參數(shù)資料
型號(hào): TPS2231RGP
廠商: Texas Instruments, Inc.
英文描述: ExpressCard TM POWER INTERFACE SWITCH
中文描述: 商標(biāo)的ExpressCard電源接口開(kāi)關(guān)
文件頁(yè)數(shù): 21/35頁(yè)
文件大?。?/td> 1352K
代理商: TPS2231RGP
www.ti.com
SYSRST
CPxx
RCLKEN
PERST
REFCLK
(Either Tri-Stated or Off)
Host Power
(AUXIN)
Host Power
(3.3VIN and 1.5VIN)
Card Power
(AUXIN, 3.3VOUT,
and 1.5VOUT)
Note: Once 3.3 V and 1.5 V are applied, the power switch follows the power-up sequence of Figure 18 or Figure 19.
SYSRST
CPxx
RCLKEN
REFCLK
Host Power
(AUXIN, 3.3VIN, and 1.5VIN)
Card Power
(AUXOUT, 3.3VOUT, and 1.5VOUT)
PERST
c
d
e
a
a
Tpd
a
b
c
d
e
Min
Max
500
Units
ns
500
System Dependent
System Dependent
Load Dependent
ns
TPS2231
TPS2236
SLVS536E–JULY 2004–REVISED SEPTEMBER 2006
APPLICATION INFORMATION (continued)
Figure 20. Timing Signals - Host System In Standby Prior to Card Insertion
Figure 21. Timing Signals - Host-Controlled Power Down
21
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