Buck-Boost DC/DC µModule Power Products Three Operating Modes: VIN > VOUT VIN < VOUT VIN = VOUT LTM8054: 4-Switch Buck-Boost with Integrated Inductor LTM4605 LTM4607 LTM4609 Topology External Input Voltage Range 4.5V to 20V 4.5V to 36V Output Voltage Range 0.8V to 16V 0.8V to 24V IOUT Peak (Buck Mode) 12A Package Size (mm) Compatibility LTM8055 LTM8056 4-Switch Buck-Boost Inductor IOUT Peak (Boost Mode : 6VIN, 12VOUT) LTM8054 LTM8045 SEPIC Internal Internal 4.5V to 36V 5V to 36V 5V to 36V 5V to 58V 2.8V to 18V 0.8V to 34V 1.2V to 36V 1.2V to 36V 1.2V to 48V ±2.5V to ±15V 5.4A 8.5A 5.5A up to 0.7A 3A 1.7A 0.28A 10A 5A 4A 1.8A 15 × 15 × 2.82 LGA 15 × 15 × 2.82 LGA 15 × 15 × 3.42 BGA 15 × 11.25 × 3.42 BGA Pin Compatible L, LT, LTC, LTM, Linear Technology, µModule and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 15 × 15 × 4.92 BGA Pin Compatible 6.25 × 11.25 × 4.92 BGA Buck-Boost DC/DC µModule Power Products LTM4605, LTM4607, LTM4609 High Power (12A IOUT: LTM4605 Buck Mode), Buck-Boost µModule® Regulators VIN 4.5V TO 20V CLOCK SYNC 10µF 35V VIN PLLIN V OUT FCB ON/OFF RUN LTM4605 10µF 35V 4.7µH SW1 + VOUT 12V 330µF 5A 25V SW2 RSENSE SENSE+ 0.1µF 6mΩ SS SGND SENSE– PGND VFB 7.15k DC1198B-A: LTM4605 Demo Board 4.5V to 20VIN, 12VOUT LTM8054, LTM8055, LTM8056 Integrated Inductor, Buck-Boost µModule Regulators VIN 5V TO 36V 4.7µF 50V ×2 36.5k 600kHz VIN VOUT SVIN IIN IOUT LTM8054 RUN CTL SS SYNC COMP RT LL MODE VOUT 12V 68µF 100k GND 22µF 25V CLKOUT IINMON IOUTMON FB 11.0k DC2016A: LTM8054 Demo Board 6V to 36VIN, 12VOUT LTM8045 SEPIC or Inverting µModule Regulators LTM8045 4.7µF 75.0k RUN SS RT SYNC • VIN • VIN 2.8VDC TO 18VDC VOUT– FB + GND VOUT 22µF 130k VOUT 12V DC1533A: LTM8045 Demo Board 2.8V to 18VIN, 5V or –5VOUT www.linear.com/umodule_buckboost n 1-800-4-LINEAR 0216