Application Note 1396
Connections and Test Points The following table describes the function and operation of the evaluation boards. (Continued)
SWITCHES
SW1
SW2
U2
ON/OFF control of Channel-2 dynamic-load generator. Toggle to ON will enable the dynamic load, toggle to OFF
will disable the transient load
ON/OFF control of Channel-1 dynamic-load generator. Toggle to ON will enable the dynamic load, toggle OFF will
disable the transient load
ON: High level for EN1, EN2, LDO3EN and FCCM, respectively
OFF: Low level for EN1, EN2, LDO3EN and FCCM, respectively
Test Set-up
Figure 2 shows a typical test configuration.
+ VOUT2 -
(0.6V~5.5V)
+ 5V -
-
LDO3
(0.6V~5.5V)
+
+
12V
-
+
VIN
(5.5V~25V)
-
PROBE
+ VOUT1 -
(0.6V~5.5V)
FIGURE 2. TYPICAL TEST CONFIGURATION
3
AN1396.0
July 31, 2008