參數(shù)資料
型號: PM6652TR
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, QCC32
封裝: 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32
文件頁數(shù): 28/53頁
文件大?。?/td> 2519K
代理商: PM6652TR
Device description
PM6652
34/53
Doc ID 16867 Rev 3
In CPU and VR11 mode the soft-start programmed voltage is VBOOT; the output voltage
will be driven to the VIDs programmed voltage value only after Tboot delay. When the VR11
mode is selected the CLKEN# signal is not used as output but only as input pin. Refer to
Mode selection section for details.
and Figure 7 on page 20 show the different turn-on behavior for GFX mode and
CPU/VR11 mode.
When the COREON control pin is pulled-down or the shut-down VIDs sequence is selected,
VID[0,...,6]=[1111111], the turn-off sequence is performed. In order to avoid the output
voltage to go under ground, the output capacitor is discharged through a dedicated 7
Ω
(typ.) internal discharge MOSFET, connected between VOUT and SGND pins. When VOUT
voltage is lower than 100 mV the low-side external MOSFET is turned-on. SeeFigure 18 on
and Figure 19 on page 22 for the soft-end waveforms details.
Figure 36.
VDAC soft-start voltage slew-rate vs capacitor value
Figure 34.
IMVP6.5 GFX mode start-up
Figure 35.
IMPV6.5 CPU mode start-up
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