Datasheet

SLUU194 − May 2004
7
Using the TPS51020
4 Test Setup and Results
4.1 Test Setup
The HPA064 has the following input/output connections: 12-V input through J3 (VIN and GND), 5.0-V output
through J1 (VO1 and GND), 3.3-V output through J2 (VO2 and GND). A diagram showing the connection points
is shown in Figure 2. A power supply capable of supplying 6 A should be connected to VIN and GND through
a pair of 16 AWG wires. The 5.0-V and 3.3-V loads should be connected respectively to VO1, GND and VO2,
GND2 through pairs of 16 AWG wires. Wire lengths should be minimized to reduce losses in the wires.
GND
VO1
VIN
GND
HPA064 EVM
VO2
GND
OSCILOSCOPE
CHANNEL1
ELECTRONIC
LOAD1
+
FLUKE 45
I
IN
DC
12 V
8 A
POWER
SUPPLY
ELECTRONIC
LOAD2
+
OSCILOSCOPE
CHANNEL2
Figure 2. TPS51020EVM−001 Schematic