Datasheet LTM8073 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | 60VIN, 3A Silent Switcher μModule Regulator |
| 页数 / 页 | 26 / 1 — FeaTures. DescripTion. Complete Step-Down Switch Mode Power Supply. Low … |
| 文件格式/大小 | PDF / 1.5 Mb |
| 文件语言 | 英语 |
FeaTures. DescripTion. Complete Step-Down Switch Mode Power Supply. Low Noise Silent Switcher. Architecture
该数据表的模型线
文件文字版本
LTM8073 60VIN, 3A Silent Switcher µModule Regulator
FeaTures DescripTion
n
Complete Step-Down Switch Mode Power Supply
The LTM®8073 is a 60VIN, 3A (continuous) or 5A (peak) n
Low Noise Silent Switcher
®
Architecture
step-down Silent Switcher µModule® (power module) n
Wide Input Voltage Range: 3.4V to 60V
regulator. Included in the package are the switching con- n
Wide Output Voltage Range: 0.8V to 15V
troller, power switches, inductor, and all support compo- n
3A Continuous Output Current, 24VIN, 5VOUT,
nents. Operating over an input voltage range of 3.4V to
TA = 85°C
60V, the LTM8073 supports an output voltage range of n
Up to 5A Peak Current
0.8V to 15V and a switching frequency range of 200kHz n
Parallelable for Increased Output Current
to 3MHz, each set by a single resistor. Only the input and n Selectable Switching Frequency: 200kHz to 3MHz output filter capacitors are needed to finish the design. n Programmable Soft-Start The low profile package enables utilization of unused n 6.25mm × 9mm × 3.32mm BGA Package space on the bottom of PC boards for high density point
applicaTions
of load regulation. The LTM8073 is packaged in a thermally enhanced, compact over-molded bal grid array (BGA) n Power for Portable Products package suitable for automated assembly by standard sur- n Distributed Supply Regulation face mount equipment. The LTM8073 is RoHS compliant. n Industrial Supplies L, LT, LTC, LTM, µModule, Burst Mode, Silent Switcher, Linear Technology and the Linear logo n Wall Transformer Regulation are registered trademarks of Analog Devices, Inc. All other trademarks are the property of their respective owners.
Typical applicaTion 5VOUT from 7VIN to 60VIN Step-Down Converter Efficiency, VOUT = 5V, BIAS = 5V BIAS = 5V
95 LTM8073 V V V IN IN IN = 24V 7V TO 60V BIAS RUN AUX 1µF V V OUT OUT 5V 3A 90 RT 100µF 32.4k 47.5k 1.2MHz FB GND SYNC 8073 TA01a EFFICIENCY (%) 85 PINS NOT USED IN THIS CIRCUIT: TR/SS, PG, SHARE 80 0 1 2 3 LOAD CURRENT (A) 8073 TA01 8073fa For more information www.linear.com/LTM8073 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Package PHOTOS Package Description Revision History Typical Application Related Parts
FeaTures DescripTion
n
Complete Step-Down Switch Mode Power Supply
The LTM®8073 is a 60VIN, 3A (continuous) or 5A (peak) n
Low Noise Silent Switcher
®
Architecture
step-down Silent Switcher µModule® (power module) n
Wide Input Voltage Range: 3.4V to 60V
regulator. Included in the package are the switching con- n
Wide Output Voltage Range: 0.8V to 15V
troller, power switches, inductor, and all support compo- n
3A Continuous Output Current, 24VIN, 5VOUT,
nents. Operating over an input voltage range of 3.4V to
TA = 85°C
60V, the LTM8073 supports an output voltage range of n
Up to 5A Peak Current
0.8V to 15V and a switching frequency range of 200kHz n
Parallelable for Increased Output Current
to 3MHz, each set by a single resistor. Only the input and n Selectable Switching Frequency: 200kHz to 3MHz output filter capacitors are needed to finish the design. n Programmable Soft-Start The low profile package enables utilization of unused n 6.25mm × 9mm × 3.32mm BGA Package space on the bottom of PC boards for high density point
applicaTions
of load regulation. The LTM8073 is packaged in a thermally enhanced, compact over-molded bal grid array (BGA) n Power for Portable Products package suitable for automated assembly by standard sur- n Distributed Supply Regulation face mount equipment. The LTM8073 is RoHS compliant. n Industrial Supplies L, LT, LTC, LTM, µModule, Burst Mode, Silent Switcher, Linear Technology and the Linear logo n Wall Transformer Regulation are registered trademarks of Analog Devices, Inc. All other trademarks are the property of their respective owners.
Typical applicaTion 5VOUT from 7VIN to 60VIN Step-Down Converter Efficiency, VOUT = 5V, BIAS = 5V BIAS = 5V
95 LTM8073 V V V IN IN IN = 24V 7V TO 60V BIAS RUN AUX 1µF V V OUT OUT 5V 3A 90 RT 100µF 32.4k 47.5k 1.2MHz FB GND SYNC 8073 TA01a EFFICIENCY (%) 85 PINS NOT USED IN THIS CIRCUIT: TR/SS, PG, SHARE 80 0 1 2 3 LOAD CURRENT (A) 8073 TA01 8073fa For more information www.linear.com/LTM8073 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Package PHOTOS Package Description Revision History Typical Application Related Parts