RT9722 datasheet(5/14 Pages) RICHTEK

5 / 14 page

RT9722

DS9722-00 August 2011

www.richtek.com

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

FLG Output Resistance

RFLG

ISINK = 1mA

FLG Off Current

IFLG_Off

VFLG = 5V

0.01

μA

FLG Delay Time

From Fault Condition to FLG

Assertion

Under Voltage Lockout

Threshold

VUVLO

VIN Increasing

2.4

Under Voltage Hysteresis

ΔVUVLO

VIN Increasing

0.1

Thermal Shutdown Protection

TSD

150

°C

Thermal Shutdown Hysteresis

ΔTSD

°C

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.

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

JEDEC 51-3 thermal measurement standard.

Note 3. Devices are ESD sensitive. Handling precaution is recommended.

Note 4. The device is not guaranteed to function outside its operating conditions.

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