POWER LOSS (W) LTM8023 2A, 36V DC/DC Step-Down Module Regulator FEATURES DESCRIPTION n Complete Step-Down Switch Mode Power Supply The LTM 8023 is a complete 2A, DC/DC step-down power n Wide Input Voltage Range: 3.6V to 36V supply. Included in the package are the switching controller, n 2A Output Current power switches, inductor, and all support components. n 0.8V to 10V Output Voltage Operating over an input voltage range of 3.6V to 36V, the n Selectable Switching Frequency: 200kHz to 2.4MHz LTM8023 supports an output voltage range of 0.8V to 10V, n Current Mode Control and a switching frequency range of 200kHz to 2.4MHz, n Programmable Soft-Start each set by a single resistor. Only the bulk input and output n SnPb (BGA) or RoHS Compliant (LGA and BGA) filter capacitors are needed to finish the design. Finish The low profile package enables utilization of unused n Tiny, Low Profile, Surface Mount LGA (9mm space on the bottom of PC boards for high density point 11.25mm 2.82mm) and BGA (9mm 11.25mm of load regulation. 3.42mm) Packages The LTM8023 is packaged in a thermally enhanced, com- pact and low profile over-molded land grid array (LGA) APPLICATIONS and ball grid array (BGA) packages suitable for automated n assembly by standard surface mount equipment. The Automotive Battery Regulation n LTM8023 is available with SnPb (BGA) or RoHS compli- Power for Portable Products n ant terminal finish. Distributed Supply Regulation n L, LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode and Module are registered Industrial Supplies trademarks of Linear Technology Corporation. All other trademarks are the property of their n Wall Transformer Regulation respective owners. TYPICAL APPLICATION 5.5V to 36V , 3.3V/2A DC/DC Module Converter Efficiency and Power Loss IN IN 90 1.8 V OUT V * 1.6 IN 85 V V 3.3V IN OUT 5.5V TO 36V 2A 1.4 AUX 2.2F 22F 80 RUN/SS BIAS 1.2 75 SHARE 1.0 70 LTM8023 0.8 PGOOD 65 0.6 60 0.4 ADJ SELECTABLE V = 12V IN 55 0.2 OPERATING R GND SYNC V = 3.3V T OUT FREQUENCY 8023 TA01 f = 650 kHz 50 0 49.9k 154k 0.01 0.1 1 10 LOAD CURRENT (A) 8023 TA01b *RUNNING VOLTAGE RANGE. PLEASE REFER TO APPLICATIONS INFORMATION FOR START-UP DETAILS 8023fj 1 For more information www.linear.com/LTM8023 EFFICIENCY (%)LTM8023 ABSOLUTE MAXIMUM RATINGS (Note 1) V , RUN/SS Voltage .................................................40V V + BIAS .................................................................56V IN IN ADJ, R , SHARE Voltage .............................................5V Internal Operating Temperature T V , AUX .................................................................10V (Note 2) .................................................. 40C to 125C OUT PGOOD, SYNC...........................................................30V Storage Temperature.............................. 55C to 125C BIAS ..........................................................................16V Solder Temperature ............................................... 250C PIN CONFIGURATION GND (BANK 3) SHARE R ADJ GND (BANK 3) SHARE R ADJ T T 7 7 SYNC SYNC 6 PGOOD 6 PGOOD 5 RUN/SS 5 RUN/SS BIAS BIAS 4 4 AUX AUX 3 3 V V OUT OUT (BANK 2) (BANK 2) 2 V 2 V IN IN (BANK 1) (BANK 1) 1 1 A B C D E F G H A B C D E F G H LGA PACKAGE BGA PACKAGE 50-LEAD (11.25mm 9mm 2.82mm) 50-LEAD (11.25mm 9mm 3.42mm) T = 125C, = 30.4C/W, = 12.2C/W, T = 125C, = 32.1C/W, = 14.8C/W, JMAX JA JCbottom JMAX JA JCbottom = 23.9C/W, = 12.1C/W, WEIGHT = 0.9g = 23.7C/W, = 14.6C/W, WEIGHT = 0.9g JCtop JB JCtop JB VALUES DETERMINED PER JEDEC 51-9, 51-12 VALUES DETERMINED PER JEDEC 51-9, 51-12 ORDER INFORMATION PART NUMBER PAD OR BALL FINISH PART MARKING* PACKAGE MSL TEMPERATURE RANGE TYPE RATING (Note 2) DEVICE FINISH CODE LTM8023EV PBF Au (RoHS) LTM8023V e4 LGA 3 40C to 85C LTM8023IV PBF Au (RoHS) LTM8023V e4 LGA 3 40C to 85C LTM8023MPV PBF Au (RoHS) LTM8023MPV e4 LGA 3 55C to 125C LTM8023EY PBF SAC305 (RoHS) LTM8023Y e1 BGA 3 40C to 85C LTM8023IY PBF SAC305 (RoHS) LTM8023Y e1 BGA 3 40C to 85C LTM8023IY SnPb (63/37) LTM8023Y e0 BGA 3 40C to 85C LTM8023MPY PBF SAC305 (RoHS) LTM8023Y e1 BGA 3 55C to 125C LTM8023MPY SnPb (63/37) LTM8023Y e0 BGA 3 55C to 125C Consult Marketing for parts specified with wider operating temperature Recommended LGA and BGA PCB Assembly and Manufacturing ranges. *Device temperature grade is indicated by a label on the shipping Procedures: container. Pad or ball finish code is per IPC/JEDEC J-STD-609. www.linear.com/umodule/pcbassembly Terminal Finish Part Marking: LGA and BGA Package and T ray Drawings: www.linear.com/leadfree www.linear.com/packaging 8023fj 2 For more information www.linear.com/LTM8023