MIC5210 datasheet(5/11 Pages) MICREL

5 / 11 page

Micrel, Inc.

MIC5210

September 2006

M9999-090806

Symbol

Parameter

Condition

Min

Typ

Max

Units

Enable Input

VIL

Enable Input Logic-Low Voltage

Regulator shutdown

0.4

0.18

VIH

Enable Input Logic-High

Voltage

Regulator enabled

2.0

IIL

IIH

Enable Input Current

VIL ≤ 0.4V

VIL ≤ 0.18V

VIH ≥ 2.0V

0.01

–1

–2

µA

Notes:

1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating

the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(max), the

junction-to-ambient thermal resistance, θJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature

is calculated using: PD(max) = (T J(max) – TA) / θJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the

regulator will go into thermal shutdown. The θJA of the 8-pin MSOP (MM) is 200°C/W mounted on a PC board (see “Thermal Considerations” section

for further details).

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

3. 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.

4. 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.

5. 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.

6. 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.

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