MP62055EJ-LF-Z データシートの表示（PDF） - Monolithic Power Systems

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MP62055EJ-LF-Z

3.3V/5V, Single-Channel 500mA Current-Limited Power Distribution Switch

Monolithic Power Systems 

MP62055 –CURRENT-LIMITED POWER DISTRIBUTION SWITCHE

Thermal Protection

The purpose of thermal protection is to prevent

damage in the IC by allowing exceptive current to

flow and heating the junction. The die

temperature is internally monitored until the

thermal limit is reached. Once this temperature is

reached, the switch will turn off and allow the

chip to cool. The switch has a built-in hysteresis.

Under-voltage Lockout (UVLO)

This circuit is used to monitor the input voltage to

ensure that the MP62055 is operating correctly.

This UVLO circuit also ensures that there is no

operation until the input voltage reaches the

minimum spec.

Enable

The logic pin disables the chip to reduce the

supply current. The device will operate once the

enable signal reaches the appropriate level. The

input is compatible with both COMS and TTL.

MP62055 Rev.1.0

www.MonolithicPower.com

8

4/19/2010

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