PT8100 Datasheet, PDF (2/14 Pages) Texas Instruments – 40-A 3.3/5-V Input Programmable Integrated Switching Regulator

PT8100 Series
40-A 3.3/5-V Input Programmable
Integrated Switching Regulator
Pin-Out Information (Except PT8104 –see p.3)
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 V_in
15 Vin
16 Vin
17 GND
18 GND
19 GND
20 GND
21 GND
* For STBY pin:
Open =Output Enabled
VID Common =Output Disabled
Pin Function
22 GND
23 Vout
24 V_out
25 Vout
26 Vout
27 Vout
28 Vout
29 Vout
30 V_out
31 Remote Sense
Voltage Programming Information (Except PT8104 –see p.3)
VID 3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
VID 2 VID 1 VID 0
111
110
101
100
011
010
001
000
111
110
101
100
011
010
001
000
PT8101
(VRM 8.4)
VID 4=1
Vout ^(iv)
2.00
2.10
2.30
2.40
2.50
2.60
2.70
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
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
PT8102/8103
(VRM 9.1)
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) The output voltage of the PT8101 must not be set higher than 2.7V.
PT8105
(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
2
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