4 

2A 150KHz PWM Buck DC/DC Converter

TD1509

DATASHEET

 

Absolute Maximum Ratings 

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. 

 

Parameter

Symbol

Value

Unit

Input Voltage

-0.3 to 45

V

Feedback Pin Voltage

-0.3 to Vin+0.3

V

ON/OFF Pin Voltage

-0.3 to Vin+0.3

V

Output Pin Voltage

-0.3 to Vin+0.3

V

Power Dissipation

Internally limited

mW

Operating Junction Temperature

150

ºC

Storage Temperature

-65 to 150

ºC

Lead Temperature (Soldering, 10 sec)

260

ºC

ESD (HBM)

2000

V

MSL

Level3

Thermal Resistance-Junction to Ambient

RθJA

85

ºC / W

Thermal Resistance-Junction to Case

RθJC

45

ºC / W

Recommended Operating Conditions 

Parameter 

Symbol

Min.

Max.

Unit

Input Voltage

3.6

45

V

Operating Junction Temperature

-40

125

ºC

Operating Ambient Temperature

-40

85

ºC