MIC5239 データシートの表示（PDF） - Micrel

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MIC5239

Low Quiescent Current 500mA µCap LDO Regulator

Micrel 

Micrel

Adjustable Regulator Application

Figure 10. Adjustable Voltage Application

MIC5239

The MIC5239YM can be adjusted from 1.24V to 20V by

using two external resistors (Figure 10). The resistors

set the output voltage based on the following equation:

VOUT

=

VREF

⎜⎛1

⎝

+

R1 ⎟⎞

R2 ⎠

Where VREF = 1.23V.

Feedback resistor R2 should be no larger than 300kΩ.

December 2007

12

M9999-121007

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