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LTM8049 Scheda tecnica(PDF) 1 Page - Linear Technology |
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LTM8049 Scheda tecnica(HTML) 1 Page - Linear Technology |
1 / 20 page LTM8049 1 8049fa For more information www.linear.com/LTM8049 TYPICAL APPLICATION FEATURES DESCRIPTION Dual SEPIC or Inverting µModule DC/DC Converter TheLTM®8049isaDualSEPIC/InvertingµModule®(power module) DC/DC Converter. Each of the two outputs can be easily configured as a SEPIC or Inverting converter by simplygroundingtheappropriateoutputrail.TheLTM8049 includes power devices, inductors, control circuitry and passive components. All that is needed to complete the design are input and output caps, and small resistors to set the output voltages and switching frequency. Other components may be used to control the soft-start and undervoltage lockout. The LTM8049 is packaged in a thermally enhanced, com- pact (15mm × 9mm) over-molded Ball Grid Array (BGA) package suitable for automated assembly by standard surface mount equipment. The LTM8049 is available with SnPb (BGA) or RoHS compliant terminal finish. Maximum Load Current vs VIN ±12VOUT from 2.7VIN to 20VIN APPLICATIONS n Two Complete Switch Mode Power Supplies n SEPIC or Inverting Topology n Wide Input Voltage Range: 2.6V to 20V n 2.5V to 24V or –2.5V to –24V Output Voltage n 1A at 5VOUT from 12VIN n Selectable Switching Frequency: 200kHz to 2.5MHz n Power Good Outputs for Event Based Sequencing n User Configurable Undervoltage Lockout n (e4) RoHS Compliant Package with Gold Pad Finish n Low Profile 15mm × 9mm × 2.42mm Surface Mount BGA Package n Battery Powered Regulator n Local Negative Voltage Regulator n Low Noise Amplifier Power All registered trademarks and trademarks are the property of their respective owners. VIN (V) 0 5 10 15 20 0 0.5 1.0 1.5 8049 TA01 LTM8049 130k 8049 TA01a VOUT1P VOUT1N VIN1 RUN1 RT1 80.6k 1MHz VIN 2.7V TO 20V VOUT1 12V VOUT2 –12V 4.7µF ×2 22µF 47µF SYNC2 CLKOUT1 FBX1 RT2 80.6k 1MHz 143k VOUT2P VOUT2N VIN2 RUN2 SYNC1 PINS NOT USED: SS1, SS2, PG1, PG2, CLKOUT2, SHARE1, SHARE2 FBX2 |
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