Datasheet LT3932, LT3932-1 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 36V, 2A Synchronous Step-Down LED Driver |
| 页数 / 页 | 30 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| 修订版 | B |
| 文件格式/大小 | PDF / 4.7 Mb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
该数据表的模型线
文件文字版本
LT3932/LT3932-1
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN, EN/UVLO ..40V ISP, ISN, and VOUT ..40V V CC ISP – ISN ...±0.3V CTRL EN/UVLO V IN INT BST GND 28 27 26 25 24 23 CTRL and FB ..3.3V VREF 1 22 GND PWM, SYNC/SPRD, and FAULT ...6V SS 2 21 VIN SS and V VC 3 20 V C ..3.3V IN SW, BST, INTV FB 4 29 19 SW CC, VREF, ISMON, PWMTG, RT, ISP 5 GND 18 SW and RP ... (Note 2) ISN 6 17 VIN Operating Junction Temperature Range (Notes 3, 4) ISMON 7 16 VIN LT3932E/LT3932I .. –40°C to 125°C FAULT 8 15 GND 9 10 11 12 13 14 LT3932H .. –40°C to 150°C RP RT M Storage Temperature Range .. –65°C to 150°C PW V OUT PWMTG SYNC/SPRD UFD PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN θJA = 25°C/W (MEASURED ON DC2286A) EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3932EUFD#PBF LT3932EUFD#TRPBF 3932 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3932IUFD#PBF LT3932IUFD#TRPBF 3932 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3932HUFD#PBF LT3932HUFD#TRPBF 3932 28-Lead (4mm × 5mm) Plastic QFN –40°C to 150°C LT3932EUFD-1#PBF LT3932EUFD-1#TRPBF 39321 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3932IUFD-1#PBF LT3932IUFD-1#TRPBF 39321 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3932HUFD-1#PBF LT3932HUFD-1#TRPBF 39321 28-Lead (4mm × 5mm) 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.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VEN/UVLO = 5V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Voltage Range 3.6 36 V VIN Pin Quiescent Current EN/UVLO = 2V, Not Switching 2.2 2.7 mA EN/UVLO = 300mV, Shutdown l 2 µA EN/UVLO Threshold (Falling) 1.09 1.15 1.21 V EN/UVLO Rising Hysteresis 20 mV EN/UVLO Pin Hysteresis Current 4 µA Rev B 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN, EN/UVLO ..40V ISP, ISN, and VOUT ..40V V CC ISP – ISN ...±0.3V CTRL EN/UVLO V IN INT BST GND 28 27 26 25 24 23 CTRL and FB ..3.3V VREF 1 22 GND PWM, SYNC/SPRD, and FAULT ...6V SS 2 21 VIN SS and V VC 3 20 V C ..3.3V IN SW, BST, INTV FB 4 29 19 SW CC, VREF, ISMON, PWMTG, RT, ISP 5 GND 18 SW and RP ... (Note 2) ISN 6 17 VIN Operating Junction Temperature Range (Notes 3, 4) ISMON 7 16 VIN LT3932E/LT3932I .. –40°C to 125°C FAULT 8 15 GND 9 10 11 12 13 14 LT3932H .. –40°C to 150°C RP RT M Storage Temperature Range .. –65°C to 150°C PW V OUT PWMTG SYNC/SPRD UFD PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN θJA = 25°C/W (MEASURED ON DC2286A) EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3932EUFD#PBF LT3932EUFD#TRPBF 3932 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3932IUFD#PBF LT3932IUFD#TRPBF 3932 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3932HUFD#PBF LT3932HUFD#TRPBF 3932 28-Lead (4mm × 5mm) Plastic QFN –40°C to 150°C LT3932EUFD-1#PBF LT3932EUFD-1#TRPBF 39321 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3932IUFD-1#PBF LT3932IUFD-1#TRPBF 39321 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3932HUFD-1#PBF LT3932HUFD-1#TRPBF 39321 28-Lead (4mm × 5mm) 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.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VEN/UVLO = 5V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Voltage Range 3.6 36 V VIN Pin Quiescent Current EN/UVLO = 2V, Not Switching 2.2 2.7 mA EN/UVLO = 300mV, Shutdown l 2 µA EN/UVLO Threshold (Falling) 1.09 1.15 1.21 V EN/UVLO Rising Hysteresis 20 mV EN/UVLO Pin Hysteresis Current 4 µA Rev B 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts