參數(shù)資料
型號: TPS2231MRGP-1R
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
封裝: PLASTIC, QFN-20
文件頁數(shù): 14/38頁
文件大?。?/td> 1559K
代理商: TPS2231MRGP-1R
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
Tpd
Min
Max
Units
a
b
500
c
d
e
500
ns
System Dependent
ns
Load Dependent
SLVS536I – JULY 2004 – REVISED NOVEMBER 2007
Figure 20. Timing Signals - Host System In Standby Prior to Card Insertion
Figure 21. Timing Signals - Host-Controlled Power Down
Copyright 2004–2007, Texas Instruments Incorporated
21
Product Folder Link(s): TPS2231 TPS2236
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