42A AMD Hammer Microprocessor Power Supply Using the LTC3719
Reference Design using part LTC3719 by Analog Devices
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For End Products
- Laptop
- Notebook
- Processor Power Management
Description
- Circuit shows a 2-phase 42A AMD Hammer processor power supply. With only one IC, ten tiny SO-8 size MOSFETs and two 1mH, low profile surface mount inductors, this supply is better than 86% efficient for a 12V input and a 1.55V/42A output
Key Features
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Conversion TypeDC to DC
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Input Voltage12 V
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Output Voltage0.8 to 1.55 V
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Output Current3 to 42 A
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Efficiency86 %
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TopologyBuck
Featured Parts (3)
| Part Number | Manufacturer | Type | Description | |||
|---|---|---|---|---|---|---|
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LTC3719EG#PBF | Analog Devices | DC to DC Controllers | DC/DC Cntrlr Single-OUT Step Down 300kHz 36-Pin SSOP Tube | Buy | |
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LTC3719EG | Analog Devices | DC to DC Controllers | DC/DC Cntrlr Single-OUT Step Down 300kHz 36-Pin SSOP | Buy | |
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LTC3719EG#TRPBF | Analog Devices | DC to DC Controllers | DC/DC Cntrlr Single-OUT Step Down 300kHz 36-Pin SSOP T/R | Buy | |