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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)： | 29/42頁 |
| 文件大?。?/td> | 1350K |
| 代理商： | LP3971 |
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2
C Register Definitions
(Continued)
BUCK 3 VOLTAGE RAMP CONTROL REGISTER (B3RC) 8h’34
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
Reserved
Ramp Rate
0
0
0
0
1
0
1
0
BUCK 2 VOLTAGE RAMP CONTROL REGISTER (B2RC) 8h’34 DEFINITIONS
Bit
7:5
4:0
Access
...
R/W
Name
...
B2RS
Description
Reserved
DVM Ramp Speed
Data Code
Ramp Rate
(mV/μs)
Instant
1
2
3
4
5
6
7
8
9
10
4h’0
4h’1
4h’2
4h’3
4h’4
4h’5
4h’6
4h’7
4h’8
4h’9
4h’A
BUCK FUNCTION REGISTER (BFR) 8h’38
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
Reserved
0
SHBU
0
BK_SLOMOD
1
BK_SSEN
0
0
0
0
0
BUCK FUNCTION REGISTER (BFR) 8h’38 DEFINITIONS
Bit
7:3
Access
...
Name
...
SHBU
Description
Reserved
Shut down Back up battery to prevent battery drain during shipping
0 = Back up Battery Enabled
1 = Back up Battery Disabled
Buck Spread Spectrum Modulation Buck 1–3
0 = 10 kHz triangular wave spread spectrum modulation
1 = 2 kHz triangular wave spread spectrum modulation
Spread spectrum function Buck 1–3
0 = SS Output Disabled
1 = SS Output Enabled
1
R
BK_SLOMOD
0
R
BK_SSEN
L
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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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