TPS2231_07 Datasheet, PDF (15/35 Pages) Texas Instruments – ExpressCard TM POWER INTERFACE SWITCH

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OUTPUT VOLTAGE WHEN CARD IS INSERTED
vs
TIME
V_I(CPxx)
2 V/div
TPS2231
TPS2236
SLVS536E – JULY 2004 – REVISED SEPTEMBER 2006
RCLKEN AND PERST VOLTAGE DURING POWER UP
vs
TIME
V_O(3.3VOUT)
2 V/div
V_O(3.3VOUT)
2 V/div
V_O(1.5VOUT)
2 V/div
V_O(RCLKEN)
2 V/div
V_O(AUXOUT)
2 V/div
t − Time − 1 ms/div
Figure 2.
RCLKEN AND PERST VOLTAGE DURING POWER DOWN
vs
TIME
V_O(PERST)
2 V/div
t − Time − 5 ms/div
Figure 3.
PERST ASSERTED BY SYSRST WHEN POWER IS ON
vs
TIME
V_O(AUXOUT)
2 V/div
V_I(SYSRST)
2 V/div
V_O(RCLKEN)
2 V/div
V_O(PERST)
2 V/div
t − Time − 1 ms/div
Figure 4.
V_O(PERST)
2 V/div
t − Time − 500 ns/div
Figure 5.
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