MIC5258 Micrel Semiconductor, MIC5258 Datasheet - Page 8
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MIC5258
Manufacturer Part Number
MIC5258
Description
150mA UCap CMOS LDO Regulator w/Power Good
Manufacturer
Micrel Semiconductor
Datasheet
1.MIC5258.pdf
(12 pages)
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MIC5258
ground current is < 1% and can be ignored for this calculation.
Therefore, a 1.2V application at 150mA of output current can
accept a maximum input voltage of 3.4V in a SOT-23-5
package. For a full discussion of heat sinking and thermal
effects on voltage regulators, refer to the Regulator Thermals
section of Micrel’s Designing with Low-Dropout Voltage Regu-
lators handbook.
Dual-Supply Operation
When used in dual supply systems where the regulator load
is returned to a negative supply, the output voltage must be
diode clamped to ground.
MIC5258
315mW = (V
315mW = V
510mW = V
V
IN(max)
= 3.4V
IN
IN
IN
·150mA – 195mW
·150mA
– 1.2V) 150mA
8
September 2001
Micrel