參數(shù)資料
型號(hào)： L6717
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： DUAL SWITCHING CONTROLLER, 575 kHz SWITCHING FREQ-MAX, QCC48
封裝： 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFPN-48
文件頁(yè)數(shù)： 21/56頁(yè)
文件大?。?/td> 1081K
代理商： L6717
Power manager I2C
L6717
28/56
Doc ID 17326 Rev 1
Table 12.
Power manager I2C command phase and data stream
Command
code [4:6]
Data stream
[1:8]
Description
1CN
[1:2] xx
[3] SIGN
[4:8] OVRSPD
OVERSPEEDING: Adds a positive/negative offset to the regulation
according to the SIGN bit with 50mV LSB and 5bit resolution.
[3] SIGN: 1b for positive offset, 0b for negative offset.
Negative offset is applicable only to CORE section (NB does not react
to negative OS command)
[4:8] OVRSPD: 5bit code (4:MSB to 8:LSB), defines the offset to add
to the programmed reference (VID).
Maximum CORE output voltage reachable is limited to 2.8V.
Maximum NB output voltage reachable is limited by the Maximum NB
Offset: +600mV (over VID)
“CN” bits in command code address CORE section (“C” bit) or NB
section (“N” bit) if set to 1b. Asserting both C and N bits will apply the
command to both CORE and NB section.
See Table 13 for details about OVRSPD codification.
000
[1:4] xxxx
[5:6] OV_NB
[7:8] OV_CORE
OV_SET: Overvoltage threshold setup for CORE and/or NB sections.
Sets the OV threshold above the programmed VID (including
OVRSPD) in with three 200mV steps from + 250mV up to +850mV
(up to 650mV for NB).
[1:4]: ignored
[5:6] OV_NB: NorthBridge OVP. 2bit code, defines the OV threshold
for the NB section above the programmed reference (VID).
[7:8] OV_CORE: Core OVP. 2bit code, defines the OV threshold for
the CORE section above the programmed reference (VID).
Default OV threshold is +250mV above reference for both sections.
See Table 14 for details about OV_SET codification.
001
[1:5] xxxxx
[6:8] FSW
FSW_ADJ: Switching frequency adjustment. Modifies the switching
frequency programmed through OSC pin according to FSW code by
+/- 10% or +/-20%.
[1:5]: ignored
[6:8]: FSW: Switching frequency adjustment. 3 bits code to adjust the
switching frequency with respect programmed voltage.
See Table 15 for details about FSW_ADJ codification.
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L6720 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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