POWER LOSS (W) LTM8022 1A, 36V DC/DC Module FEATURES DESCRIPTION n Complete Step-Down Switch Mode Power Supply The LTM 8022 is a complete 1A, DC/DC step-down power n Wide Input Voltage Range: 3.6V to 36V supply. Included in the package are the switching controller, n 0.8V to 10V Output Voltage power switches, inductor, and all support components. n 1A Output Current Operating over an input voltage range of 3.6V to 36V, the n Adjustable Switching Frequency: 200kHz to 2.4MHz LTM8022 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 (e4) RoHS Compliant Package with Gold Pad Finish each set by a single resistor. Only the bulk input and output n Programmable Soft-Start lter capacitors are needed to nish the design. n Tiny, Low Pro le (11.25mm 9mm 2.82mm) The low pro le package (2.82mm) enables utilization of Surface Mount LGA Package unused space on the bottom of PC boards for high density point of load regulation. APPLICATIONS The LTM8022 is packaged in a thermally enhanced, compact (11.25mm 9mm) and low pro le (2.82mm) overmolded n Automotive Battery Regulation land grid array (LGA) package suitable for automated n Power for Portable Products assembly by standard surface mount equipment. The n Distributed Supply Regulation LTM8022 is RoHS compliant. n Industrial Supplies L, LT, LTC, LTM, Linear Technology, Burst Mode and the Linear logo are registered trademarks of n Wall Transformer Regulation Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION 7V to 36V , 5V/1A Module Regulator Ef ciency and Power Loss IN IN 100 0.8 V * V IN OUT V = 12V IN 7V TO 5V V V IN OUT 36V 1A 0.7 90 LTM8022 2.2F RUN/SS AUX 4.7F 0.6 80 SHARE BIAS 0.5 EFFICIENCY 70 POWER 0.4 PG LOSS 60 0.3 RT GND SYNC ADJ 50 0.2 29.4k 93.1k 40 0.1 8022 TA01a 30 0 0.001 0.01 0.1 1 *RUNNING VOLTAGE RANGE. PLEASE REFER TO LOAD CURRENT (A) APPLICATIONS INFORMATION FOR START-UP DETAILS 8022 TA01b 8022fd 1 EFFICIENCY (%)LTM8022 ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (See Table 3, Pin Assignment) (Note 1) GND (BANK 3) SHARE R ADJ T V , RUN/SS Voltage .................................................40V IN ADJ, R , SHARE, Voltage ............................................5V 7 T SYNC V , AUX .................................................................10V OUT 6 PG SYNC, PG ..................................................................30V 5 RUN/SS BIAS .......................................................................... 16V BIAS V + BIAS .................................................................56V IN 4 AUX Internal Operating Temperature..............40C to 125C 3 Solder Temperature ............................................... 250C V OUT Storage Temperature ..............................55C to 125C (BANK 2) 2 V IN (BANK 1) 1 ADB C EF G H LGA PACKAGE 50-LEAD (11.25mm 9mm s 2.82mm)s T = 125C, = 23.4C/W, = 9.20C/W, JMAX JA JC(BOTTOM) = 25.10C/W, = 16C/W JC(TOP) JBOARD VALUES DETERMINED PER JESD51-9 WEIGHT = 0.93g ORDER INFORMATION LEAD FREE FINISH PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE (Note 2) LTM8022EV PBF LTM8022V 50-Pin (11.25mm 9mm 2.82mm) LGA 40C to 85C LTM8022IV PBF LTM8022V 50-Pin (11.25mm 9mm 2.82mm) LGA 40C to 85C LTM8022MPV PBF LTM8022MPV 55C to 125C 50-Pin (11.25mm 9mm 2.82mm) LGA Consult LTC Marketing for parts speci ed with wider operating temperature ranges. *The temperature grade is identi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based nish parts. For more information on lead free part marking, go to: