參數(shù)資料
型號(hào)： L6714TR
廠商： 意法半導(dǎo)體
英文描述： 4 phase controller with embedded drivers for Intel VR10, VR11 and AMD 6Bit CPUs
中文描述： 4英特爾VR10，VR11和AMD的6位嵌入式CPU的司機(jī)相控制器
文件頁(yè)數(shù)： 44/70頁(yè)
文件大?。?/td> 572K
代理商： L6714TR
Soft start
L6714
44/70
Figure 15. Soft-start time for Intel mode.
15.2
AMD mode
Once L6714 receives all the correct supplies and enables, and AMD Mode has been
selected, it initiates the Soft-Start by stepping the reference from zero up to the programmed
VID code (
See Figure 14
); the clock now used to step the reference is the same as the main
oscillator programmed by the OSC pin, SSOSC pin is not applicable in this case. The Soft-
Start time results then (
See Figure 16
):
where T
SS
is the time spent to reach V
SS
and F
SW
is the main switching frequency
programmed by OSC pin. Protections are active during Soft-Start, UVP is enabled after the
reference reaches 0.6V while OVP is always active with the fixed 1.800V threshold (or the
programmed V
OVP
).
0
1
2
3
4
5
6
7
8
1
10
Rssosc [k
Ohms
] vs. SGND
100
1000
S
Time to Vboot
Time to 1.6000V
dV
dT
-----------------
3.125
F
SW
kkHz
[
]
=
T
SS
V
F
SW
kHz
3.125
[
]
-------------------------------------------------
=
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L6717 制造商:STMicroelectronics 功能描述:High-Efficiency Hybrid AM2r2 Controller 48-Pin VFQFPN Tray 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Trays 制造商:STMicroelectronics 功能描述:High EFF Hybrid CTRL I2C Embedded Driver
L6717A 制造商:STMicroelectronics 功能描述:CPU Power Supply Controller Tray 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Trays 制造商:STMicroelectronics 功能描述:High EFF Hybrid CTRL I2C Embedded Driver
L6717ATR 制造商:STMicroelectronics 功能描述:CPU Power Supply Controller T/R 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Tape and Reel 制造商:STMicroelectronics 功能描述:High EFF Hybrid CTRL I2C Embedded Driver
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