MPC5777C datasheet(43/90 Pages) NXP

43 / 90 page

The SMPS regulator characteristics appear in the following table.

Table 27. SMPS electrical characteristics

Symbol

Parameter

Conditions

Value

Unit

Min

Typ

Max

SMPSCLOCK

SMPS oscillator frequency

Trimmed

825

1000

1220

kHz

SMPSSLOPE

SMPS soft-start ramp slope

—

0.01

0.025

0.05

V/μs

SMPSEFF

SMPS typical efficiency

—

3.11.2 Power management integration

To ensure correct functionality of the device, use the following recommended integration

scheme for LDO mode.

C HV_FLA

VDDPWR

C HV_PMC

VSSPWR

VDDE(H)x

VSS

MPC5777C

VDD

VSS

C REFEQ

C SMPSPWR

n x

C HV_IO

REF BYPC

n x

C LV

1 One capacitance near each VDD pin

2 One capacitance near each VDDE(H)x pin

Figure 14. Recommended supply pin circuits

Electrical characteristics

MPC5777C Microcontroller Data Sheet Data Sheet, Rev. 14, 01/2020.

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