參數(shù)資料
型號: LX1670
廠商: Microsemi Corporation
英文描述: 5 - BIT PROGRAMMABLE VOTAGE REFERENCE
中文描述: 5 -位可編程VOTAGE參考
文件頁數(shù): 5/7頁
文件大?。?/td> 192K
代理商: LX1670
5-B
I T
P
R O G R A M M A B L E
V
OLTAGE
R
EFERENCE
LX1670
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
5
Copyright 1997
Rev. 1.0 7/97
P
R O D U C T I O N
D
A T A
S
H E E T
B L O C K D I A G R A M
VIDO
V
SENSE
P
GOOD
OV
OUT
ENABLE
BLKEN
GND
D0
D1
D2
D3
D4
D4B
V
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Output reference voltage used by PWM controller to set system voltage.
Connected directly to system output voltage.
Open collector output pulls low when the processor's supply is not good.
SCR Driver goes high when processor supply is over voltage.
TTL compatible chip enable. Internally pulled high.
Enables or disables blocking of codes with voltage blow 1.8V for CPU protection. Internally pulled high.
Analog ground return.
LSB DAC logic control. Internally pulled high.
2nd LSB DAC logic control. Internally pulled high.
3rd LSB DAC logic control. Internally pulled high.
MSB DAC logic control. Internally pulled high.
Scales VIDO output when low. Internally pulled high.
Inverting output of D4.
Analog power supply.
Pin Name
Pin #
Description
F U N C T I O N A L P I N D E S C R I P T I O N
4.67/4.47V
10.6/10.1V
14
6
5
V
CC
BLKEN
4
V
CC
0.87 * VS
0.935 * VS
0.93 * VE
3
2
ENABLE
OV
OUT
P
GOOD
V
SENSE
1
VIDO
VS
VE
2V REF
2X1
MUX
OUT
S
1
0
12
13
7
11
10
GND
D4B
D4
D3
D2
9
D1
8
D0
DAC
BLOCK
< 1.8V
相關(guān)PDF資料
PDF描述
LX1670CD 5 - BIT PROGRAMMABLE VOTAGE REFERENCE
LX1670CDT VID CONTROLLER
LX1681 VOLTAGE - MODE PWM CONTROLLERS
LX1681CDM VOLTAGE - MODE PWM CONTROLLERS
LX1682 VOLTAGE - MODE PWM CONTROLLERS
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