LTM8024 40V , Dual 3.5A or Single 7A IN Silent Switcher Module Regulator FEATURES DESCRIPTION n Two Complete Step-Down Switching Power Supplies The LTM 8024 is 40V , dual 3.5A or single 7A step-down IN n Low Noise Silent Switcher Architecture Silent Switcher Module regulator. The Silent Switcher n CISPR22 Class B Compliant architecture minimizes EMI while delivering high efficiency n Wide Input Voltage Range: 3V to 40V at frequencies up to 3MHz. Included in the package are the n Wide Output Voltage Range: 0.8V to 8V controllers, power switches, inductors, and support com- n 3.5A Continuous Output Current Per Channel at ponents. Operating over a wide input voltage range, the 12V , 3.3V , T = 80C LTM8024 supports output voltages from 0.8V to 8V, and IN OUT A n Multiphase Parallel Operation to Increase Current a switching frequency range of 200kHz to 3MHz, each set n Selectable Switching Frequency: 200kHz to 3MHz by a single resistor. Only the bulk input and output filter n Compact Package (9mm 11.25mm 3.32mm) capacitors are needed to finish the design. The LTM8024 Surface Mount BGA product video is available on website. The LTM8024 is packaged in a thermally enhanced, com- pact (9mm 11.25mm 3.32mm) over-molded ball grid APPLICATIONS array (BGA) package suitable for automated assembly n Automotive Battery Regulation by standard surface mount equipment. The LTM8024 is n Power for Portable Products RoHS compliant. n Distributed Supply Regulation All registered trademarks and trademarks are the property of their respective owners. n Industrial Supplies Click to view associated Video Design Idea. TYPICAL APPLICATION 3.3V and 5V from 7V to 40V Dual Step-Down Converter Efficiency vs Load Current OUT OUT 95 24V IN V IN LTM8024 V IN1 7V TO 40V V OUT1 RUN1 V 5V OUT1 3.5A 47F 90 47.5k FB1 AUX1 29.4k RT BIAS 85 f = 1.2MHz GND SW SYNC 3.3V OUT V 5V OUT2 OUT V 3.3V 80 OUT2 3.5A 0 1 2 3 100F RUN2 78.7k LOAD CURRENT (A) 4.7F FB2 8024 TA01b V IN2 2 8024 TA01a PINS NOT USED: TRSS1, TRSS2, SHARE1, SHARE2, PG1, PG2, TEST, CLKOUT Rev. A 1 Document Feedback For more information www.analog.com EFFICIENCY (%)LTM8024 ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1) V , RUN, PG ............................................................42V IN 8 V , BIAS ...............................................................10V OUT BANK 4 BANK 5 FB ..............................................................................4V 7 V V OUT1 OUT2 TRSS ...........................................................................3V 6 SYNC .........................................................................6V BANK 3 GND 5 Maximum Internal Temperature (Note 2) .............. 125C BIAS AUX1 CLKOUT SYNC Storage Temperature ............................. 55C to 125C 4 FB1 AUX2 SHARE1 PG2 PG1 Peak Reflow Solder Body Temperature ................ 250C 3 FB2 TRSS2 SHARE2 RUN2 TEST 2 GND TRSS1 RT RUN1 GND 1 BANK 1 V BANK 1 V IN1 IN2 A B C D E F G H J K L BGA PACKAGE 88-PIN (11.25mm 9mm 3.32mm) T = 125C, = 18.0C/W, = 10.0C/W, JMAX JA JCtop = 4.5C/W, WEIGHT = 1.0g JB VALUES DETERMINED PER JESD 51-9, 51-12 ORDER INFORMATION PART MARKING* PACKAGE MSL TEMPERATURE PART NUMBER PAD OR BALL FINISH DEVICE FINISH CODE TYPE RATING RANGE (SEE NOTE 2) LTM8024EY PBF SAC305 (RoHS) LTM8024Y e1 BGA 3 40C to 125C LTM8024IY PBF Contact the factory for parts specified with wider operating temperature ranges. This product is not recommended for second side reflow. This product is moisture sensitive. For more information, go to: Device temperature grade is indicated by a label on the shipping container. *Pad or ball finish code is per IPC/JEDEC J-STD-609. Recommended LGA and BGA PCB Assembly and Manufacturing Procedures LGA and BGA Package and Tray Drawings Rev. A 2 For more information www.analog.com