Configurations
8
SNVU589 – December 2017
Copyright © 2017, Texas Instruments Incorporated
TPS53119EVM-690 User Guide
Table 2. Switching Frequency Selection
JUMPER SET TO
RESISTOR (RF) CONNECTIONS (
Ω
)
SWITCHING FREQUENCY (kHz)
Top(1-2 pin shorted)
0
250
Second (3-4 pin shorted)
187 k
300
Third (5-6 pin shorted)
619 k
400
Fourth (7-8 pin shorted)
Open
500
Fifth (9-10 pin shorted)
866 k
650
Sixth (11-12 pin shorted)
309 k
750
Seventh (13-14 pin shorted)
124 k
850
Bottom (15-16 pin shorted)
0
1000
6.2
Soft-Start Selection
The soft-start time can be set by J2.
Default setting: 0.7 ms
Table 3. Soft-Start Selection
JUMPER SET TO
R
MODE
CONNECTIONS (
Ω
)
SOFT-START TIME (ms)
Top (1-2 pin shorted)
39.2 k
0.7
Second (3-4 pin shorted)
100 k
1.4
Third (5-6 pin shorted)
200 k
2.8
Bottom (7-8 pin shorted)
475 k
5.6
6.3
Mode Selection
The MODE can be set by J6.
Default setting: Auto Skip
Table 4. MODE Selection
Jumper Set to
MODE Selection
Top (1-2 pin shorted)
Auto Skip
Bottom (3-4 pin shorted)
Forced CCM
6.4
Enable Selection
The controller can be enabled and disabled by J3.
Default setting: Jumper shorts on J3 to disable the controller
Table 5. Enable Selection
JUMPER SET TO
ENABLE SELECTION
Jumper shorts on J3
Disable the controller
No Jumper shorts on J3
Enable the controller
