LTM4650IY#PBF

LTM®4650 is a dual 25A or single 50A output switching mode step-down DC/DC µModule® (power module) regulator. Included in the package are the switching controllers, power FETs, inductors, and all supporting components. Operating from an input voltage range of 4.5V to 15V, it supports two outputs each with an output voltage range of 0.6V to 1.8V, each set by a single external resistor. Its high efficiency design delivers up to 25A continuous current for each output. Only a few input and output capacitors are needed. The LTM4650 is a pin compatible with the LTM4620 (dual 13A, single 26A) and the LTM4630 (dual 18A, single 36A). The device supports frequency synchronization, multiphase operation, burst mode operation, and output voltage tracking for supply rail sequencing and has an on-board temperature diode for device temperature monitoring. Application includes a processor, ASIC, and FPGA core power, telecom and networking equipment, storage and ATCA cards, and industrial equipment.

• Differential remote sense amplifier
• Current mode control/fast transient response
• Adjustable switching frequency, frequency synchronization
• Overcurrent foldback protection, internal temperature monitor
• Input DC voltage range from 4.5 to 15V (TA=25°C, VIN=12V and VRUN1, VRUN2 at 5V)
• Output DC voltage range from 0.6 to 1.8V (TA=25°C, VIN=12V and VRUN1, VRUN2 at 5V)
• Typical RUN pin on/off threshold is 1.25V (TA=25°C, VIN=12V and VRUN1, VRUN2 at 5V)
• Typical gain is 1V/V (TA=25°C, VIN=12V and VRUN1, VRUN2 at 5V)
• 144-pin BGA package type
• Operating temperature range from -40°C to 125°C

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