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5 control loop bode diagrams: tps62065, Figure 11 – Texas Instruments TPS62065 User Manual

Page 11

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TPS62065/67EVM Test Data

6.5

Control Loop Bode Diagrams: TPS62065

Figure 10

and

Figure 11

illustrate typical TPS62065 gain and phase performance versus frequency at VIN

= 3.6 V and 5.0 V, respectively, using the TPS62025EVM.

Conditions: VIN = 3.6 V, VOUT = 1.8 V, I

OUT

= 1.6 A; bandwidth: 224 kHz, phase margin: 59°

Figure 10. TPS62065 Gain and Phase vs Frequency

Conditions: VIN = 5.0 V, VOUT = 1.8 V, I

OUT

= 1.6 A; bandwidth: 271 kHz, phase margin: 54°

Figure 11. TPS62065 Gain and Phase vs Frequency

11

SLVU364 – March 2010

TPS62065/67EVM

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