
TPS1120, TPS1120Y
DUAL P-CHANNEL ENHANCEMENT-MODE MOSFETS
SLVS080A – MARCH 1994 – REVISED AUGUST 1995
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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