RT8253B RICHTEK [Richtek Technology Corporation], RT8253B Datasheet - Page 5

• Manufacturer Part Number: RT8253B
• Description: 3A, 23V, 1.2MHz 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.
DS8253B-02 March 2011
EN Threshold
Voltage
Input Under Voltage Lockout
Threshold
Input Under Voltage Lockout
Hysteresis
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 position of θ
SOP-8 (Exposed Pad) package.
JA
Parameter
is measured in natural convection at T
Logic-High
Logic-Low
V
V
T
Symbol
SD
IH
IL
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
--
--
--
--
--
JC
13.5
is on the expose pad for
Typ
320
150
4.2
--
--
6
RT8253B
www.richtek.com
Max
5.5
0.4
4.5
--
--
--
--
Unit
mV
ms
°C
μA
V
V
5