LP3906 Datasheet, PDF (31/47 Pages) National Semiconductor (TI) – Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface

LP3906
www.ti.com
SNVS456M – AUGUST 2006 – REVISED MAY 2013
BUCK 2 TARGET VOLTAGE 1 REGISTER (B2TV1) – 0X29
This register allows the user to program the output target voltage of Buck 2.
Name
Access
Data
Reset
D7-5
—
—
Reserved
000
D4-0
BK2_VOUT1
R/W
Buck2 Output Voltage (V)
5’h00
Ext Ctrl
5’h01
1.0
5’h02
1.1
5’h03
1.2
5’h04
1.3
5’h05
1.4
5’h06
1.5
5’h07
1.6
5’h08
1.7
5’h09
1.8
5’h0A
1.9
5’h0B
2.0
5’h0C
2.1
5’h0D
2.2
5’h0E
2.4
5’h0F
2.5
5’h10
2.6
5’h11
2.7
5’h12
2.8
5’h13
2.9
5’h14
3.0
5’h15
3.1
5’h16
3.2
5’h17
3.3
5’h18
3.4
5’h19
3.5
5’h1A–5’h1F
3.5
Factory Programmed Default
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