AME1084 查看數據表（PDF） - AME, Inc

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AME1084

5A Low Dropout Positive Voltage Regulator

AME, Inc 

Analog Microelectronics, Inc.

AME1084

5A Low Dropout

Positive Voltage Regulator

5. Thermal consideration

The AME1084 series contain thermal limiting

circuitry designed to protect itself for over-

temperature conditions. Even for normal load

conditions, maximum junction temperature

ratings must not be exceed. As mention in

thermal protection section, we need to con-

sider all sources of thermal resistance be-

tween junction and ambient. It includes junc-

tion-to-case, case-to-heat-sink interface and

heat sink thermal resistance itself.

Junction-to-case thermal resistance is speci-

fied from the IC junction to the bottom of the

case directly below the die. Proper mounting

is required to ensure the best possible ther-

mal flow from this area of the package to the

heat sink. The case of all devices in this se-

ries is electrically connected to the output.

Therefore, if the case of the device must be

electrically isolated, a thermally conductive

spacer is recommended.

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