Texas Instruments TPS62065 specifications Start-up and Shutdown TPS62067, TPS62067Startup

www.ti.com TPS62065/67EVM Test Data

6.3Start-up and Shutdown: TPS62067

Figure 6 and Figure 7 illustrate the typical start-up and shutdown behavior, respectively, for the TPS62067, using the TPS62067EVM.

TPS62067￿Startup

2￿V/div

2￿V/div

1￿A/div

VIN =￿4.2￿V VOUT =￿3.3￿V

2￿V/divLoad￿=￿2R2 PG￿Pull-up￿Resistor￿=￿10￿kΩ

Time￿(100 µs/div)

Conditions: VIN = 4.2 V, VOUT = 3.3 V

Figure 6. TPS62067 Startup into 2.2-Ω Load

TPS62067￿SHUTDOWN

2￿V/div

VIN =￿4.2￿V VOUT =￿3.3￿V Load￿=￿No￿Load PG￿Pull-up￿Resistor￿=￿10￿kΩ

2￿V/div

5￿V/div

Time￿(1￿ms/div)

Conditions: VIN = 4.2 V, VOUT = 3.3 V

Figure 7. TPS62067 Shutdown: No Load

SLVU364 –March 2010	TPS62065/67EVM	9
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