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参数资料
| 型号： | MPC5606SCMG6 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PBGA208 |
| 封装： | 17 X 17 MM, 1 MM PITCH, MAPBGA-208 |
| 文件页数： | 105/134页 |
| 文件大小： | 890K |
| 代理商： | MPC5606SCMG6 |
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MPC560xS Microcontroller Data Sheet, Rev. 5
Preliminary—Subject to Change Without Notice
Electrical characteristics
Freescale Semiconductor
72
CAUTION
The VDD IO HV supply must be disabled after the VDDREG HV supply voltage drops
below 1.5 V. This is to ensure that the 1.2 V regulator shuts down before the 3.3 V regulator
shuts down.
3.7.5
Power-up inrush current profile
Figure 10 shows the power up inrush current profile of the ballast transistor under the worst possible startup condition (fastest
PVT and fastest power ramp time).
Figure 10. Power-up inrush current profile
The HPREG has a “soft startup” profile which increases the supply in steps of approximately 50 mV in a series of approximately
25 steps. Therefore, the peak current is within 750 mA of the maximum current during startup. This eliminates any noise on the
VDDR supply during startup and charging of NPN emitter stability capacitance of 40
F (minimum).
Soft startup also occurs when waking up from standby mode to limit noise on the VDDR supply.
In case VDDR is shared between the device and the ballast, it must be star routed on the board or isolated as much as possible
to avoid any noise injected by the ballast. Soft startup will help to limit this noise but a VDDR capacitor close to the ballast pin
is critical here. A minimum capacitance of 10
F is needed.
Table 29 shows the typical and maximum startup currents.
3.7.6
HPREG load regulation characteristics
The HPREG exhibits a very strong load-regulation behavior (the transition from low- to high-current state is regulated quickly).
This is illustrated in Figure 12, which shows a 10–150 mA jump over 10 ns. Under any case of load transition, the HPREG
responds within 100 ns and stabilizes within 5
s. This helps improve the stability of the 1.2 V supply and settling time.
Table 29. Startup current
Symbol
C
Parameter
Value
Unit
Typ
Max
ISTART
CC
P Startup current
300
800
mA
1.2 V supply
Base control
Current profile
3–5.5 V
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
MPC5606S
products
in
208
MAPBGA
packages
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