參數(shù)資料
型號: PM6670STR
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 3 A SWITCHING CONTROLLER, QCC24
封裝: 4 X 4 MM, LEAD FREE, VFQFPN-24
文件頁數(shù): 32/54頁
文件大?。?/td> 742K
代理商: PM6670STR
Device description
PM6670S
38/54
Doc ID 14432 Rev 4
7.3
S3 and S5 power management pins
According to DDR2/3 memories supply requirements, the PM6670S can manage all S0 to
S5 system states by connecting S3-S5 pins to their respective sleep-mode signals in the
notebook 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 PM6670S 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)
On
0
1
S3 (suspend-to-RAM)
On
Off (Hi-Z)
0
S4/S5 (suspend-to-Disk)
Off (discharge)
相關PDF資料
PDF描述
PM6670S 3 A SWITCHING CONTROLLER, QCC24
PM6670TR 1.4 A SWITCHING CONTROLLER, QCC24
PM6670ATR 1.4 A SWITCHING CONTROLLER, QCC24
PM6670 1.4 A SWITCHING CONTROLLER, QCC24
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