Datasheet

4.2.2 Diagram
LOAD1
5.0V@
2A
FAN
V2
See TipandBarrel
Measurementfor
Voutripple
V1
A1
VIN
Oscilloscope
1M
20mV/div
20MHz
Ω, AC
LOAD2
3.3V@
2A
V3
+
_
+
+
_
_
_
+
_
+
_
+
TP4 /
TP19
TP3 /
TP18
MetalGroundBarrel
Probe Tip
TipandBarrelVoutripple
measurement
www.ti.com Test Set UP
Figure 2. TPS55386EVM-363 Recommended Test Set-Up
Figure 3. Output Ripple Measurement – Tip and Barrel using TP3 and TP4 or TP18 and TP19
SLVU273 – September 2008 Using the TPS55386EVM-363 A 12V Input, 5.0V & 3.3V Output, 3A Non-Synchronous Buck Converter 9
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