The DC1083A-B is a demonstration board populated with LTM4603HVEV DC to DC μModule regulator. The LTM4603HVEV is a 6A, 28VIN complete step down switch mode DC to DC power supply with onboard switching controller, MOSFETs, inductor and all support components. The low profile (2.8mm) and light weight (1.7g) package easily mounts on the unused space on the back side of PC boards for high density point of load regulation. The input voltage range is from 4.5V to 28V. The output voltage is jumper programmable from 0.6V to 5V. The rated load current is 6A, while derating is necessary for certain VIN, VOUT and thermal conditions. Applying an external clock signal to the PLLIN pin forces the μModule regulator to operate at the same frequency. The output ramp up and ramp down may be programmed through the TRACK/SS pin. Margining function is provided for the user who wants to stress their system by varying supply voltages during testing.
- Default operating frequency of 1MHz
- External clock frequency range from 700KHz to 1.3MHz
- Output voltage tracking and margining
- Remote sensing for precision regulation
- PLL frequency synchronization
- 1.5% regulation
- Current foldback protection (disabled at start up)
- Ultrafast transient response
- Current mode control
- Programmable soft start
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