TPPM0111

DUAL LOW-DROPOUT LINEAR REGULATOR

SLVS414 – DECEMBER 2001

5

POST OFFICE BOX 655303

thermal characteristics

PARAMETER

MIN

TYP

MAX

UNIT

R

θJC Thermal impedance, junction-to-case

8

°C/W

R

θJA

Thermal impedance, junction-to-ambient

See Note 7

33

°C/W

NOTE 7: See JEDEC PCB specifications for high-K and correct implementation for 150 LFM air flow.

TYPICAL CHARACTERISTICS

5VCC

Bandgap

Reference

Bandgap Reference

3.3VOUT

–

+

Control

GND

1.5VOUT

–

+

Control

0.1

µF

100

µF

Startup, Interlock,

Overcurrent, and

Thermal Shutdown

Control

Startup, Interlock,

Overcurrent, and

Thermal Shutdown

Control

0.1

µF

100

µF

NOTE: The 100-

µF capacitor has: ESL = 3 nH and ESR = 0.5 Ω to 1 Ω.

Testing circuit includes 100-

µF aluminum capacitors which may be replaced with 10-µF ceramic capacitors. Both capacitors must have

equivalent series inductance ESL < 3 nH and equivalent series resistance ESR < 1

Ω.

Bandgap Reference

Figure 1. Test Circuit