TPPM0304

250-mA LOW-DROPOUT REGULATOR

WITH AUXILIARY POWER MANAGEMENT

SLVS320 – OCTOBER 2000

11

POST OFFICE BOX 655303

THERMAL INFORMATION

25

39

75 89

108

150

1.275

0.71

0.625

0.425

Power Dissipation Derate Curve Using

High-K PCB

Power Dissipation Derate Curve Using

Low-K PCB

Ambient Temperature –

°C

NOTE: These curves are to be used for guideline purposes only. For a particular application, a more specific thermal characterization is required.

Figure 10. Power Dissipation Derating Curves

APPLICATION INFORMATION

8

TPPM0304

1

GND

NC

7

2

5VAUX

3.3VAUX

0.1

µF

4.7

µF

6

3

NC

NC

5

4

5VCC

3.3VOUT

0.1

µF

4.7

µF

0.1

µF

4.7

µF

4.7

µF

Figure 11. Typical Application Schematic