Power Dissipation With the high output drive capability of the EL2386, it is possible to exceed the 150°C Absolute Maximum junction temp" />
參數資料
型號: EL2386CS
廠商: Intersil
文件頁數: 3/13頁
文件大小: 0K
描述: IC OP AMP TRPL CURR FDBK 16-SOIC
標準包裝: 141
放大器類型: 電流反饋
電路數: 3
轉換速率: 1200 V/µs
-3db帶寬: 250MHz
電流 - 輸入偏壓: 16µA
電壓 - 輸入偏移: 2500µV
電流 - 電源: 3mA
電流 - 輸出 / 通道: 55mA
電壓 - 電源,單路/雙路(±): 3 V ~ 12 V,±1.5 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 16-SOIC
包裝: 管件
11
Power Dissipation
With the high output drive capability of the EL2386, it is
possible to exceed the 150°C Absolute Maximum junction
temperature under certain very high load current conditions.
Generally speaking, when R
L falls below about 25, it is
important to calculate the maximum junction temperature
(T
JMAX) for the application to determine if power-supply
voltages, load conditions, or package type need to be
modified for the EL2386 to remain in the safe operating area.
These parameters are calculated as follows:
where:
TMAX = Maximum ambient temperature
θ
JA = Thermal resistance of the package
n = Number of amplifiers in the package
PDMAX = Maximum power dissipation of each amplifier in
the package
PDMAX for each amplifier can be calculated as follows:
where:
VS = Supply voltage
ISMAX = Maximum supply current of 1 amplifier
VOUTMAX = Max. output voltage of the application
RL = Load resistance
FIGURE 2.
T
JMAX
T
MAX
θ
JA*n *PDMAX
()
+
=
PD
MAX
2V
S *ISMAX
×
() +
=
V
S
()-V
OUTMAX
()*V
OUTMAX RL
()
EL2386
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