Datasheet LTM4657 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 20VIN, 8A Step-Down DC/DC µModule Regulator |
| 页数 / 页 | 28 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). (See Pin … |
| 文件格式/大小 | PDF / 2.0 Mb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). (See Pin Functions, Pin Configuration T. able). ORDER INFORMATION
该数据表的模型线
文件文字版本
link to page 6 LTM4657
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1) (See Pin Functions, Pin Configuration T able)
VIN ... –0.3V to 22V V TOP VIEW OUT ... –0.3V to 6V SW INTV T CC .. –0.3V to 3.6V SENSE– 7 RUN ... –0.3V to 22V T GND SENSE+ PGOOD, FREQ, COMPa, COMPb, 6 PGOOD PHMODE, CLKOUT, FB .. –0.3V to 3.6V VOUT 5 PHMODE MODE/CLKIN, TRACK/SS ...–0.3V to INTVCC RUN V + 4 VIN OSNS ... –0.3V to 6V INTVCC V – V OSNS .. –0.3V to 0.3V 3 OUT Internal Operating Temperature Range VOSNS– MODE/CLKIN 2 TRACK/SS (Notes 2, 3) .. –40°C to 125°C VOSNS+ CLKOUT Storage Temperature Range .. –55°C to 125°C 1 FB COMPb Peak Solder Reflow Body Temperature ... 250°C COMPa FREQ A B C D E F G BGA PACKAGE 49-LEAD (6.25mm × 6.25mm × 3.87mm) TJMAX = 125°C, θJA = 17°C/W, θJCTOP = 9.4°C/W, θJCBOTTOM = 4.0°C/W NOTE: 1) θ VALUES ARE DETERMINED BY SIMULATION PER JESD51 CONDITIONS. 2) θJA VALUE IS OBTAINED WITH DEMO BOARD. 3) REFER TO PAGE 19 FOR LAB MEASUREMENT AND DE-RATING INFORMATION. 4) WEIGHT = 497mg
ORDER INFORMATION PART NUMBER PAD OR BALL FINISH PART MARKING* PACKAGE MSL TEMPERATURE RANGE TYPE RATING (Note 2) DEVICE FINISH CODE
LTM4657EY#PBF SAC305 (RoHS) LTM4657Y e1 BGA 3 –40°C to 125°C LTM4657IY#PBF SAC305 (RoHS) LTM4657Y e1 BGA 3 –40°C to 125°C • Contact the factory for parts specified with wider operating temperature • Recommended LGA and BGA PCB Assembly and Manufacturing ranges. *Pad or ball finish code is per IPC/JEDEC J-STD-609. Procedures • LGA and BGA Package and Tray Drawings
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified internal operating temperature range (Note 2), otherwise specifications are at TA = 25°C. VIN = 12V per the typical application shown on the front page. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Switching Regulator Section: per Channel
VIN Input DC Voltage VIN l 3.1 20 V VOUT Output Voltage Range l 0.5 5.5 V VOUT(DC) Output Voltage, Total CIN = 22µF, COUT = 100µF Ceramic, RFB = 30.2k, Variation with Line and Load MODE = INTVCC, IOUT = 0A to 8A (Note 3) –40°C to 125°C l 1.477 1.50 1.523 V VRUN RUN Pin On Threshold VRUN Rising 1.05 1.20 1.35 V Rev 0 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 Decoupling Requirements Operation Applications Information Package Description Package Photo Design Resources Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1) (See Pin Functions, Pin Configuration T able)
VIN ... –0.3V to 22V V TOP VIEW OUT ... –0.3V to 6V SW INTV T CC .. –0.3V to 3.6V SENSE– 7 RUN ... –0.3V to 22V T GND SENSE+ PGOOD, FREQ, COMPa, COMPb, 6 PGOOD PHMODE, CLKOUT, FB .. –0.3V to 3.6V VOUT 5 PHMODE MODE/CLKIN, TRACK/SS ...–0.3V to INTVCC RUN V + 4 VIN OSNS ... –0.3V to 6V INTVCC V – V OSNS .. –0.3V to 0.3V 3 OUT Internal Operating Temperature Range VOSNS– MODE/CLKIN 2 TRACK/SS (Notes 2, 3) .. –40°C to 125°C VOSNS+ CLKOUT Storage Temperature Range .. –55°C to 125°C 1 FB COMPb Peak Solder Reflow Body Temperature ... 250°C COMPa FREQ A B C D E F G BGA PACKAGE 49-LEAD (6.25mm × 6.25mm × 3.87mm) TJMAX = 125°C, θJA = 17°C/W, θJCTOP = 9.4°C/W, θJCBOTTOM = 4.0°C/W NOTE: 1) θ VALUES ARE DETERMINED BY SIMULATION PER JESD51 CONDITIONS. 2) θJA VALUE IS OBTAINED WITH DEMO BOARD. 3) REFER TO PAGE 19 FOR LAB MEASUREMENT AND DE-RATING INFORMATION. 4) WEIGHT = 497mg
ORDER INFORMATION PART NUMBER PAD OR BALL FINISH PART MARKING* PACKAGE MSL TEMPERATURE RANGE TYPE RATING (Note 2) DEVICE FINISH CODE
LTM4657EY#PBF SAC305 (RoHS) LTM4657Y e1 BGA 3 –40°C to 125°C LTM4657IY#PBF SAC305 (RoHS) LTM4657Y e1 BGA 3 –40°C to 125°C • Contact the factory for parts specified with wider operating temperature • Recommended LGA and BGA PCB Assembly and Manufacturing ranges. *Pad or ball finish code is per IPC/JEDEC J-STD-609. Procedures • LGA and BGA Package and Tray Drawings
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified internal operating temperature range (Note 2), otherwise specifications are at TA = 25°C. VIN = 12V per the typical application shown on the front page. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Switching Regulator Section: per Channel
VIN Input DC Voltage VIN l 3.1 20 V VOUT Output Voltage Range l 0.5 5.5 V VOUT(DC) Output Voltage, Total CIN = 22µF, COUT = 100µF Ceramic, RFB = 30.2k, Variation with Line and Load MODE = INTVCC, IOUT = 0A to 8A (Note 3) –40°C to 125°C l 1.477 1.50 1.523 V VRUN RUN Pin On Threshold VRUN Rising 1.05 1.20 1.35 V Rev 0 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 Decoupling Requirements Operation Applications Information Package Description Package Photo Design Resources Related Parts