RT9012 datasheet(5/11 Pages) RICHTEK

5 / 11 page

RT9012

Preliminary

DS9012-06 August 2007

www.richtek.com

Note 1.

Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for

stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the

operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended

periods may remain possibility to affect device reliability.

Note 2.

Devices are ESD sensitive. Handling precaution recommended.

Note 3.

The device is not guaranteed to function outside its operating conditions.

Note 4.

θJA is measured in the natural convection at TA = 25°C on a low effective thermal conductivity test board of

JEDEC 51-3 thermal measurement standard.

Note 5.

The dropout voltage is defined as VIN -VOUT, which is measured when VOUT is VOUT(NORMAL)

− 100mV.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

f =100Hz

f =1kHz

PSRR

ILOAD = 10mA

PSRR

f =10kHz

f =100Hz

f =1kHz

PSRR

ILOAD = 150mA

PSRR

f =10kHz

Power Good

VTHL

Low Threshold, % of nominal

VOUT2 (Flag On)

Reset Threshold

VTHH

High Threshold, % of nominal

VOUT2 (Flag Off)

POR Output Logic Low Voltage

VOL

ILOW = 250uA

0.02

0.1

POR Leakage Current

IPOR

Flag Off

-1

0.01

μA

Set pin Current Source

VSET = 0

0.60

1.25

1.70

μA

Set pin Threshold

POR = high

1.4

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