PT8120 Datasheet, PDF(2/11 Page) Texas Instruments – 30-A 12-V Input Programmable Integrated Switching Regulator

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PT8120 Datasheet, PDF (2/11 Pages) Texas Instruments – 30-A 12-V Input Programmable Integrated Switching Regulator

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PT8120 Series

30-A 12-V Input Programmable

Integrated Switching Regulator

Pin-Out Information (Except PT8124 â )

Pin Function

1 VID 0

2 VID 1

3 VID 2

4 VID 3

5 VID 4

6 STBY *

7 Do Not Connect

8 Do Not Connect

9 Do Not Connect

10 Do Not Connect

11 VID Common

Pin Function

12 Vin

13 Vin

14 Vin

15 Vin

16 Vin

17 GND

18 GND

19 GND

20 GND

21 GND

* For STBY pin:

Open =Output Enabled

Ground =Output Disabled

â See page 4 for PT8124 pin-out

Pin Function

22 GND

23 Vout

24 Vout

25 Vout

26 Vout

27 Vout

28 Vout

29 Vout

30 Vout

31 Remote Sense

Output Voltage Programming Information (Except PT8124)

VID 3

VID 2 VID 1 VID 0

111

110

101

100

011

010

001

000

111

110

101

100

011

010

001

000

PT8121

(VRM 8.3/8.4)

VID 4=1

Vout

2.00V

2.10V

2.20V

2.30V

2.40V

2.50V

2.60V

2.70V

2.80V

2.90V

3.00V

3.10V

3.20V

3.30V

3.40V

3.50V

VID 4=0

Vout

1.30V

1.35V

1.40V

1.45V

1.50V

1.55V

1.60V

1.65V

1.70V

1.75V

1.80V

1.85V

1.90V

1.95V

2.00V

2.05V

PT8122

(VRM 9.0)

VID 4=1

Vout

1.075V

1.100V

1.125V

1.150V

1.175V

1.200V

1.225V

1.250V

1.275V

1.300V

1.325V

1.350V

1.375V

1.400V

1.425V

1.450V

VID 4=0

Vout

1.475V

1.500V

1.525V

1.550V

1.575V

1.600V

1.625V

1.650V

1.675V

1.700V

1.725V

1.750V

1.775V

1.800V

1.825V

1.850V

Notes:

i) Logic 0 = Connect to VID Common

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

iii) VID3 and VID4 may not be changed while the unit is operating.

iv) See page 4 for PT8124 (VRM 8.5) programming information.

PT8123

(Custom Code)

VID 4=1

Vout

0.800V

0.825V

0.850V

0.875V

0.900V

0.925V

0.950V

0.975V

1.000V

1.025V

1.050V

1.075V

1.100V

1.125V

1.150V

1.175V

VID 4=0

Vout

1.200V

1.225V

1.250V

1.275V

1.300V

1.325V

1.350V

1.375V

1.400V

1.425V

1.450V

1.475V

1.500V

1.525V

1.550V

1.575V

PT8125

(Custom Code)

VID 4=1

Vout

4.5V

4.6V

4.7V

4.8V

4.9V

5.0V

5.1V

5.2V

5.3V

5.4V

5.5V

5.6V

5.7V

5.8V

5.9V

6.0V

VID 4=0

Vout

6.1V

6.2V

6.3V

6.4V

6.5V

6.6V

6.7V

6.8V

6.9V

7.0V

7.1V

7.2V

7.3V

7.4V

7.5V

7.6V

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

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