參數(shù)資料
型號: LT3021EDH-1.5
廠商: LINEAR TECHNOLOGY CORP
元件分類: 基準電壓源/電流源
英文描述: 500mA, Low Voltage, Very Low Dropout Linear Regulator
中文描述: 1.5 V FIXED POSITIVE LDO REGULATOR, 0.285 V DROPOUT, PDSO16
封裝: 5 X 5 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WJJD-1, DFN-16
文件頁數(shù): 13/16頁
文件大?。?/td> 235K
代理商: LT3021EDH-1.5
13
LT3021/LT3021-1.2/
LT3021-1.5/LT3021-1.8
3021fa
APPLICATIU
If the LT3021 is powered by a battery mounted in close
proximity on the same circuit board, a 3.3
μ
F input capaci-
tor is sufficient for stability. However, if the LT3021 is
powered by a distant supply, use a larger value input
capacitor following the guideline of roughly 1
μ
F (in addi-
tion to the 3.3
μ
F minimum) per 8 inches of wire length. As
power supply output impedance may vary, the minimum
input capacitance needed to stabilize the application may
W
U
U
also vary. Extra capacitance may also be placed directly on
the output of the power supply; however, this will require
an order of magnitude more capacitance as opposed to
placing extra capacitance in close proximity to the LT3021.
Furthermore, series resistance may be placed between the
supply and the input of the LT3021 to stabilize the appli-
cation; as little as 0.1
to 0.5
will suffice.
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