LP3971SQ-2G16/NOPB National Semiconductor, LP3971SQ-2G16/NOPB Datasheet - Page 35

• Manufacturer Part Number: LP3971SQ-2G16/NOPB
• Description: IC PMU FOR APPL PROCESSORS 40LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3971SQ-2G16/NOPB

• Applications: Processor
• Current - Supply: 60µA
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-LLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LP3971SQ-2G16; LP3971SQ-2G16; LP3971SQ-2G16TR

Designation
Reset Value
Designation
Reset Value
BUCK 3 TARGET VOLTAGE 1 REGISTER (B3TV1) 8H'32
Note: ** denotes EPROM programmable registers for default value.
BUCK 3 TARGET VOLTAGE 1 REGISTER (B3TV1) 8H'32 DEFINITIONS
BUCK 3 TARGET VOLTAGE 2 REGISTER (B3TV2) 8H'33
Note: ** denotes EPROM programmable registers for default value.
BUCK 3 TARGET VOLTAGE 2 REGISTER (B3TV2) 8H'33 DEFINITIONS
Bit
7:5
4:0
Bit
7:5
4:0
Access
Access
R/W
R/W
Bit
Bit
—
—
Name
B3OV
Name
B2OV
—
—
7
0
7
0
Reserved
Output Voltage
Reserved
Output Voltage
Reserved
Reserved
6
0
6
0
Data Code
Data Code
5h'0A
5h'0B
5h'0C
5h'0A
5h'0B
5h'0C
5h'01
5h'02
5h'03
5h'04
5h'05
5h'06
5h'07
5h'08
5h'09
5h'01
5h'02
5h'03
5h'04
5h'05
5h'06
5h'07
5h'08
5h'09
5
0
5
0
1**
1**
4
4
35
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
(V)
(V)
0**
0**
Buck 3 Output Voltage (B3OV)**
Buck 2 Output Voltage (B2OV)**
3
3
Description
Description
Data Code
Data Code
1**
1**
2
2
5h'0D
5h'0E
5h'0D
5h'0E
5h'0F
5h'11
5h'12
5h'13
5h'14
5h'15
5h'16
5h'17
5h'18
5h'19
5h'0F
5h'11
5h'12
5h'13
5h'14
5h'15
5h'16
5h'17
5h'18
5h'19
0**
0**
1
1
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1.40
1.45
1.50
1.60
1.65
1.70
1.80
1.90
2.50
2.80
3.00
3.30
1.40
1.45
1.50
1.60
1.65
1.70
1.80
1.90
2.50
2.80
3.00
3.30
(V)
(V)
0**
0**
0
0