Pam2309, Absolute maximum ratings, Recommended operating conditions – Diodes PAM2309 User Manual
Page 3: Thermal information

PAM2309
Document number: DSxxxxx Rev. 2 - 1
3 of 17
January 2013
© Diodes Incorporated
PAM2309
A Product Line of
Diodes Incorporated
Absolute Maximum Ratings
(@T
A
= +25°C, unless otherwise specified.)
These are stress ratings only and functional operation is not implied. Exposure to absolute maximum ratings for prolonged time periods may
affect device reliability. All voltages are with respect to ground.
Parameter Rating
Unit
Input Voltage
-0.3 to +6.0
V
EN, FB Pin Voltage
-0.3 to V
IN
V
SW Voltage
-0.3 to ( V
IN
+0.3)
V
Junction Temperature
150
°C
Storage Temperature Range
-65 to +150
°C
Soldering Temperature
300, 5sec
°C
Recommended Operating Conditions
(@T
A
= +25°C, unless otherwise specified.)
Parameter Rating
Unit
Supply Voltage
2.5 to 5.5
V
Operation Temperature Range
-40 to +85
°C
Junction Temperature Range
-40 to +125
Thermal Information
Parameter
Package
Symbol
Max Unit
Thermal Resistance (Junction to Case)
TSOT25 (Note 1)
θ
JC
130
°C/W
DFN2x2 20
QFN3x3 12
Thermal Resistance (Junction to Ambient)
TSOT25
θ
JA
102
DFN2x2 68
QFN3x3 34
Internal Power Dissipation
TSOT25
P
D
400
mW
DFN2x2 980
QFN3x3 1470
Note:
1. The maximun output current for TSOT25 package is limited by internal power dissipation capacity as described in
Application Information hereinafter.