Cypress Semiconductor EZ-Host CY7C67300 User Manual download pdf (Page 24)

CY7C6730

PRELIMINARY

Document #: 38-08015 Rev. *D Page 24 of 120

Component details:

• L1: Inductor with inductance of 10 uH and a current rating of at least 250 mA

• D1: Schottky diode with a current rating of at least 250 mA

•C1: Tantalum or ceramic capacitor with a capacitance of at least 2.2 uF.

Figure 4-7 shows how to connect the power supply when the booster circuit is not being used.

Figure 4-6. Power Supply Connection With Booster

Figure 4-7. Power Supply Connection Without Booster

2.7V to 3.6V

power supply

BOOSTVcc

VSWITCH

C1 VCC

AVCC

3.3V

3.0V to 3.6V

power supply

BOOSTVcc

VSWITCH

VCC

AVCC

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Cypress Semiconductor EZ-Host CY7C67300 User Manual Page 24