PAM2305D
1A Step-Down DC-DC Converter
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 6.0V Junction Temperature................................150°C
EN, FB Pin Voltage.............................-0.3V to VIN Storage Temperature Range........-65°C to 150°C
SW Pi n Voltage.....................-0.3V to (VIN+0.3V)
Soldering Temperature......................300°C,5sec
Recommended Operating Conditions
Supply Voltage................................2.5V to 5.5V
Operation Temperature Range.........-40°C to 85°C
Junction Temperature Range........-40 °C to 125 °C
Thermal Information
Parameter
Package
SOT23-5Note
Symbol
Maximum
Unit
130
Thermal Resistance
(Junction to Case)
θJC
DFN 2x2-6
25
14
QFN 3x3-16
°C/W
SOT23-5
DFN 2x2-6
QFN 3x3-16
SOT23-5
250
68
Thermal Resistance
(Junction to Ambient)
θJA
35
400
980
1470
Internal Power Dissipation
DFN 2x2-6
QFN 3x3-16
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
02/2012 Rev1.1
3
PAM [ POWER ANALOG MICOELECTRONICS ]
