參數(shù)資料
型號(hào)： LP3971SQ-A514
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 電源管理
英文描述： POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS
中文描述： 3-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC40
封裝： 5 X 5 MM, LLP-40
文件頁(yè)數(shù)： 32/42頁(yè)
文件大?。?/td> 1350K
代理商： LP3971SQ-A514
I
2
C Register Definitions
(Continued)
VCC_LDO5 VOLTAGE CONTROL REGISTER (L5VCR) 8h’3B
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
Reserved
LDO 5 Output Voltage (L5OV)
0
0
0
0
0
0
1
0
VCC_LDO5 VOLTAGE CONTROL REGISTER (L5VCR) 8h’3B DEFINITIONS
Bit
7:5
Access
...
Name
...
Description
Reserved
Data Code
4h’0
4h’1
4h’2
4h’3
4h’4
4h’5
4h’6
4h’7
4h’8
4h’9
4h’A
4h’B
4h’C
4h’D
4h’E
4h’F
Output Voltage
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
1.50
1.80
1.90
2.50
2.80
3.00
3.30
4:0
R/W
B1OV
Serial interface register selection codes (Bold face voltages are default values).
Register Programming Examples
Example 1. Setting register 8h’12 value to 8h’3E’ will enable LDOs 1–5.
Example 2. Setting register 8h’39 to 8h’CC’ will set LDOs 1 and 2 to 3.0V. These voltages will appear at the LDO outputs if the
corresponding LDO has been enabled. Programming a voltage value to a LDO, which is off, will affect the LDO output voltage
after the LDO is enabled. Enabling and programming the output voltage are separate operations.
L
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相關(guān)PDF資料
PDF描述
LP3971SQ-B410 POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS
LP3971SQX-A514 POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS
LP3971SQX-B410 POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS
LP3994 50mA CMOS Voltage Regulator with Enable Control
LP3994LD-1.5 50mA CMOS Voltage Regulator with Enable Control
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