Datasheet

MPC5674F Microcontroller Data Sheet, Rev. 9
Electrical Characteristics
Freescale Semiconductor28
12c LVD VDDREG Hysteresis
(LDO3V / LDO5V mode)
—30mV
12d V
LVDSTEPREG
Trimming step LVD VDDREG
(LDO3V / LDO5V mode)
—30mV
13 V
LVDREG
Nominal rising LVD VDDREG
(SMPS5V mode)
—4.360 V
13a Untrimmed LVD VDDREG variation before band
gap trim
Note: Rising VDDREG
V
LVDREG
– 5% V
LVDREG
V
LVDREG
+ 5% V
13b Trimmed LVD VDDREG variation after band gap
trim
Note: Rising VDDREG
V
LVDREG
– 3% V
LVDREG
V
LVDREG
+ 3% V
13c LVD VDDREG Hysteresis
(SMPS5V mode)
—50mV
13d V
LVDSTEPREG
Trimming step LVD VDDREG
(SMPS5V mode)
—50mV
14 V
LVDA
Nominal rising LVD VDDA 4.60 V
14a Untrimmed LVD VDDA variation before band gap
trim
V
LVDA
– 5% V
LVDA
V
LVDA
+ 5% V
14b Trimmed LVD VDDA variation after band gap trim V
LVDA
– 3% V
LVDA
V
LVDA
+ 3% V
14c LVD VDDA Hysteresis 150 mV
14d V
LVDASTEP
Trimming step LVD VDDA 20 mV
15 SMPS regulator output resistance
Note: Pulup to VDDREG when high, pulldown to
VSSREG when low.
—1525Ohm
16 SMPS regulator clock frequency (after reset) 1.0 1.5 2.4 MHz
17 SMPS regulator overshoot at start-up
2
—1.321.4V
18 SMPS maximum output current 1.0 A
19 Voltage variation on current step
2
(20% to 80% of
maximum current with 4 usec constant time)
——0.1V
1
VRC linear regulator is capable of sourcing a current up to 20 mA and sinking a current up to 500 A. When using the
recommended ballast transistor the maximum output current provided by the voltage regulator VRC/ballast to the VDD core
voltage is up to 1A.
2
Parameter cannot be tested; this value is based on simulation and characterization.
Table 11. PMC Electrical Specifications (continued)
ID Name Parameter Min Typ Max Unit