RT8278 RICHTEK [Richtek Technology Corporation], RT8278 Datasheet - Page 5

• Manufacturer Part Number: RT8278
• Description: 2A, 24V, 3MHz 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.
DS8278-02 March 2011
EN T hreshold
Voltage
Enable Pull Up Current
Quiescent Current
Shutdown Current
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
package.
JA
is measured in natural convection at T
Parameter
Logic-Low
Logic-High
V
V
I
I
Symbol
Q
SHDN
IH
IL
A
V
V
= 25°C on a high effective thermal conductivity four-layer test board of
EN
EN
= 2V, V
= 0V
Test Conditions
FB
= 1V
Min
1.4
--
--
--
--
--
JC
is on the exposed pad of the
150
Typ
0.8
25
--
--
1
RT8278
www.richtek.com
Max
0.4
--
--
1
--
--
Unit
mA
μA
μA
°C
V
5