Datasheet

LTC3883/LTC3883-1
50
3883fa
For more information www.linear.com/LTC3883
APPLICATIONS INFORMATION
Table 12. VOUT_CFG
R
TOP
(k) R
BOTTOM
(k) V
OUT
(V)
0 or Open Open NVM
10 23.2 See VTRIM
10 15.8 3.3
16.2 20.5 3.1
16.2 17.4 2.9
20 17.8 2.7
20 15 2.5
20 12.7 2.3
20 11 2.1
24.9 11.3 1.9
24.9 9.09 1.7
24.9 7.32 1.5
24.9 5.76 1.3
24.9 4.32 1.1
30.1 3.57 0.9
30.1 1.96 0.7
Open 0 0.5
Table 13. VTRIM_CFG
R
TOP
(k) R
BOTTOM
(k)
V
TRIM
(mV)
CHANGE TO
V
SET
VOLTAGE
V
OUT
(V)
IF V
OUT
HAS
10k/23.3k
0 or Open Open 0
10 23.2 99
10 15.8 86.625
16.2 20.5 74.25
16.2 17.4 61.875
20 17.8 49.5
20 15 37.125 5.5
20 12.7 24.75 5.25
20 11 12.375 5
24.9 11.3 –12.375 4.75
24.9 9.09 –24.75 4.5
24.9 7.32 –37.125 4.25
24.9 5.76 –49.5 4
24.9 4.32 –61.875 3.75
30.1 3.57 –74.25 3.63
30.1 1.96 –86.625 3.5
Open 0 –99 3.46
Table 14. FREQ_CFG (Phase Based on Falling Edge of SYNC)
R
TOP
(k) R
BOTTOM
(k) FREQUENCY (kHz) θ
SYNC
TO θ
0
DESCRIPTION
0 or Open Open NVM NVM NVM
10 23.2 250 0 2-Phase
10 15.8 250 120 3-Phase
16.2 20.5 250 180 2-Phase
16.2 17.4 425 0 2-Phase
20 17.8 425 120 3-Phase
20 15 425 180 2-Phase
20 12.7 500 0 2-Phase
24.9 11.3 500 180 2-Phase
24.9 9.09 575 0 2-Phase
24.9 7.32 575 120 3-Phase
24.9 5.76 575 180 2-Phase
24.9 4.32 650 0 2-Phase
30.1 3.57 650 120 3-Phase
30.1 1.96 650 180 2-Phase
Open 0 External Clock 0 2-Phase