TPS-1 User’s Manual: Hardware Appendix. B Board Design Information
R19UH0081ED0107 Rev. 1.07 page 75 of 86
Jul 30, 2018
Board Design Information
This chapter provides useful information related to PCB design.
Voltage supply
The TPS-1 requires 3 supply voltages. The necessary supply voltages can be delivered directly from the power supply unit. In this case, the switching
regulator is not needed (refer Chapter8.5). You can also use the integrated voltage regulator that is fed with 3.3 V. The recommended circuitry
described in AppendixB.2
Necessary supply voltages of the TPS-1:
• 3.3 V nominal (between 3.0 V and 3.6 V)
• 1.5 V nominal (between 1.35 V and 1.65 V)
• 1.0 V nominal (between 0.9 V and 1.1 V, core voltage)
Switching Regulator
Switching regulator (features):
• Output voltage : 1.5V +/-5%
• Output current : 250 mA (max. DC)
• Power supply voltage : 3.3V +/- 0.3V
• Switching frequency : 1 MHz (typ)
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