参数资料
型号: SPC560B50L3C5E0R
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-100
文件页数: 25/74页
文件大小: 971K
代理商: SPC560B50L3C5E0R
Electrical characteristics
SPC560Bx, SPC560Cx
Doc ID 14619 Rev 4
Figure 8.
Voltage regulator capacitance connection
The internal voltage regulator requires external capacitance (CREGn) to be connected to the
device in order to provide a stable low voltage digital supply to the device. Capacitances
should be placed on the board as near as possible to the associated pins. Care should also
be taken to limit the serial inductance of the board to less than 5 nH.
Each decoupling capacitor must be placed between each of the three VDD_LV/VSS_LV supply
pairs to ensure stable voltage (see Section 4.5, “Recommended operating conditions).
C
REG
1
(L
V_CO
R
/L
V
_
D
FL
A)
DEVICE
VSS_LV
VDD_BV
VDD_LV
C
DEC1
(B
alla
st
decoup
ling)
VSS_LV
VDD_LV
VDD
VSS_LV
VDD_LV
CREG2 (LV_COR/LV_CFLA)
CREG3 (LV_COR/LV_PLL)
CDEC2 (supply/IO decoupling)
DEVICE
VDD_BV
I
VDD_LVn
VREF
VDD
Voltage Regulator
VSS
VSS_LVn
GND
Table 21.
Voltage regulator electrical characteristics
Symbol
C
Parameter
Conditions(1)
Value(2)
Unit
Min
Typ
Max
CREGn
SR —
Internal voltage regulator external
capacitance
200
330
nF
RREG
SR —
Stability capacitor equivalent serial
resistance
——
0.2
Ω
CDEC1
SR — Decoupling capacitance(3) ballast
VDD_BV/VSS_LV pair
400
470(4)
—nF
CDEC2
SR —
Decoupling capacitance regulator
supply
VDD/VSS pair
10
100
nF
VMREG
CC P Main regulator output voltage
Before trimming
1.32
V
After trimming
1.28
IMREG
SR —
Main regulator current provided to
VDD_LV domain
——
150
mA
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