Datasheet

5.11 TP1 – Test Point
6 Test Setup and Results
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0 50 100 150 200 250 300
Vin=5V
Vin=3.6V
Vin=1.8V
Time=20ms/div
IL =50mA/div
OUT =5V/div
EN=2V/div
VO=5V/div
www.ti.com Test Setup and Results
This test point can be used to measure the small signal control loop gain and phase with a Venable or
similar gain phase analyzer. The user must replace the 0-ohm resistor in R3 or R4 with a 49.9-100 ohm
resistor before attaching a gain/phase analyzer between the output voltage and TP1.
Figure 2. Efficiency at OUT
Figure 3. Startup with V
IN
= 3.6V and R
LOAD
= 1500 Ω
SLVU327 – October 2009 TPS61093EVM-519 User's Guide 7
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