Datasheet

SW
2 V/div
Inductor Current
200 mA/div
Time (200 ns/div)
V
10 mV/div
(AC coupled)
OUT
60
50
40
30
20
10
0
10
20
30
40
50
60
-
-
-
-
-
-
180
150
120
90
60
30
0
30
60
90
120
50
180
-
-
-
-
-
-
1
Gain (dB)
Phase (degrees)
10 k 100 k 1 M
Frequency (Hz)
Gain
Phase
www.ti.com TLV62065EVM Test Data
5.5 Input Voltage Ripple
Figure 11 shows the typical input voltage ripple for the TLV62065EVM at 3.6 V in and 1.6 A load.
Figure 11. TLV62065 Input Voltage Ripple
5.6 Control Loop Bode Diagrams
Figure 12 and Figure 13 illustrate typical TLV62065EVM gain and phase performance versus frequency at
VIN = 3.6 V and 5 V, respectively.
Conditions: VIN = 3.6 V, VOUT = 1.8 V, I
OUT
= 1.6 A; bandwidth: 213 kHz, phase margin: 73°
Figure 12. TLV62065 Gain and Phase vs Frequency
9
SLVU424–December 2010 TLV62065EVM-719
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