RT8078A 데이터 시트보기 (PDF) - Richtek Technology
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RT8078A Datasheet PDF : 12 Pages
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RT8078A
Parameter
S ymbol
Test Conditions
Min Typ Max Unit
EN Pull Low Resistance
--
500
--
kΩ
Over Temperature Protection
Over Temperature Protection
Hysteresis
Soft-Start Time
VOUT Discharge Resistance
VOUT Over Voltage Protection
(Latch-Off, Delay Time = 10μs)
VOUT Under Voltage Lock Out
(Latch-Off)
TS D
ΔTSD
tS S
Power Good
Power Good Hysteresis
--
150
--
°C
--
20
--
°C
500
--
--
μs
--
100
--
Ω
--
120
--
%
--
33
--
%
Measured FB, With Respect to
VREF
--
90
--
%
--
5
--
%
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 of the
packages.
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
DS8078A-01 June 2011
www.richtek.com
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