TPS1120, TPS1120Y

DUAL P-CHANNEL ENHANCEMENT-MODE MOSFETS

SLVS080A – MARCH 1994 – REVISED AUGUST 1995

11

POST OFFICE BOX 655303

THERMAL INFORMATION

Figure 16 illustrates the thermally enhanced (SO) lead frame. Attaching the two MOSFET dies directly to the source

terminals allows maximum heat transfer into a power plane.

Lead 8

Lead 7

Lead 6

Lead 5

Lead 1

Lead 2

Lead 3

Lead 4

1GATE

1SOURCE

2GATE

2SOURCE

1DRAIN

1DRAIN

2DRAIN

2DRAIN

MOSFET 2

MOSFET 1

Pad 1

Pad 1

Figure 16. TPS1120 Dual MOSFET SO-8 Lead Frame

APPLICATION INFORMATION

Load

3 V or 5 V

Microcontroller

Figure 17. Notebook Load Management

Microcontroller

Charge

Pump

5 V

–4 V

GaAs FET

Amplifier

Driver

Figure 18. Cellular Phone Output Drive