Datasheet LTC3890-1 (Analog Devices) - 2

LTC3890-1
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 65V TOP VIEW Topside Driver Voltages ITH1 1 28 TRACK/SS1 BOOST1, BOOST2 ..–0.3V to 71V V 2 27 FB1 PGOOD1 Switch Voltage (SW1, SW2) ... –5V to 65V SENSE1+ 3 26 TG1 (BOOST1-SW1), (BOOST2-SW2) .. –0.3V to 6V SENSE1– 4 25 SW1 RUN1, RUN2 ... –0.3V to 8V FREQ 5 24 BOOST1 Maximum Current Sourced into Pin PLLIN/MODE 6 23 BG1 from Source >8V ...100µA SGND 7 22 VIN SENSE1+, SENSE2+, SENSE1– RUN1 8 21 PGND SENSE2– Voltages ... –0.3V to 28V RUN2 9 20 EXTVCC PLLIN/MODE, INTV SENSE2– 10 19 INTVCC CC Voltages ... –0.3V to 6V FREQ Voltage ..–0.3V to INTV SENSE2+ 11 18 BG2 CC V 12 17 BOOST2 EXTV FB2 CC ... –0.3V to 14V ITH2 13 16 SW2 ITH1, ITH2, VFB1, VFB2 Voltages ... –0.3V to 6V TRACK/SS2 14 15 TG2 PGOOD1 Voltage ... –0.3V to 6V TRACK/SS1, TRACK/SS2 Voltages ... –0.3V to 6V GN PACKAGE 28-LEAD PLASTIC SSOP Operating Junction Temperature Range (Notes 2, 3) TJMAX = 150°C, θJA = 90°C/W LTC3890E-1, LTC3890I-1 ... –40°C to 125°C LTC3890H-1 ... –40°C to 150°C LTC3890MP-1 .. –55°C to 150°C Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3890EGN-1#PBF LTC3890EGN-1#TRPBF LTC3890GN-1 28-Lead Plastic SSOP –40°C to 125°C LTC3890IGN-1#PBF LTC3890IGN-1#TRPBF LTC3890GN-1 28-Lead Plastic SSOP –40°C to 125°C LTC3890HGN-1#PBF LTC3890HGN-1#TRPBF LTC3890GN-1 28-Lead Plastic SSOP –40°C to 150°C LTC3890MPGN-1#PBF LTC3890MPGN-1#TRPBF LTC3890GN-1 28-Lead Plastic SSOP –55°C to 150°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/ 38901fb 2 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts