Datasheet LT8614 (Analog Devices) - 2

FabricanteAnalog Devices
Descripción42V, 4A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current
Páginas / Página24 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION …
RevisiónF
Formato / tamaño de archivoPDF / 1.8 Mb
Idioma del documentoInglés

ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*

ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1) ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING*

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LT8614
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN, EN/UV, PG ..42V TOP VIEW BIAS ..30V BST Pin Above SW Pin..4V FB PG GND SYNC/MODE FB, TR/SS, RT, INTV 20 19 18 17 CC . ..4V SYNC/MODE Voltage . ..6V BIAS 1 16 TR/SS Operating Junction Temperature Range (Note 2) INTVCC 2 15 RT BST 3 14 EN/UV LT8614E ... –40°C to 125°C 22 VIN1 4 13 V SW IN2 LT8614I .. –40°C to 125°C 21 LT8614H .. –40°C to 150°C GND1 6 SW 11 GND2 LT8614MP OBSOLETE ... –55°C to 150°C 7 8 9 10 Storage Temperature Range .. –65°C to 150°C SW SW GND1 GND2 UDC PACKAGE 18-LEAD (3mm × 4mm) PLASTIC QFN θJA = 40°C/W, θJC(PAD) = 12°C/W (Note 3) EXPOSED PAD (PINS 21, 22) ARE SW, SHOULD BE SOLDERED TO PCB NOTE: PINS 5, 12 ARE REMOVED. CONFIGURATION DOES NOT MATCH JEDEC 20-PIN PACKAGE OUTLINE
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8614EUDC#PBF LT8614EUDC#TRPBF LGGQ 18-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LT8614IUDC#PBF LT8614IUDC#TRPBF LGGQ 18-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LT8614HUDC#PBF LT8614HUDC#TRPBF LGGQ 18-Lead (3mm × 4mm) Plastic QFN –40°C to 150°C
OBSOLETE
LT8614MPUDC#PBF LT8614MPUDC#TRPBF LGGQ 18-Lead (3mm × 4mm) Plastic QFN –55°C to 150°C
AUTOMOTIVE PRODUCTS**
LT8614EUDC#WPBF LT8614EUDC#WTRPBF LGGQ 18-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LT8614IUDC#WPBF LT8614IUDC#WTRPBF LGGQ 18-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LT8614HUDC#WPBF LT8614HUDC#WTRPBF LGGQ 18-Lead (3mm × 4mm) Plastic QFN –40°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. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
**
Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for these models.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage l 2.9 3.4 V VIN Quiescent Current VEN/UV = 0V 1.0 3 µA l 1.0 8 µA VEN/UV = 2V, Not Switching, VSYNC = 0V 1.7 4 µA l 1.7 10 µA VEN/UV = 2V, Not Switching, VSYNC = 2V 0.26 0.5 mA Rev. F 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Applications Related Parts