參數(shù)資料
型號(hào)： L6713ATR
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： 2 A SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, PQFP64
封裝： 10 X 10 MM, TQFP-64
文件頁(yè)數(shù)： 22/64頁(yè)
文件大?。?/td> 801K
代理商： L6713ATR
L6713A
Configuring the device
29/64
Output voltage is programmed through the VID pins: they are inputs of an internal DAC that
is realized by means of a series of resistors providing a partition of the internal voltage
reference. The VID code drives a multiplexer that selects a voltage on a precise point of the
divider. The DAC output is delivered to an amplifier obtaining the voltage reference (i.e. the
set-point of the error amplifier, VREF).
Note:
VID pull-ups / pull-downs, VID voltage thresholds and OUTEN thresholds changes
according to the selected DAC: See Table 5 for details.
Note:
VID pull-ups / pull-downs, VID voltage thresholds and OUTEN thresholds changes
according to the selected DAC: See Table 5 for details.
Table 13.
Intel mode configuration (See Note)
Pin
Function (1)
Typical connection
SS / LTBG /
AMD
It allows programming the soft-start time TSS
and also the LTB Technology gain. See “Soft-
RSSOSC resistor in series to
signal diode vs. SSEND pin.
(LTB gain = 2, default value).
VID_SEL
It allows selecting between VR11 DAC or
VR10.x + 6.25 mV extended DAC.
Static info, no dynamic changes allowed.
Open: VR11 (
short to SGND: VR10.x
(
VID7 to VID0
They allow programming the output voltage
according to Table 7 and Table 8.
Dynamic transitions managed, See “Dynamic
Open: Logic “1” (25
μA pull-up)
Short to SGND: “0”
SSEND /
PGOOD
Soft-start end signal set free after soft-start has
finished. It only indicates soft-start has finished.
Pull-up to anything lower
than 5 V.
Table 14.
AMD mode configuration (See Note)
Pin
Function
Typical connection
SS / LTBG /
AMD
It allows programming AMD 6 BIT DAC.
Short to SGND.
VID_SEL
Not applicable
Need to be shorted to SGND.
VID7 / DVID
Pulled high when performing a D-VID transition.
The pin is kept high with a 32 clock cycles delay.
Not applicable
VID6
Not applicable
Need to be shorted to SGND.
VID5 to VID0
They allow programming the output voltage
according to Table 10.
Dynamic transitions managed, See “Dynamic
Open: “0” (12.5
μA pull-down)
Pull-up to V > 1.4 V: “1”
SSEND /
PGOOD
Power good signal set free after soft-start has
finished whenever the output voltage is within
limits.
Pull-up to anything lower
than 5 V.
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