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參數(shù)資料
| 型號(hào)： | LP3971 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| 中文描述： | 電源管理單元提供高級(jí)應(yīng)用處理器 |
| 文件頁數(shù)： | 23/42頁 |
| 文件大?。?/td> | 1350K |
| 代理商： | LP3971 |
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I
2
C Register Definitions
(Continued)
LDO OUTPUT VOLTAGE ENABLE REGISTER (LDOEN) 8h’12
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
L5EC
0
L4EC
0
LDO5_EN
1
LDO4_EN
1
LDO3_EN
1
LDO2_EN
1
LDO1_EN
1
Reserved
0
LDO OUTPUT VOLTAGE ENABLE REGISTER (LDOEN) 8h’12 DEFINITIONS
Bit
7
Access
R/W
Name
L5EC
Description
Connects LDO5 enable to SYS_EN or PWR_EN Logic Control pin
0 = LDO 5 enable connected to PWR_EN
1 = LDO 5 enable connected to SYS_EN
Connects LDO4 enable to SYS_EN or PWR_EN Logic Control pin
0 = LDO 4 enable connected to PWR_EN
1 = LDO 4 enable connected to SYS_EN
LDO_5 Output Voltage Enable
0 = LDO5 Supply Output Disabled
1 = LDO5 Supply Output Enabled
LDO_4 Output Voltage Enable
0 = LDO4 Supply Output Disabled
1 = LDO4 Supply Output Enabled
LDO_3 Output Voltage Enable
0 = LDO3 Supply Output Disabled
1 = LDO3 Supply Output Enabled
LDO_2 Output Voltage Enable
0 = LDO2 Supply Output Disabled
1 = LDO2 Supply Output Enabled
LDO_1 Output Voltage Enable
0 = LDO1 Supply Output Disabled
1 = LDO1 Supply Output Enabled
Reserved
6
R/W
L4EC
5
R/W
LDO5_EN
4
R/W
LDO4_EN
3
R/W
LDO3_EN
2
R/W
LDO2_EN
1
R/W
LDO1_EN
0
...
...
LDO OUTPUT VOLTAGE STATUS REGISTER (LDOVS) 8h’13
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
LDOS_OK
0
N/A
0
LDO5_0K
0
LDO4_OK
0
LDO3_OK
0
LDO2_OK
0
LDO1_OK
0
N/A
0
LDO OUTPUT VOLTAGE STATUS REGISTER (LDOVS) 8h’13 DEFINITIONS
Bit
7
Access
R
Name
LDO_OK
Description
LDO 1–5 Supply Output Voltage Status
0 = (LDO 1–5) output voltage
<
90% of selected value
1 = (LDO 1–5) output voltage
>
90% of selected value
Reserved
LDO_5 Output Voltage Status
0 = (VCC_LDO5) output voltage
<
90% of selected value
1 = (VCC_LDO5) output voltage
>
90% of selected value
LDO_4 Output Voltage Status
0 = (VCC_LDO4) output voltage
<
90% of selected value
1 = (VCC_LDO4) output voltage
>
90% of selected value
LDO_3 Output Voltage Status
0 = (VCC_LDO3) output voltage
<
90% of selected value
1 = (VCC_LDO3) output voltage
>
90% of selected value
6
5
...
R
...
LDO5_OK
4
R
LDO4_OK
3
R
LDO3_OK
L
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PDF描述 |
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| LP3971SQ-A514 | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3971SQ-2G16/NOPB | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| LP3971SQ-7848/NOPB | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| LP3971SQ-8858/NOPB | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| LP3971SQ-A514 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| LP3971SQ-B410 | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
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