LTM4702IY#PBF

LTM®4702 is a complete 8A step-down ultra low noise Silent Switcher® µModule® regulator. Included in the package are the switching controller, the power MOSFETs, an inductor, and support components. A single resistor sets the output voltage, providing unity gain operation over the output range and resulting in virtually constant output noise independent of the output voltage. Only bulk input and output capacitors are needed to finish the design. It employs Silent Switcher architecture with internal hot loop bypass capacitors to achieve both low EMI and high efficiency. Also, it has an ultralow noise architecture to obtain exceptional low-frequency output noise. Application includes telecom, networking, and industrial equipment, RF power supplies: PLLs, VCOs, Mixers, LNAs, PAs, low noise instrumentation, high speed/high precision data converters.

• Low noise silent switcher architecture, ultralow EMI emissions
• 8µVRMS typical output RMS noise (10Hz to 100KHz, SVIN = 12V, VOUT = 1V)
• 3 to 16V power input DC voltage range (TA = 25°C, VIN = 12V)
• 0.3 to 5.7V output voltage range (TA = 25°C, VIN = 12V)
• 8A maximum continuous output current
• 300KHz to 3MHz adjustable and synchronizable range
• Current mode control, fast transient response, forced continuous mode capability
• Multiphase parallel with current sharing, programmable power good
• 50μA typical SVIN quiescent current (SVIN = 12V, VRUN = 0V, shutdown)
• 49pin BGA package, temperature range from -40°C to 125°C

注释

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