Test Summary
8
SLUUBG8B – June 2016 – Revised November 2018
Copyright © 2016–2018, Texas Instruments Incorporated
Using the UCC21520EVM-286, UCC20520EVM-286, UCC21521CEVM-286,
and UCC21530EVM-286
5.3.2
Digital Multi-Meter Settings
•
Digital multi-meter #1
–
DC current measurement, auto-range.
•
Digital multi-meter #2
–
DC current measurement, auto-range.
5.3.3
Two-Channel Function Generator Settings
Table 4. Two-Channel Function Generator Settings
MODE
FREQUENCY
DUTY
DELAY
HIGH
LOW
OUTPUT
IMPEDANCE
Channel A
Pulse
DC ~ 5 MHz
50%
0 ns
3.3 V
0 V
High Z
Channel B
100 ns
5.3.4
Oscilloscope Setting
Table 5. Oscilloscope Settings
BANDWIDTH
COUPLING
TERMINATION
SCALE SETTINGS
INVERTING
Channel A
500 MHz or above
DC
1 M
Ω
or automatic
10× or automatic
OFF
Channel B
5.3.5
Jumper (Shunt) Settings
There are two jumpers (shunts) need to be installed before test:
1. Install shunt #1 for header
J-DIS
on pin 2-3 for the UCC21520EVM shown in
. For the
UCC20520EVM, UCC21521CEVM and the UCC21530EVM, refer to
. The UCC20520EVM is
set as disable high on the DIS pin while the UCC21521CEM and UCC21530EVM is set as enable high
on the EN pin.
2. Install shunt #2 on header
J-DT
on pin 1-2 as shown in
.
Figure 1. Jumpers Installation Position