Data Sheet
5V, 2A, 1.5MHz, Step-down DC-DC Converter AUR9721
Aug. 2012 Rev. 1.0 BCD Semiconductor Manufacturing Limited
4
Absolute Maximum Ratings (Note 1)
Parameter Symbol Value Unit
Supply Input Voltage V
IN
0 to 6.0
V
Enable Input Voltage V
EN
-0.3 to V
IN
+0.3
V
Switch Output Voltage V
SW
-0.3 to V
IN
+0.3
V
Power Dissipation (On 4 Layer PCB, T
A
=25°C) P
D
2.2
W
Thermal Resistance (Junction to Ambient, Simulation) θ
JA
45
°C/W
Operating Junction Temperature T
J
150
°C
Operating Temperature T
OP
-40 to 85
°C
Storage Temperature T
STG
-55 to 150
°C
ESD (Human Body Model) V
HBM
2000
V
ESD (Machine Model) V
MM
200
V
Note 1: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to
the device. These are stress ratings only, and functional operation of the device at these or any other conditions
beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute
Maximum Ratings” for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter Symbol Min Max Unit
Supply Input Voltage V
IN
2.7 5.5 V
Junction Temperature Range T
J
-40 125 °C
Ambient Temperature Range T
A
-40 80 °C
