參數(shù)資料
型號: HA18
廠商: TAEJIN Technology Co., Ltd.
英文描述: 150 mA C-MOS L.D.O. Regulator
中文描述: 一百五十毫安的C - MOS LDO穩(wěn)壓器
文件頁數(shù): 4/4頁
文件大小: 177K
代理商: HA18
150 mA C-MOS L.D.O. Regulator
LM1185SF
EQUATION 3-1:
0702 Taejin Technology Co.,Ltd.
HTC
4
The maximum allowable power dissipation (Equation
3-2) is a function of the maximum ambient
temperature(T
AMAX
), the maximum allowable die
temperature(T
JMAX
) and the thermal resistance from
junction-to-air(
θ
JA
).
EQUATION 3-2:
3.3 Layout Considerations :
The primary path of heat conduction out of the package is via the package leads. Therefore,layouts
having a ground plane,wide traces at the pads,and wide power supply bus lines combine to lower
θ
JA
and therefore increase the maximum allow able power dissipation limit.
Equation 3-1 can be used in conjunction with
Equation 4-2 to ensure regulator thermal operation
is within limits.Forexample:
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