LTM8027 Datasheet | Linear Technology

Features n plete Switch Mode Power Supply n Wide Input Voltage Range: 4.5V to 60V (7.5V Minimum Voltage to Start) n Wide Output Voltage Range: 2.5V to 24V (See Table 2) n 4A Output Current n Programmable Soft-Start n 9µA Shutdown Supply Current n Selectable Switching Frequency Current Mode Control n Up to 95% Efficiency n Sn Pb (BGA) or Ro HS pliant (LGA and BGA) Finish n Surface Mount LGA (15mm × 15mm × 4.32mm) and (15mm × 15mm × 4.92mm) BGA Packages APPLICATIONS n 12V and 42V Automotive and Heavy Equipment n 48V Tele Power Supplies n Avionics and Industrial Control Systems n Distributed Power Converters LTM8027 60V, 4A DC/DC µModule Regulator DESCRIPTION The LTM®8027 is a plete 4A, DC/DC step-down power supply. Included in the package are the switching controller, power switches, inductor and all support ponents. Operating over an input voltage range of 4.5V to 60V (7.5V minimum voltage to start), the LTM8027 supports output voltages up to 24V, and a switching frequency range of 100k Hz to 500k Hz, each set by a single resistor. Only the bulk input and output filter capacitors are needed to finish the design. The low profile package (4.32mm) enables utilization of unused space on the bottom of PC boards for high density point of load regulation. A built-in soft-start timer is adjustable with a small capacitor. The LTM8027 is packaged in a pact (15mm × 15mm × 4.32mm) over-molded land grid array (LGA) and (15mm × 15mm × 4.92mm) BGA package suitable for automated assembly by standard surface mount equipment. The LTM8027 is available with Sn Pb (BGA) or Ro HS pliant terminal finish. L, LT, LTC, LTM, Linear Technology, the Linear logo and µModule are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION 48W, 16VIN to 60VIN DC/DC µModule® Regulator VIN 16V TO 60V 4.7µF ×2 VIN VOUT 1M LTM8027 RUN BIAS1 SS BIAS2 SYNC RT 48.7k ADJ GND VOUT...