LP3971SQ-B410EV National Semiconductor, LP3971SQ-B410EV Datasheet - Page 37

• Manufacturer Part Number: LP3971SQ-B410EV
• Description: BOARD EVALUATION LP3971SQ-B410
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3971SQ-B410EV

• Main Purpose: DC/DC, Step Down with LDO
• Outputs And Type: 9, Non-Isolated
• Voltage - Input: 2.7 ~ 5.5V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: LP3971
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Not Compliant

Designation
Reset Value
LDO2–LDO1 VOLTAGE CONTROL REGISTER (L21VCR) 8H'39
Note: ** denotes EPROM programmable registers for default value.
LDO2–LDO1 VOLTAGE CONTROL REGISTER (L21VCR) 8H'39 DEFINITIONS
Bit
7:4
3:0
Bit
Access
R/W
R/W
Name
L2OV
L1OV
1**
7
LDO 2 Output Voltage (L20V)**
1**
6
Data Code
4h'C
4h'C
4h'A
4h'B
4h'D
4h'E
4h'F
4h'A
4h'B
4h'D
4h'E
4h'F
4h'0
4h'1
4h'2
4h'3
4h'4
4h'5
4h'6
4h'7
4h'8
4h'9
4h'0
4h'1
4h'2
4h'3
4h'4
4h'5
4h'6
4h'7
4h'8
4h'9
0**
5
Output Voltage
37
0**
4
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
Description
1**
3
LDO 1 Output Voltage (L1OV)**
1**
2
0**
1
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0**
0