MIC5205-2.5YM5 데이터 시트보기 (PDF) - Micrel

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MIC5205-2.5YM5

150mA Low-Noise LDO Regulator

Micrel 

Micrel

MIC5205

Notes:

1. Exceeding the absolute maximum rating may damage the device.

2. The device is not guaranteed to function outside its operating rating.

3. The maximum allowable power dissipation at any TA (ambient temperature) is PD(max) = (TJ(max) – TA) ⎟ ⎝JA. Exceeding the maximum allowable

power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. The ⎝JA of the MIC5205-xxBM5 (all

versions) is 220°C/W mounted on a PC board (see “Thermal Considerations” section for further details).

4. Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range.

5. Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load regulation in the load range

from 0.1mA to 150mA. Changes in output voltage due to heating effects are covered by the thermal regulation specification.

6. Dropout Voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at 1V

differential.

7. Ground pin current is the regulator quiescent current plus pass transistor base current. The total current drawn from the supply is the sum of the load

current plus the ground pin current.

8, Thermal regulation is defined as the change in output voltage at a time “t” after a change in power dissipation is applied, excluding load or line

regulation effects. Specifications are for a 150mA load pulse at VIN = 16V for t = 10ms.

February 2006

4

M9999-020806

(408) 955-1690

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