參數(shù)資料
型號(hào): LP3972SQXA514
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
封裝: 5 X 5 MM, LLP-40
文件頁(yè)數(shù): 25/60頁(yè)
文件大?。?/td> 1171K
代理商: LP3972SQXA514
V
CC_COMM TARGET VOLTAGE 1 DUMMY REGISTER (CDTV1)
V
CC_COMM Target Voltage 1 Dummy Register (CDTV1) 8h’26 Write Only
Bit
7
6
5
4
3
2
1
0
Designation
Reserved
Output Voltage
Reset Value
0
Note:
CDTV1 must be writable by an I2C controller. This is a dummy register
V
CC_COMM TARGET VOLTAGE 2 DUMMY REGISTER (CDTV2)
V
CC_COMM Target Voltage 2 Dummy Register (CDTV2) 8h’27 Write Only
Bit
7
6
5
4
3
2
1
0
Designation
Reserved
Output Voltage
Reset Value
0
Note:
CDTV2 must be writable by an I2C controller. This is a dummy register and can not be read.
This is a variable voltage supply to the internal SRAM of the Application processor.
LDO5 (V
CC_SRAM) TARGET VOLTAGE 1 REGISTER
LDO5 (V
CC_SRAM) Target Voltage 1 Register (SDTV1) 8H'29
Bit
7
6
5
4**
3**
2**
1**
0**
Designation
Reserved
LDO 5 Output Voltage (L5OV)
Reset Value
0
1
0
1
Note:
** denotes one time factory programmable EPROM registers for default values
LDO5 (V
CC_SRAM) Target Voltage 1 Register (SDTV1) 8h’29 Definitions
Bit
Access
Name
Description
7:5
Reserved
4:0
R/W
B1OV
Data Code
5h’0
5h’1
5h’2
5h’3
5h’4
5h’5
5h’6
5h’7
5h’8
5h’9
5h’A
5h’B
5h’C
5h’D
5h’E
5h’F
Output Voltage
0.850
0.875
0.900
0.925
0.950
0.975
1.000
1.025
1.050
1.075
1.100
Data Code
5h’10
5h’11
5h’12
5h’13
5h’14
5h’15
5h’16
5h’17
5h’18
5h’19
5h’1A
5h’1B
5h’1C
5h’1D
5h’1E
5h’1F
Output Voltage
1.125
1.150
1.175
1.200
1.225
1.250
1.275
1.300
1.325
1.350
1.375
1.400
1.425
1.450
1.475
1.500
31
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LP3972
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