LTM8025 36V, 3A Step-Down Module Regulator FEATURES DESCRIPTION n Complete Step-Down Switch Mode Power Supply The LTM 8025 is a 36V , 3A step-down Module IN n Wide Input Voltage Range: 3.6V to 36V (micromodule) converter. Included in the package are n Up to 3A Output Current the switching controller, power switches, inductor and n Parallelable for Increased Output Current all support components. Operating over an input voltage n 0.8V to 24V Output Voltage range of 3.6V to 36V, the LTM8025 supports an output n Selectable Switching Frequency: 200kHz to 2.4MHz voltage range of 0.8V to 24V and a switching frequency n Current Mode Control range of 200kHz to 2.4MHz, each set by a single resistor. n SnPb or RoHS Compliant Finish Only the bulk input and output filter capacitors are needed n Programmable Soft-Start to finish the design. n 9mm 15mm 4.32mm LGA and 9mm 15mm The LTM8025 is packaged in a thermally enhanced, com- 4.92mm BGA Packages pact (9mm 15mm) and low profile over-molded land grid array (LGA) and ball grid array (BGA) packages suit- APPLICATIONS able for automated assembly by standard surface mount equipment. The LTM8025 is available with SnPb (BGA) n Automotive Battery Regulation or RoHS compliant terminal finish. n Power for Portable Products All registered trademarks and trademarks are the property of their respective owners. n Distributed Supply Regulation n Industrial Supplies n Wall Transformer Regulation TYPICAL APPLICATION Efficiency 100 V = 24V IN V * V IN OUT V V 90 IN OUT 22V TO 36V 12V AT 3A RUN/SS AUX 4.7F 80 LTM8025 BIAS SHARE PGOOD 22F 70 RT ADJ 60 SYNC GND 47.5k 34.8k 50 *RUNNING VOLTAGE RANGE. PLEASE REFER TO APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS 40 8025 TA01a 0 500 1000 1500 2000 2500 3000 OUTPUT CURRENT (mA) 8025 TA01b Rev. E 1 Document Feedback For more information www.analog.com EFFICIENCY(%)LTM8025 ABSOLUTE MAXIMUM RATINGS (Note 1) V , RUN/SS Voltage .................................................36V BIAS ..........................................................................25V IN ADJ, RT, SHARE Voltage .............................................6V V + BIAS .................................................................56V IN V , AUX .................................................................25V Maximum Junction Temperature (Note 2) ............ 125C OUT PGOOD, SYNC...........................................................30V Solder Temperature ............................................... 245C Storage Temperature.............................. 55C to 125C PIN CONFIGURATION TOP VIEW TOP VIEW 1 2 3 4 5 6 7 1 2 3 4 5 6 7 V GND OUT V GND OUT A A B B BANK 1 BANK 1 C C D D E E F F BANK 2 BANK 2 G RT G RT AUX H SHARE AUX H SHARE BIAS J PGOOD J PGOOD BIAS K ADJ K ADJ BANK 3 BANK 3 L L V RUN/SS SYNC IN V RUN/SS SYNC IN LGA PACKAGE BGA PACKAGE) 70-PIN (9mm 15mm 4.32mm) 70-PIN (9mm 15mm 4.92mm T = 125C, = 24.4C/W, = 11.5C/W, T = 125C, = 24.4C/W, = 11.5C/W, JMAX JA JC(BOTTOM) JMAX JA JC(BOTTOM) = 42.7C/W, = 18.7C/W = 42.7C/W, = 18.7C/W JC(TOP) JB JC(TOP) JB VALUES DETERMINED PER JESD51-9, 51-12 VALUES DETERMINED PER JESD51-9, 51-12 WEIGHT = 1.8 GRAMS WEIGHT = 1.8 GRAMS) ORDER INFORMATION PART MARKING* PACKAGE MSL TEMPERATURE RANGE PART NUMBER PAD OR BALL FINISH DEVICE FINISH CODE TYPE RATING (NOTE 2) LTM8025EV PBF Au (RoHS) LTM8025V e4 LGA 3 40C to 125C LTM8025IV PBF Au (RoHS) LTM8025V e4 LGA 3 40C to 125C LTM8025MPV PBF Au (RoHS) LTM8025MPV e4 LGA 3 55C to 125C LTM8025EY PBF SAC305 (RoHS) LTM8025Y e1 BGA 3 40C to 125C LTM8025IY PBF SAC305 (RoHS) LTM8025Y e1 BGA 3 40C to 125C LTM8025IY SnPb (63/37) LTM8025Y e0 BGA 3 40C to 125C LTM8025MPY PBF SAC305 (RoHS) LTM8025Y e1 BGA 3 55C to 125C LTM8025MPY SnPb (63/37) LTM8025Y e0 BGA 3 55C to 125C Contact the factory for parts specified with wider operating temperature ranges. Recommended LGA and BGA PCB Assembly and *Pad or ball finish code is per IPC/JEDEC J-STD-609. Manufacturing Procedures LGA and BGA Package and Tray Drawings Rev. E 2 For more information www.analog.com