Data Sheet
1A, 1.4MHz High Efficiency Synchronous DC-DC Buck Converter AP3417A
Aug. 2012 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
4
Absolute Maximum Ratings (Note 1)
Parameter Symbol Value Unit
Input Voltage V
IN
-0.3 to 6.0 V
Feedback Voltage V
FB
-0.3 to V
IN
+0.3 V
EN Pin Voltage V
EN
-0.3 to V
IN
+0.3 V
SW Pin Voltage V
SW
-0.3 to V
IN
+0.3 V
Thermal Resistance
θ
JA
265 ºC/W
Operating Junction Temperature T
J
150 ºC
Storage Temperature T
STG
-65 to 150 ºC
Lead Temperature (Soldering, 10sec) T
LEAD
260 ºC
ESD(Machine Model) 200 V
ESD(Human Body Model) 2000 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
Input Voltage V
IN
2.5 5.5 V
Operating Ambient Temperature T
A
-40 85 ºC