CY8C3865LTI-059 datasheet(69/129 Pages) CYPRESS

69 / 129 page

PSoC® 3: CY8C38 Family

Data Sheet

Document Number: 001-11729 Rev. *R

Page 69 of 129

11.3 Power Regulators

Specifications are valid for –40 °C

≤ TA ≤ 85 °C and TJ ≤ 100 °C, except where noted. Specifications are valid for 1.71 V to 5.5 V,

except where noted.

11.3.1 Digital Core Regulator

Figure 11-5. Regulators VCC vs VDD

Figure 11-6. Digital Regulator PSRR vs Frequency and VDD

11.3.2 Analog Core Regulator

Figure 11-7. Analog Regulator PSRR vs Frequency and VDD

Table 11-4. Digital Core Regulator DC Specifications

Parameter

Description

Conditions

Min

Typ

Max

Units

VDDD

Input voltage

1.8

–

5.5

VCCD

Output voltage

–

1.80

–

Regulator output capacitor

±10%, X5R ceramic or better. The two

VCCD pins must be shorted together, with

as short a trace as possible, see Power

System on page 29

–1

–

µF

Table 11-5. Analog Core Regulator DC Specifications

Parameter

Description

Conditions

Min

Typ

Max

Units

VDDA

Input voltage

1.8

–

5.5

VCCA

Output voltage

–

1.80

–

Regulator output capacitor

±10%, X5R ceramic or better

–

µF

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