Datasheet

LP3972
SNVS468K –SEPTEMBER 2006–REVISED MAY 2013 www.ti.com
LDO4 – LDO3 VOLTAGE CONTROL REGISTER (L34VCR)
LDO4 – LDO3 Voltage Control Register (L34VCR) 8h’3A
Bit 7
(1)
6
(1)
5
(1)
4
(1)
3
(1)
2
(1)
1
(1)
0
(1)
Designation LDO4 Output Voltage (L4OV) LDO3 Output Voltage (L3OV)
Reset Value 0 0 0 0 0 0 0 0
(1) One-time factory programmable EPROM registers for default values
LDO4 – LDO3 Voltage Control Register (L34VCR) 8h’3A Definitions
Bit Access Name Description
7:4 R/W L4OV Data Code Output Voltage
4h’0 1.00
4h’1 1.05
4h’2 1.10
4h’3 1.15
4h’4 1.20
4h’5 1.25
4h’6 1.30
4h’7 1.35
4h’8 1.40
4h’9 1.50
4h’A 1.80
4h’B 1.90
4h’C 2.50
4h’D 2.80
4h’E 3.00 (Default)
4h’F 3.30
3:0 R/W L3OV 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 (Default)
4h’D 3.1
4h’E 3.2
4h’F 3.3
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