参数资料
型号: L6713A
厂商: Holtek Semiconductor Inc.
英文描述: 2/3 Phase controller with embedded drivers for Intel VR10, VR11 and AMD 6 bit CPUs
中文描述: 2 / 3为英特尔VR10,VR11和AMD的嵌入式驱动器相控制器6位CPU
文件页数: 38/64页
文件大小: 515K
代理商: L6713A
L6713A
Soft start
43/64
Protections are active during Soft-Start, UVP is enabled after the reference reaches 0.6V
while OVP is always active with a fixed 1.24V threshold before VBOOT and with the threshold
coming from the VID (or the programmed VOVP) after VBOOT (See red-dashed line in
Figure 15).
Note:
If during T3 the programmed VID selects an output voltage lower than VBOOT, the output
voltage will ramp to the programmed voltage starting from VBOOT.
16.1.1
SS/LTB/AMD connections when using LTB Gain = 2
SS/LTB/AMD pin sets then the Output Voltage dV/dt during Soft-Start according to the
resistor RSSOSC connected vs. SSEND/PGOOD pin through a signal diode(See Figure 16).
Figure 16. SS/LTBG/AMD connections for INTEL mode, when using LTB Gain = 2
where TSS is the time spent to reach the programmed voltage VSS and RSSOSC the resistor
connected between SS/LTBG/AMD and SSEND (through a signal diode) in k
.
SSEND/PGOOD
RSSOSC
SS/LTBG/AMD
RPull-Up
VPull-Up
to SSEND Logic
R
SSOSC k
[]
T
2 s
[] 4.9783 10
2
1.24
V
DIODE V
[]
1.24
-----------------------------------------------
=
T
SS s
[]
1075
s
[]
R
SSOSC k
[]
5.3816
10
2
-------------------------------------
1.24
V
DIODE V
[]
-----------------------------------------------
V
SS
R
SSOSC k
[]
5.3816
10
2
-------------------------------------
1.24
V
DIODE V
[]
-----------------------------------------------
V
BOOT
V
BOOT
V
SS
()
+
[]
+
=
a)
b)
a
) if V
SS
V
BOOT
>
()
b
) if V
SS
V
BOOT
<
()
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