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LP3971 датащи(PDF) 33 Page - Texas Instruments

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номер детали LP3971
подробное описание детали  Power Management Unit for Advanced Application Processors
PDF  52 Pages
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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LP3971 датащи(HTML) 33 Page - Texas Instruments

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LP3971
www.ti.com
SNVS432V – JANUARY 2006 – REVISED MAY 2013
BUCK FUNCTION REGISTER (BFR) 8H'38 DEFINITIONS
Bit
Access
Name
Description
7:3
—
—
Reserved
SHBU
Shut down Back up battery to prevent battery drain during shipping
0 = Back up Battery Enabled
1 = Back up Battery Disabled
1
R
BK_SLOMOD
Buck Spread Spectrum Modulation Buck 1–3
0 = 10 kHz triangular wave spread spectrum modulation
1 = 2 kHz triangular wave spread spectrum modulation
0
R
BK_SSEN
Spread spectrum function Buck 1–3
0 = SS Output Disabled
1 = SS Output Enabled
LDO2–LDO1 VOLTAGE CONTROL REGISTER (L21VCR) 8H'39
Bit
7
6
5
4
3
2
1
0
Designation
LDO 2 Output Voltage (L20V)**
LDO 1 Output Voltage (L1OV)**
Reset Value
1**
1**
0**
0**
1**
1**
0**
0**
LDO2–LDO1 VOLTAGE CONTROL REGISTER (L21VCR) 8H'39 DEFINITIONS
Bit
Access
Name
Description
7:4
R/W
L2OV
Data Code
Output Voltage
4h'0
1.8
4h'1
1.9
4h'2
2.0
4h'3
2.1
4h'4
2.2
4h'5
2.3
4h'6
2.4
4h'7
2.5
4h'8
2.6
4h'9
2.7
4h'A
2.8
4h'B
2.9
4h'C
3.0
4h'D
3.1
4h'E
3.2
4h'F
3.3
Copyright © 2006–2013, Texas Instruments Incorporated
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Product Folder Links: LP3971



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