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LTM8080 Datasheet

LTM8080 Datasheet

40VIN, Dual 500mA or Single 1A Ultralow Noise, Ultrahigh PSRR μModule Regulator
Part No.: LTM8080
Page: 28 Pages
Size: 5047 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2024-12-05 22:33:30
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LTM8080 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTM8080EY#PBF Tray 260 LTM8080Y 4 48 -40°C ~ 125°C 48-Lead BGA (9mm x 6.25mm x 3.32mm)  
LTM8080IY#PBF Tray 260 LTM8080Y 4 48 -40°C ~ 125°C 48-Lead BGA (9mm x 6.25mm x 3.32mm)  
LTM8080MPY#PBF Tray 260 LTM8080Y 4 48 -50°C ~ 125°C 48-Lead BGA (9mm x 6.25mm x 3.32mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTM8080 Datasheet(PDF)

LTM8080 Datasheet(Picture)

LTM8080 Features

  • Dual LDOs Powered by an Integrated Switching Step-Down Regulator
  • Low Noise Silent Switcher® Architecture with an Integrated EMI Noise Shield
  • CISPR22 Class B and CISPR25 Class 5 Compliant
  • Ultralow Output RMS Noise: <1μVRMS (10Hz to 100kHz)
  • Ultralow Output Spot Noise: 2nV/√Hz at 10kHz
  • Ultrahigh PSRR: 80dB at 100kHz
  • Wide Input Voltage: 3.5V to 40V
  • Wide Output Voltage: 0V to 8V
  • Dual 500mA Continuous Current at TA = 85°C
  • Voltage Tracking Function to Minimize Power Loss
  • 100μA SET Pin Current with ±1% Initial Accuracy
  • Selectable Switching Frequency: 200kHz to 2.2MHz
  • External Synchronization
  • Programmable Power Good
  • Parallelable for Lower Noise and Higher Current
  • 9mm × 6.25mm × 3.32mm BGA

LTM8080 Applications

  • RF Power Supplies: PLLs, VCOs, Mixers, LNAs
  • Very Low Noise Instrumentation
  • High Speed/High Precision Data Converters
  • Medical Applications: Imaging, Diagnostics

LTM8080 Description

The LTM8080 is a 40VIN, dual 500mA or single 1A ultralow noise, ultrahigh PSRR μModule® regulator. LTM8080 has cascaded architecture which contains a 40VIN step-down Silent Switcher regulator with an integrated EMI noise shield followed by dual high-performance low dropout linear regulators. The dual LDOs feature ADI’s ultralow noise and ultrahigh PSRR architecture for powering noise-sensitive applications. The LTM8080 is an integrated solution comprised of a switcher and LDOs, which offers both advantages while maintaining a small size and significantly reduced PCB layout sensitivity.

The package includes the controllers, power switches, inductors, and support components. In addition, the LTM8080 has a built-in voltage tracking function that automatically sets VBUS to either 2.5V nominal or 1V higher than VOUT1, whichever is greater, to achieve superior noise performance and minimize power dissipation.

The LTM8080 is packaged in a thermally enhanced, compact (9mm × 6.25mm × 3.32mm) over-molded Ball Grid Array (BGA) package suitable for automated assembly by standard surface mount equipment and is RoHS compliant.

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