Function Block

Figure 3 Function Block Diagram of FAC1591

Absolute Maximum Ratings

Parameter

Symbol

Value

Unit

Input Voltage

-0.3 to 32

V

Feedback Pin Voltage

-0.3 to Vin

V

Enable Pin Voltage

-0.3 to 12

V

Switch Pin Voltage

-0.3 to Vin

V

Power Dissipation

Internally limited

mW

Operating Junction Temperature

150

ºC

Storage Temperature

-65 to 150

ºC

Lead Temperature (Soldering, 10 sec)

260

ºC

V

0

0

0

2

)

M

B

H

(

D

S

E

Thermal Resistance-Junction to Ambient

RθJA

85

ºC / W

Thermal Resistance-Junction to Case

RθJC

45

ºC / W

Note1: Stresses greater than those listed under Maximum Ratings may cause permanent damage

to the device. This is a stress rating only and functional operation of the device at these or any

other conditions above those indicated in the operation is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect reliability.

2008.01. 28

3/12

Revision No : 0

FAC1591