Datasheet

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4.2.2 Diagrams
LOAD1
1.8V @
10A
-
+
FAN
TP20
TEXAS INSTRUMENTS
TPS40192EVM-001
12V to 1.8V @ 10A
HPA198
J2
V2
-
+
TP16
TP15
Pre-Bias
See Tip and Barrel
Measurement for
Vout ripple
+
-
-
+
V1
+
-
A1
-
+
V
VIN
TP7 TP9 TP10 TP8
TP12 TP11 TP13 TP14
GND LDRVSW HDRV
CH1 GND CH2 GND
TP2
TP1
Oscilloscope
1M!, AC
20mV / div
20MHz
J1
TP4 TP3
Disable
TP6
COMP
TP19
TP18
TP17
External Source
GND
PGOOD
TP16TP15
MetalGroundBarrel
Probe Tip
TipandBarrelVoutripple
measurement
Test Setup
Figure 1. TPS40192EVM-001 Recommended Test Setup
Figure 2. Output Ripple Measurement – Tip and Barrel Using TP9 and TP10
SLVU194 – January 2007 Using the TPS40192EVM-001, A 12-V Input, 1.8-V Output, 10-A Synchronous Buck Converter 9
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