3 start-up and shutdown: tps62067 – Texas Instruments TPS62065 User Manual
Page 9
2 V/div
2 V/div
2 V/div
1 A/div
Time (100 s/div)
m
V
= 4.2 V
V
= 3.3 V
IN
OUT
Load = 2R2
PG Pull-up Resistor = 10 kW
TPS62067 Startup
Time (1 ms/div)
5 V/div
2 V/div
2 V/div
V
= 4.2 V
V
= 3.3 V
Load = No Load
PG Pull-up Resistor = 10 kW
IN
OUT
TPS62067 Shutdown
www.ti.com
TPS62065/67EVM Test Data
6.3
Start-up and Shutdown: TPS62067
and
illustrate the typical start-up and shutdown behavior, respectively, for the
TPS62067, using the TPS62067EVM.
Conditions: VIN = 4.2 V, V
OUT
= 3.3 V
Figure 6. TPS62067 Startup into 2.2-
Ω
Load
Conditions: VIN = 4.2 V, V
OUT
= 3.3 V
Figure 7. TPS62067 Shutdown: No Load
9
SLVU364 – March 2010
TPS62065/67EVM
Copyright © 2010, Texas Instruments Incorporated