RT8252B データシートの表示（PDF） - Richtek Technology
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RT8252B Datasheet PDF : 14 Pages
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RT8252B
Parameter
S ymbo l
Test Conditions
Min Typ Max Unit
EN Threshold Logic-High VIH
Voltage
Logic-Low VIL
Input Under Voltage Lockout
Threshold
Input Under Voltage Lockout
Hysteresis
Soft-Start Current
Soft-Start Period
Thermal Shutdown
TSD
VIN Rising
VSS = 0V
CSS = 0.1μF
2.7
--
5.5
V
--
--
0.4
3.8 4.2 4.5
V
--
320
--
mV
--
6
--
μA
-- 13.5 --
ms
--
150
--
°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 natural convection at TA = 25°C on a high effective thermal conductivity four-layer test board of
JEDEC 51-7 thermal measurement standard. The measurement case position of θJC is on the exposed 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.
DS8252B-02 March 2011
www.richtek.com
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