Datasheet LTM8002 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 40VIN, 2.5A Silent Switcher µModule Regulator |
| Páginas / Página | 28 / 1 — FEATURES. DESCRIPTION. Complete Step-Down Switch Mode Power Supply. Low … |
| Formato / tamaño de archivo | PDF / 2.4 Mb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTION. Complete Step-Down Switch Mode Power Supply. Low Noise Silent Switcher. Architecture
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LTM8002 40VIN, 2.5A Silent Switcher µModule Regulator
FEATURES DESCRIPTION
n
Complete Step-Down Switch Mode Power Supply
The LTM®8002 is a 40VIN, 2.5A step-down µModule® n
Low Noise Silent Switcher
®
Architecture
(power module) regulator. Included in the package are n
Wide Input Voltage Range: 3.4V to 40V
the switching controller, power switches, inductor, and n
Wide Output Voltage Range: 0.97V to 18V
all support components. Operating over an input voltage n
Wide Temperature Range: –40°C to 150°C (H-Grade)
range of 3.4V to 40V, the LTM8002 supports an output n
2.8A Continuous for 5VOUT, 12VIN, 2MHz at 105°C
voltage range of 0.97V to 18V and a switching frequency
(H-Grade)
range of 200kHz to 3MHz, each set by a single resistor. n
3.5A Peak
Only the input and output filter capacitors are needed to n
FMEA Compliant Pinout
finish the design.
Output Stays at or Below Regulation Voltage During
The low profile package enables utilization of unused
Adjacent Pin Short or if a Pin Is Left Floating
n space on the bottom of PC boards for high density point of Selectable Switching Frequency: 200kHz to 3MHz n load regulation. The LTM8002 is packaged in a thermally External Synchronization n enhanced, compact over-molded ball grid array (BGA) Low Quiescent Current: 25µA (5VOUT) n package suitable for automated assembly by standard Programmable Soft-Start n surface mount equipment. The LTM8002 is available with Tiny, Low Profile 6.25mm × 6.25mm × 2.22mm SnPb or RoHS compliant terminal finish. BGA Package All registered trademarks and trademarks are the property of their respective owners.
APPLICATIONS
n Automotive Battery Regulation n Power for Portable Products n Distributed Supply Regulation n Industrial Supplies n Wall Transformer Regulation
TYPICAL APPLICATION Derating, H-Grade, BIAS = 5V, DC2501A Demo Board 5VOUT from 7VIN to 40VIN Step-Down Converter
4 V V IN LTM8002 IN 3 7V TO 40V RUN 2.2µF V V OUT OUT 5V 2 BIAS 3.5A PEAK RT 41.2k 24.3k 22µF 1MHz GND SYNC FB 1 8002 TA01a MAXIMUM LOAD CURRENT (A) 0 LFM fSW = 2MHz PINS NOT USED IN THIS CIRCUIT: TR/SS, PG 12VIN 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE (°C) 8002 TA01b Rev 0 Document Feedback For more information www.analog.com 1 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE PHOTO PACKAGE DESCRIPTION PACKAGE DESCRIPTION TYPICAL APPLICATION DESIGN RESOURCES RELATED PARTS
FEATURES DESCRIPTION
n
Complete Step-Down Switch Mode Power Supply
The LTM®8002 is a 40VIN, 2.5A step-down µModule® n
Low Noise Silent Switcher
®
Architecture
(power module) regulator. Included in the package are n
Wide Input Voltage Range: 3.4V to 40V
the switching controller, power switches, inductor, and n
Wide Output Voltage Range: 0.97V to 18V
all support components. Operating over an input voltage n
Wide Temperature Range: –40°C to 150°C (H-Grade)
range of 3.4V to 40V, the LTM8002 supports an output n
2.8A Continuous for 5VOUT, 12VIN, 2MHz at 105°C
voltage range of 0.97V to 18V and a switching frequency
(H-Grade)
range of 200kHz to 3MHz, each set by a single resistor. n
3.5A Peak
Only the input and output filter capacitors are needed to n
FMEA Compliant Pinout
finish the design.
Output Stays at or Below Regulation Voltage During
The low profile package enables utilization of unused
Adjacent Pin Short or if a Pin Is Left Floating
n space on the bottom of PC boards for high density point of Selectable Switching Frequency: 200kHz to 3MHz n load regulation. The LTM8002 is packaged in a thermally External Synchronization n enhanced, compact over-molded ball grid array (BGA) Low Quiescent Current: 25µA (5VOUT) n package suitable for automated assembly by standard Programmable Soft-Start n surface mount equipment. The LTM8002 is available with Tiny, Low Profile 6.25mm × 6.25mm × 2.22mm SnPb or RoHS compliant terminal finish. BGA Package All registered trademarks and trademarks are the property of their respective owners.
APPLICATIONS
n Automotive Battery Regulation n Power for Portable Products n Distributed Supply Regulation n Industrial Supplies n Wall Transformer Regulation
TYPICAL APPLICATION Derating, H-Grade, BIAS = 5V, DC2501A Demo Board 5VOUT from 7VIN to 40VIN Step-Down Converter
4 V V IN LTM8002 IN 3 7V TO 40V RUN 2.2µF V V OUT OUT 5V 2 BIAS 3.5A PEAK RT 41.2k 24.3k 22µF 1MHz GND SYNC FB 1 8002 TA01a MAXIMUM LOAD CURRENT (A) 0 LFM fSW = 2MHz PINS NOT USED IN THIS CIRCUIT: TR/SS, PG 12VIN 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE (°C) 8002 TA01b Rev 0 Document Feedback For more information www.analog.com 1 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE PHOTO PACKAGE DESCRIPTION PACKAGE DESCRIPTION TYPICAL APPLICATION DESIGN RESOURCES RELATED PARTS