3309A ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) V TOP VIEW IN .. –0.3V to 6V EN .. –0.3V to Lesser of (VIN + 0.3V) or 6V FB .. –0.3V to Lesser of (V FB PGOOD IN + 0.3V) or 6V MODE/SYNC .. –0.3V to Lesser of (V 12 11 IN + 0.3V) or 6V AGND 1 10 RT RT .. –0.3V to Lesser of (VIN + 0.3V) or 6V EN 2 9 MODE/SYNC 13 AGND to PGND ... –0.3V to +0.3V PGND V 3 8 V PGOOD ... –0.3V to 6V IN IN I PGND 4 7 PGND 5 6 PGOOD ..5mA Operating Junction Temperature Range (Note 2): SW SW LTC3309AE ... –40˚C to +125°C LQFN PACKAGE LTC3309AI ...–40˚C to +125˚C 12-LEAD (2mm × 2mm × 0.74mm) LTC3309AH ...–40˚C to +150˚C TJMAX = 150°C, θJA = 51°C/W, θJB = 12°C/W, θJCBOTTOM = 8.6°C/W, θJCTOP = 73°C/W, ΨJT = 0.6°C/W LTC3309AMP ...–55˚C to +150˚C θ AND Ψ VALUES DETERMINED PER JESD51-7 ON A JEDEC 2S2P PCB, EXPOSED PAD (PIN 13) IS PGND, MUST BE SOLDERED TO PCB Storage Temperature Range ...–65˚C to +150°C Maximum Reflow (Package Body) Temperature ...260°C ORDER INFORMATIONPART MARKING*PACKAGEMSLPART NUMBERPAD OR BALL FINISHDEVICEFINISH CODE**TYPERATINGTEMPERATURE RANGE LTC3309AEV#TRPBF LHFP –40°C to 125°C LTC3309AIV#TRPBF LHFP –40°C to 125°C LTC3309AHV#TRPBF LHFP –40°C to 150°C LQFN LTC3309AMPV#TRPBF LHFP –55°C to 150°C Au (RoHS) e4 (Laminate 3 LTC3309AEV#TRMPBF LHFP Package with –40°C to 125°C QFN Footprint) LTC3309AIV#TRMPBF LHFP –40°C to 125°C LTC3309AHV#TRMPBF LHFP –40°C to 150°C LTC3309AMPV#TRMPBF LHFP –55°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. **Pad or ball finish code is per IPC/JEDEC J-STD-609. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev. 0 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts