Datasheet LT8614 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 42V, 4A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current |
| 页数 / 页 | 24 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| 修订版 | E |
| 文件格式/大小 | PDF / 1.5 Mb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
文件文字版本
LT8614
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN, EN/UV, PG ..42V TOP VIEW BIAS ..30V BST Pin Above SW Pin..4V FB, TR/SS, RT, INTV FB PG GND SYNC/MODE CC . ..4V 20 19 18 17 SYNC/MODE Voltage . ..6V Operating Junction Temperature Range (Note 2) BIAS 1 16 TR/SS LT8614E ... –40°C to 125°C INTVCC 2 15 RT LT8614I .. –40°C to 125°C BST 3 14 EN/UV 22 LT8614H .. –40°C to 150°C VIN1 4 13 V SW IN2 LT8614MP OBSOLETE ... –55°C to 150°C 21 Storage Temperature Range .. –65°C to 150°C GND1 6 SW 11 GND2 7 8 9 10 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 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.
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 VIN Current in Regulation VOUT = 0.97V, VIN = 6V, Output Load = 100µA l 21 50 µA VOUT = 0.97V, VIN = 6V, Output Load = 1mA l 210 350 µA 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
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN, EN/UV, PG ..42V TOP VIEW BIAS ..30V BST Pin Above SW Pin..4V FB, TR/SS, RT, INTV FB PG GND SYNC/MODE CC . ..4V 20 19 18 17 SYNC/MODE Voltage . ..6V Operating Junction Temperature Range (Note 2) BIAS 1 16 TR/SS LT8614E ... –40°C to 125°C INTVCC 2 15 RT LT8614I .. –40°C to 125°C BST 3 14 EN/UV 22 LT8614H .. –40°C to 150°C VIN1 4 13 V SW IN2 LT8614MP OBSOLETE ... –55°C to 150°C 21 Storage Temperature Range .. –65°C to 150°C GND1 6 SW 11 GND2 7 8 9 10 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 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.
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 VIN Current in Regulation VOUT = 0.97V, VIN = 6V, Output Load = 100µA l 21 50 µA VOUT = 0.97V, VIN = 6V, Output Load = 1mA l 210 350 µA 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