TYPICAL

CHARACTERISTICS

For technical support and more information, see inside back cover or visit www.ti.com/powertrends

Ordering Information

PT7772

❏

❏

❏

❏

❏ = 1.3 to 2.05 Volts

Programming Information

VID3 VID2 VID1 VID0

Vout

1

1

1

1

1.30V

1

1

1

0

1.35V

1

1

0

1

1.40V

1

1

0

0

1.45V

1

0

1

1

1.50V

1

0

1

0

1.55V

1

0

0

1

1.60V

1

0

0

0

1.65V

0

1

1

1

1.70V

0

1

1

0

1.75V

0

1

0

1

1.80V

0

1

0

0

1.85V

0

0

1

1

1.90V

0

0

1

0

1.95V

0

0

0

1

2.00V

0

0

0

0

2.05V

Logic 0 = Pin 12 potential (remote sense gnd)

Logic 1 = Open circuit (no pull-up resistors)

VID3 may not be changed while the unit is operating.

For dimensions and PC board layout, see

Package Style 1020 and 1030

Features

1.3V to 2.05V@32A

32A “Current Booster”

Package Style N, Vout=+1.8V

Output Current (A)

Output Current (A)

Output Current (A)

Output Current (A)

Output Current (A)

Airflow

Power Dissipation vs Output Current

Output Ripple vs Output Current

Case/Pin

Configuration

Vertical Through-Hole

N

Horizontal Through-Hole

A

Horizontal Surface Mount

C

20

30

40

50

60

70

80

90

0

4

8

1216

202428

32

Nat. Conv

60 LFM

120 LFM

200 LFM

Efficiency vs Output Current

Safe Operating Area, V

(See Note B)

Characteristic Data, V

IN

Note A: All data listed in the above graphs has been developed from actual products tested at 25°C. This data is considered typical for the ISR.

Note B: SOA curves represent operating conditions at which internal components are at or below manufacturer’s maximum rated operating temperatures.

PT7772—3.3V

32 Amp “Sledge Hammer”

Programmable ISR

40

50

60

70

80

90

0

5

10

15

20

25

30

Output Current (A)

1.8V

1.5V

0

10

20

30

40

0

5

10

15

20

25

30

Output Current (A)

1.5V

1.8V

0

5

10

15

20

0

5

10

15

20

25

30

Output Current (A)

1.5V

1.8V