MPC5744P datasheet(70/114 Pages) FREESCALE

70 / 114 page

MPC5744P Data Sheet, Rev. 0.3

Preliminary—Subject to Change Without Notice

Electrical characteristics

Freescale Semiconductor

Table 18. Voltage regulator electrical specifications

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Cld

—

External decoupling/

stability capacitor

Min, max values shall be granted

with respect to tolerance, voltage,

temperature, and aging variations.

—µF

—

Combined ESR of

external capacitor

—0.03

—0.15

tSU

Start-up time after main

supply stabilization

Cld =10 µF

—

—2.5

Lbw

—

Bonding inductance

Rbw

—

Bonding wire and pad

resistance

0.5

Rsd

—

Series resistance of

on-chip power grid

0.1

Csd

—

On-chip power grid to

ground capacitance

tbd

Cpd

—

Parallel decoupling

capacitor

per pin, no more than 300 nF total

Rsn

—

Snubber resistor for

stability

dep. on transistor

tbd

Csn

—

Snubber capacitor for

stability

dep. on transistor

tbd

—

Power Supply Rejection

(Cld=10uF)

@DC no load

@200 kHz no load

@DC 400 mA

@200 kHz 400 mA

-23

—

Load current transient

Iload from 20% to 80%

Cld =10 µF

1.0

µs

—

Supply ramp rate

VDD12_CORE

—

0.01

—

V/ms

—

Supply Ramp Rate

VDD33_REG

—

1000

V/ms

—

POR VDD12_CORE

0.98

1.02

1.08

POR VDD33_REG

2.4

2.59

2.76

LVD_CORE,

LVD_CORE_BK

calibrated (trimmed)

1.12

1.15

1.18

HVD_CORE,

HVD_CORE_BK

calibrated (trimmed)

1.32

1.36

1.40

LVD_REG

calibrated (trimmed)

2.93

3.05

3.13

LVD_IO

calibrated (trimmed)

2.93

3.05

3.13

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