RT8253A RICHTEK [Richtek Technology Corporation], RT8253A Datasheet - Page 5

• Manufacturer Part Number: RT8253A
• Description: 3A, 23V, 340kHz Synchronous Step-Down Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
Note 2. θ
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
DS8253A-02 March 2011
Input Under Voltage Lockout
Threshold
Input Under Voltage Lockout
Threshold Hysteresis
EN Threshold
Voltage
Soft-Start Current
Soft-Start Period
Thermal Shutdown
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.
JEDEC 51-7 thermal measurement standard. The measurement case positions of θ
package and the expose pad for the SOP(Exposed Pad) package.
JA
Parameter
is measured in natural convection at T
Logic-High
Logic-Low
V
V
I
t
T
SS
SS
Symbol
IH
IL
SD
V
V
C
A
IN
SS
SS
= 25°C on a high effective thermal conductivity four-layer test board of
Rising
= 0V
= 0.1μF
Test Conditions
Min
3.8
2.7
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JC
are on the lead of the SOP
13.5
Typ
320
150
4.2
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6
RT8253A
Max
4.5
5.5
0.4
www.richtek.com
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Unit
mV
ms
°C
μA
V
V
5