Datasheet LT3470 (Analog Devices) - 2

FabricanteAnalog Devices
DescripciónMicropower Buck Regulator with Integrated Boost and Catch Diodes
Páginas / Página20 / 2 — absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion …
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absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion LEAD FREE FINISH. TAPE AND REEL. PART MARKING

absoluTe MaxiMuM raTings (Note 1) pin conFiguraTion orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING

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LT3470
absoluTe MaxiMuM raTings (Note 1)
VIN, SHDN Voltage ... 40V Operating Temperature Range (Note 2) BOOST Pin Voltage .. 47V LT3470E ...–40°C to 85°C BOOST Pin Above SW Pin .. 25V LT3470I ... –40°C to 125°C FB Voltage .. 5V LT3470H .. –40°C to 150°C BIAS Voltage ...25V Storage Temperature Range .. –65°C to 150°C SW Voltage ..VIN Lead Temperature (Soldering, 10 sec) ..300°C Maximum Junction Temperature LT3470E, LT3470I ... 125°C LT3470H ... 150°C
pin conFiguraTion
TOP VIEW TOP VIEW FB 1 8 SHDN SHDN 1 8 FB BIAS 2 7 NC 9 NC 2 7 BIAS BOOST 3 6 VIN VIN 3 6 BOOST SW 4 5 GND GND 4 5 SW TS8 PACKAGE DDB8 PACKAGE 8-LEAD PLASTIC TSOT-23 8-LEAD (3mm × 2mm) PLASTIC DFN θJA = 140°C/W θJA = 180°C/W EXPOSED PAD (PIN 9) IS GROUND (MUST BE SOLDERED TO PCB)
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3470EDDB#PBF LT3470EDDB#TRPBF LBPN 8-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LT3470IDDB#PBF LT3470IDDB#TRPBF LBPP 8-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3470HDDB#PBF LT3470HDDB#TRPBF LCNR 8-Lead (3mm × 2mm) Plastic DFN –40°C to 150°C LT3470ETS8#PBF LT3470ETS8#TRPBF LTBDM 8-Lead Plastic TSOT-23 –40°C to 85°C LT3470ITS8#PBF LT3470ITS8#TRPBF LTBPW 8-Lead Plastic TSOT-23 –40°C to 125°C LT3470HTS8#PBF LT3470HTS8#TRPBF LTCNQ 8-Lead Plastic TSOT-23 –40°C to 150°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3470EDDB LT3470EDDB#TR LBPN 8-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LT3470IDDB LT3470IDDB#TR LBPP 8-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3470HDDB LT3470HDDB#TR LCNR 8-Lead (3mm × 2mm) Plastic DFN –40°C to 150°C LT3470ETS8 LT3470ETS8#TR LTBDM 8-Lead Plastic TSOT-23 –40°C to 85°C LT3470ITS8 LT3470ITS8#TR LTBPW 8-Lead Plastic TSOT-23 –40°C to 125°C LT3470HTS8 LT3470HTS8#TR LTCNQ 8-Lead Plastic TSOT-23 –40°C to 150°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/ 3470fd 2 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 Typical Applications Package Description Revision History Related Parts