參數(shù)資料
型號: PTPS659106A1RSL
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封裝: 6 X 6 MM, 1 MM HEIGHT, GREEN, PLASTIC,VQFN-48
文件頁數(shù): 26/89頁
文件大?。?/td> 941K
代理商: PTPS659106A1RSL
PRODUCTPREVIEW
PWRON
VIO
INT1
1.8 V
NRESPWON
Interrupt acknowledge
PWRHOLD
PWON_IT=1
CLK33KOUT
Interrupt acknowledge
Switch Off
sequence
T
TdbPWRONF
TdSONT
TdbPWRONF
TdONPWHOLD
Switch On sequence
SWCS046-009
PWON_IT=1
dbPWRHOLDF
PWRON
VIO
INT1
NRESPWON
PWRHOLD
PWRON_LP_IT=1
PWRON_IT=1
Switch Off
sequence
TdPWRONLPTO
TdPWRONLP
TdbPWRONF
SWCS046-010
PWRON_IT=1
SWCS046C – MARCH 2010 – REVISED JUNE 2010
www.ti.com
POWER CONTROL TIMING
Figure 4 shows the device state control through PWRON signal.
Figure 4. PWRON Turn-On/Turn-Off
Note: The DEV_ON control bit can be used instead of the PWRHOLD signal to maintain supplies on after the
switch-on sequence.
Figure 5 shows the long-press turn-off timing characteristics.
Figure 5. PWRON Long-Press Turn-Off
Table 6 lists the power control timing characteristics.
32
Copyright 2010, Texas Instruments Incorporated
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