Datasheet LTC3109 (Analog Devices) - 2

LTC3109
absoluTe MaxiMuM raTings (Note 1)
SWA, SWB, VINA, VINB Voltage .. –0.3V to 2V VLDO, VSTORE .. –0.3V to 6V C1A, C1B Voltage ... –0.3V to 6V VAUX ..15mA Into VAUX C2A, C2B Voltage (Note 6) .. –8V to 8V Operating Junction Temperature Range VOUT2, VOUT2_EN .. –0.3V to 6V (Note 2) .. –40°C to 125°C VS1, VS2, VOUT, PGOOD .. –0.3V to 6V Storage Temperature Range .. –65°C to 125°C
pin conFiguraTion
TOP VIEW TOP VIEW VS2 VS1 C1A C2A GND VS1 1 20 C1A 20 19 18 17 16 VS2 2 19 C2A VSTORE 1 15 SWA VSTORE 3 18 GND VAUX 2 14 VINA VAUX 4 17 SWA 21 VOUT 3 GND 13 VINB VOUT 5 16 VINA VOUT2 4 12 SWB VOUT2 6 15 VINB VOUT2_EN 5 11 GND VOUT2_EN 7 14 SWB PGOOD 8 13 GND 6 7 8 9 10 VLDO 9 12 C2B VLDO GND C1B C2B GND 10 11 C1B PGOOD UF PACKAGE GN PACKAGE 20-LEAD (4mm × 4mm) PLASTIC QFN 20-LEAD PLASTIC SSOP T JMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 21) IS GND (Note 5) TJMAX = 125°C, θJA = 90°C/W
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3109EUF#PBF LTC3109EUF#TRPBF 3109 20-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LTC3109IUF#PBF LTC3109IUF#TRPBF 3109 20-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LTC3109EGN#PBF LTC3109EGN#TRPBF LTC3109GN 20-Lead Plastic SSOP –40°C to 125°C LTC3109IGN#PBF LTC3109IGN#TRPBF LTC3109GN 20-Lead Plastic SSOP –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. 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/ 3109fb 2 For more information www.linear.com/LTC3109 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts