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

.

.

.

Recommended Operating Conditions

Thermal Information

,

Power Analog Microelectronics Inc

4

www.poweranalog.com

VIN,ENA.....................................-0.3V To +30V

SW ,LED.....................................-0.3V To +40V

Vcc-5V,Vcc-driver,VC....................-0.3V To +6V

PWMD,Fsel,FB,Iset.......................-0.3V To +6V

Operating Temperature...............-40 C to 125 C

Storage Temperature..................-40 C to 150 C

Maximum Junction Temperature...............150 C

Soldering Temperature....................300 C,5sec

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Supply Voltage Range.......................4.8V to 28V

Operation Temperature Range.........-20 C to 85 C

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Parameter

Package

Symbol

Maximum

Unit

Thermal Resistance

(Junction to Case)

4x4mm QFN

θjc

20

°C/W

Thermal Resistance

(Junction to Environment)

4x4mm QFN

θjA

37

°C/W

08/2008 Rev 1.0

PAM2845

40V High Power Boost Convertor

with 6 Channel Constant Current Source