參數(shù)資料
型號(hào): MCF5251CVM140
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 140 MHz, MICROPROCESSOR, PBGA225
封裝: LEAD FREE, MAPBGA-225
文件頁數(shù): 4/34頁
文件大小: 674K
代理商: MCF5251CVM140
Electrical Specifications
MCF5251 ColdFire Processor Data Sheet: Technical Data, Rev. 3
12
Freescale Semiconductor
Table 7 provides the operating parameters for the linear regulator.
NOTE
A pmos regulator is used as a current source in this linear regulator, so a
10 F capacitor (ESR 0... 5 Ohm) is needed on the output pin (LINOUT) to
integrate the current. Typically, this requires the use of a tantalum type
capacitor.
Table 8 provides the measured parameters related to temperature for the linear regulator.
USBGND
GND
V
RTCVDDA
3.0
4.2
V
RTCVSSA
GND
V
PLLCOREVDD
1.08
1.2
1.32
V
PLLCOREGND
GND
V
LININ
3.0
3.3
3.6
V
GND
GND
V
Table 7. Linear Regulator Operating Parameters
Characteristic
Symbol
Min
Typ
Max
Units
Input Voltage (LININ)
Vin
3.0
3.3
3.6
V
Output Voltage (LINOUT)
Vout
1.08
1.2
1.32
V
Output Current
Iout
100
150
mA
Power Dissipation
Pd
500
mW
Load Regulation
10% Iout
≥ 90% Iout
50
60
mV
Power Supply Rejection
PSRR
40
dB
Table 8. Linear Regulator—Measured Parameters Related to Temperature
Characteristic
Symbol
Min
Typ
Max
Units
Input Voltage (LININ)
Vin
2.97
3.3
3.63
V
Output Voltage (LINOUT)
100 mA load
Vout
125 oC: 1.16:
25 oC: 1.19
-40 oC: 1.22
V
Current Consumption
Icc
-40 oC: 44
25 oC: 56
125 oC: 68
mA
Power Dissipation
Pd
-40 oC: 131
25 oC: 185
125 oC: 247
mW
Load Regulation
10% Iout
≥ 90% Iout
–-40 oC: 46
25 oC: 57
125 oC: 70
mV
Table 6. Recommended Operating Supply Voltages (continued)
Pin Name
Min
Typ
Max
Unit
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