Texas Instruments TPS62065 specifications Output Voltage Ripple Power-Save Mode

TPS62065/67EVM Test Data www.ti.com

6.4Output Voltage Ripple (Power-Save Mode)

Figure 8 and Figure 9 show the typical output voltage ripple for the TPS62065 in PFM and PWM modes, respectively, with the TPS62065EVM.

TYPICAL￿OUTPUT￿VOLTAGE￿RIPPLE￿(PFM￿MODE)

			VIN =￿3.6￿V	IOUT =￿20￿MA	L￿=￿1.2 ∝H
V	OUT	:	VOUT =￿1.8￿V	MODE￿=￿GND	COUT =￿10 ∝F

50￿MV/DIV

SW: 2￿V/DIV

ICOIL:

200￿MA/DIV

TIME￿(4 ∝S/DIV)

Figure 8. TPS62065 Output Voltage Ripple (PFM Mode)

TYPICAL￿OUTPUT￿VOLTAGE￿RIPPLE￿(PWM￿MODE)

VOUT:

50￿MV/DIV

SW: 2￿V/DIV

ICOIL:

500￿MA/DIV

VIN =￿3.6￿V			IOUT =￿500￿MA	L￿=￿1.2 ∝H
V	OUT	=￿1.8￿V	MODE￿=￿GND	COUT =￿10 ∝F

TIME￿(100￿NS/DIV)

Figure 9. TPS62065 Output Voltage Ripple (PWM Mode)

10	TPS62065/67EVM	SLVU364 –March 2010
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