PAM2305
1A Step-Down DC-DC Converters
Absolute Maximum Ratings
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.
Input Voltage..................................-0.3V to 6.6V
EN, FB Pin Voltage.............................-0.3V to VIN
SW Pi n Voltage......................-0.3V to (VIN+0.3V)
Junction Temperature................................125°C
Storage Temperature Range........-65°C to 150°C
Soldering Temperature......................300°C,5sec
Recommended Operating Conditions
Supply Voltage................................2.5V to 5.5V
Max. Supply Voltage (for Max. duration of
30 minutes)................................................6.0V
Ambient Temperature Range..........-40°C to 85°C
Thermal Information
Parameter
Package
SOT23-5Note
DFN 2x2
QFN 3x3
SOT23-5
DFN 2x2
QFN 3x3
SOT23-5
DFN 2x2
QFN 3x3
Symbol
Maximum
130
20
Unit
Thermal Resistance
(Junction to Case)
θJC
12
°C/W
102
68
Thermal Resistance
(Junction to Ambient)
θJA
34
400
980
1470
Internal Power Dissipation
PD
mW
Note:
The maximun output current for SOT23-5 package is limited by internal power dissipation capacity as
described in Application Information hereinafter.
Power Analog Microelectronics,Inc
www.poweranalog.com
09/2008 Rev 1.2
3
PAM [ POWER ANALOG MICOELECTRONICS ]
