參數(shù)資料
型號: LP3991TLX-2.5
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 基準電壓源/電流源
英文描述: 300mA Linear Voltage Regulator for Digital Applications
中文描述: FIXED POSITIVE LDO REGULATOR, PBGA4
封裝: 0.963 X 1.446 MM, LEAD FREE, MICRO SMD-4
文件頁數(shù): 6/14頁
文件大小: 266K
代理商: LP3991TLX-2.5
Output Capacitor, Recommended Specifications
Parameter
Conditions
Typ
Limit
Units
Min
Max
C
OUT
Output Capacitor
Capacitance
(Note 16)
V
OUT
1.5V
V
OUT
< 1.5V
(Note 17)
4.7
2
μF
2.2
1.6
ESR
5
500
m
Note 16:
The capacitor tolerance should be 30% or better over temperature. The full operating conditions for the application should be considered when selecting
a suitable capacitor to ensure that the minimum value of capacitance is always met. Recommended capacitor type is X7R or X5R. (See capacitor section in
Applications Hints)
Note 17:
On lower voltage options, 2.2μF output capacitor may be used but some degradation in load transient (10 -15%) can be expected, compared to a 4.7μF.
www.national.com
6
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