參數(shù)資料
型號(hào): PM6670TR
廠商: STMICROELECTRONICS
元件分類(lèi): 穩(wěn)壓器
英文描述: 1.4 A SWITCHING CONTROLLER, QCC24
封裝: 4 X 4 MM, LEAD FREE, VFQFN-24
文件頁(yè)數(shù): 31/55頁(yè)
文件大?。?/td> 849K
代理商: PM6670TR
PM6670
Device description
37/53
7.3
S3 and S5 power management pins
According to DDR2/3 memories supply requirements, the PM6670 can manage all S0 to S5
system states by connecting S3-S5 pins to their respective sleep-mode signals in the
notebook's motherboard.
Keeping S3 and S5 high, the S0 (Full-On) state is decoded and the outputs are alive.
In S3 state (S5 = 1, S3 = 0), the PM6670 maintains VDDQ and VTTREF outputs active and
VTT output in high-impedance as needed.
In S4/S5 states (S5 = S3 = 0) all outputs are turned off and, according to DSCG pin voltage,
the proper Soft-End is performed.
Table 11. S3 and S5 Sleep-states decoding
S3
S5
System State
VDDQ
VTTREF
VTT
1
S0 (Full-On)
OnOnOn
0
1
S3 (Suspend-To-RAM)
On
Off (Hi-Z)
0
S4/S5 (Suspend-To-Disk)
Off (Discharge)
相關(guān)PDF資料
PDF描述
PM6670ATR 1.4 A SWITCHING CONTROLLER, QCC24
PM6670 1.4 A SWITCHING CONTROLLER, QCC24
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PM6675AS 3 A SWITCHING CONTROLLER, QCC24
PM6675ATR SWITCHING CONTROLLER, QCC24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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