Configurations
8
SLUUBJ6 – November 2016
Copyright © 2016, Texas Instruments Incorporated
Green TPS53355EVM-864 Evaluation Module
6
Configurations
All jumper selections must be made prior to applying power to the EVM. Users can configure this EVM per
the following configurations.
6.1
Switching Frequency Selection
The switching frequency can be set by J5.
Default setting: 500 kHz
Table 2. Switching Frequency Selection
Jumper Set to
Resistor (RF) Connections
(k
Ω
)
Switching Frequency (kHz)
Top (1–2 pin shorted)
0
250
Second (3–4 pin shorted)
187
300
Third (5–6 pin shorted)
619
400
Fourth (7–8 pin shorted)
Open
500
Fifth (9–10 pin shorted)
866
650
Sixth (11–12 pin shorted)
309
750
Seventh (13–14 pin shorted)
124
850
Bottom (15–16 pin shorted)
0
970
6.2
Soft-Start Selection
The soft-start time can be set by J4.
Default setting: 1.4 ms
Table 3. Soft-Start Time Selection
Jumper Set to
R
MODE
Connections (k
Ω
)
Soft-Start Time (ms)
Top (1–2 pin shorted)
39.2
0.7
Second (3–4 pin shorted)
100
1.4
Third (5–6 pin shorted)
200
2.8
Bottom (7–8 pin shorted)
475
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 (7–8 pin shorted)
Forced CCM
