RT8284 datasheet(5/15 Pages) RICHTEK

5 / 15 page

RT8284

DS8284-01 March 2011

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.

θJA is measured in natural convection at TA = 25°C on a high-effective thermal conductivity four-layer test board,refer

to JEDEC 51-7 thermal measurement standard. The measurement case position of

θJC is on the exposeed pad for

SOP-8 (Exposed Pad) package.

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

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

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Logic High

VIH

2.7

5.5

EN Threshold Voltage

Logic Low

VIL

0.4

Input Under Voltage Lockout Threshold

VIN Rising

3.8

4.2

4.5

Input Under Voltage Lockout Hysteresis

320

Soft-Start Current

VSS = 0V

μA

Soft-Start Period

CSS = 0.1μF

15.5

Thermal Shutdown

TSD

150

°C

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