Exar TM Power Blox Family The Worlds Highest

Exar TM Power. Blox Family The Worlds Highest Current Density Buck Regulators 7 cm 2

The Value of Power. Blox. TM • Integration • Lower Component Count • Internal synchronous FET • No need to specify FETs 12 Amps • Power Density • 7 X 4 mm DFN up to 12 Amps • 12 Amps in 7 cm 2 • 8 mohm FET in 12 Amp device • >94% efficient • Support • Power. Blox. TM Lab • Demo Boards • 24/5 Live Support Company Confidential 7 cm 2

Features & Benefits • Easy to implement, high current step down regulator • Power. Blox. TM Lab online design tool • Downloadable offline simulator • Thermally enhanced package as low as 26 C/W • Wide input voltage range: 2. 5 V – 28 V • Built-in low RDS(ON) FETs • 7 mΩ internal FET!!! • Highest power density • Small board area for a high current solution • Low output voltage: Down to 0. 8 V • 300, 600, 900 and 1300 k. Hz operation • Integrated sequencing control • Easy to sequence multiple supplies • Pre-charged output tolerant. Company Confidential

Power. Blox. TM Portfolio Company Confidential

Power. Blox. TM Portfolio Detail • SP 766 x series adds • Single supply operation • OCP (Over Current Protection) Company Confidential

SP 7662 Example Schematic CURRENT SNUBBER COMPENSATION R BOOST LIMIT Reduced R 8 and EMIR 9 optional Board Layout Tolerance Company Confidential

SP 7652 Example Schematic 100 p. F 31. 6 k, 1% RSET 1 n. F 68. 1 k, 1% 12 K 1 2 3 4 22 p. F 5 6 7 100 p. F 8 9 ENABLE 10 22 n. F 11 12 VIN 5. 1 K 13 PGND LX VFB VCC COMP UVIN GND SP 7652 GND SS BST VIN NC VIN LX 4. 5 V - 20 V 22 u. F Company Confidential 2. 5 V 0 -6 A 26 25 1. 5 u. H 47 u. F 24 23 22 5 V VCC 21 20 1 u. F 19 SD 101 AWS 18 17 16 15 14 5. 1 1 u. F

Competitor Comparison Exar LTC Intersil TI SP 7652 SP 7662 LTM 4600 EL 7566 TPS 54073 VIN Max. (V) 28 22 20/28 6 4 IOUT Max. (A) 6 12 10 6 14 VOUT Min. (V) 0. 8 0. 6 0. 8 0. 9 FET RDSON (mΩ) 15 15/7 NA 29 8 Frequency (k. Hz) 600 300 850 1, 000 700 Synchronous Rectifier Yes Yes Yes Sequencing Yes Yes Yes Soft Start Yes Yes Yes Package L x W (mm) DFN 7 x 4 15 x 15 mm BGA TSSOP 28 9. 7 x 6. 4 TSSSOP Exp Pad 20 Price (1 k) $3. 50 $6. 95 $16/$19 $4. 26 $5. 30 High current buck Internal inductor Company Confidential

SP 7662 Efficiency Curves Company Confidential

SP 7652 Efficiency Curves (600 k. Hz) Company Confidential

SP 7650 Maximum Current • High efficiency may allow higher output current in certain applications • Keep Tj<125°C Company Confidential

SP 7662 ER Temperature Gradient Length of package Note: = 82. 93 um; um hence 80 pixels will translate to 80 x 82. 93 um = 6634. 40 um Note: 1 1 Pixel = 82. 93 Length of the package Company Confidential

Achieving Ratiometric Power-Up Compatible with both SP 765 x and SP 766 x Simply connect the two SS pins together and use a common SS cap Company Confidential

Sequential Power-Up Compatible with both SP 765 x and SP 766 x Connect the UVIN pin to the SS of the other converter Company Confidential

Simultaneous Power-Up Compatible with both SP 765 x and SP 766 x Set RS 2 = 1 k. Ohm and calculate RS 1 as shown Company Confidential

Design Support • Evaluation boards with full documentation available for all Exar products • Factory support available for customized requests • Power. Blox. TM Lab online design support available for quick designs at www. exar. com • 24/5 Online support chat Company Confidential

Power. Blox Lab- Input Parameters Company Confidential

Power. Blox Lab- Output Design Company Confidential

Down Loadable Simulator Company Confidential

Summary • Power. Blox. TM simplifies the design of high current buck regulators • Enables highly efficient designs in a small footprint • Widest input synchronous buck regulators on the market • Design is simplified further through online design support at: • http: //www. exar. com Company Confidential

Roadmap • Focus on higher output current • >6 Amps synchronous • >3 Amps non-synchronous • Increase input voltage • Up to 40 V • Include TSSOP exposed packaging • Increase operating frequency • Reduced external components • Added features • PGOOD • Synchronization Company Confidential