參數(shù)資料
型號: LTC1705
廠商: Linear Technology Corporation
英文描述: Dual 550kHz Synchronous Switching Regulator Controller with 5-Bit VID and 150mA LDO
中文描述: 雙550kHz的同步開關(guān),5位VID和150mA LDO穩(wěn)壓器控制器
文件頁數(shù): 10/28頁
文件大?。?/td> 326K
代理商: LTC1705
LTC1705
10
Table 1. VID Inputs and Corresponding Core Output Voltages
CODE
VID4
VID3
VID2
00000
Gnd
Gnd
Gnd
00001
Gnd
Gnd
Gnd
00010
Gnd
Gnd
Gnd
00011
Gnd
Gnd
Gnd
00100
Gnd
Gnd
Float
00101
Gnd
Gnd
Float
00110
Gnd
Gnd
Float
00111
Gnd
Gnd
Float
01000
Gnd
Float
Gnd
01001
Gnd
Float
Gnd
01010
Gnd
Float
Gnd
01011
Gnd
Float
Gnd
01100
Gnd
Float
Float
01101
Gnd
Float
Float
01110
Gnd
Float
Float
01111
*
Gnd
Float
Float
VID1
Gnd
Gnd
Float
Float
Gnd
Gnd
Float
Float
Gnd
Gnd
Float
Float
Gnd
Gnd
Float
Float
VID0
Gnd
Float
Gnd
Float
Gnd
Float
Gnd
Float
Gnd
Float
Gnd
Float
Gnd
Float
Gnd
Float
V
OUTC
2.00V
1.95V
1.90V
1.85V
1.80V
1.75V
1.70V
1.65V
1.60V
1.55V
1.50V
1.45V
1.40V
1.35V
1.30V
1.25V
VID PROGRA
IU
W
W
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
*
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Float
Float
Float
Float
Float
Float
Float
Float
Gnd
Gnd
Gnd
Gnd
Float
Float
Float
Float
Gnd
Gnd
Gnd
Gnd
Float
Float
Float
Float
Gnd
Gnd
Float
Float
Gnd
Gnd
Float
Float
Gnd
Gnd
Float
Float
Gnd
Gnd
Float
Float
Gnd
Float
Gnd
Float
Gnd
Float
Gnd
Float
Gnd
Float
Gnd
Float
Gnd
Float
Gnd
Float
1.275V
1.250V
1.225V
1.200V
1.175V
1.150V
1.125V
1.100V
1.075V
1.050V
1.025V
1.000V
0.975V
0.950V
0.925V
0.900V
*01111 and 11111 are defined by Intel to signify “no CPU.” The LTC1705
generates the output voltages shown if these codes are selected.
CODE
VID4
VID3
VID2
VID1
VID0
V
OUTC
BGC
I
MAXC
COMPC
FBC
SENSEC
V
FBC
V
CC
PV
CC
LTC1705
SWC
PGND
GND
SWIO
V
INCLK
BOOSTC
TGC
1705 TC
VIDO:4
RUN/SS
RUN/SS
BGIO
I
MAXIO
COMPIO
FBIO
PGOOD
V
OUTCLK
V
FBIO
V
OUTCLK
BOOSTIO
TGIO
I
VINCLK
I
BOOSTIO
I
BOOSTC
I
PVCC
I
VCC
5V
2k
2k
0.1
μ
F
100
μ
F
+
10
μ
F
+
1000pF
1000pF
2000pF
2000pF
f
OSCIO
f
OSCC
Test Circuit 1
TEST CIRCUIT
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