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LP3906 Datasheet(PDF) 28 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LP3906
Description  Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface
PDF  38 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP3906 Datasheet(HTML) 28 Page - National Semiconductor (TI)

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LP3906 Control Registers (Continued)
BUCK 2 TARGET VOLTAGE 1 REGISTER (B2TV1) –
0X29
This register allows the user to program the output target
voltage of Buck 2.
D7-5
D4-0
Name
—
BK2_VOUT1
Access
—
R/W
Data
Reserved
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
Reset
000
Factory Programmed Default
BUCK 2 TARGET VOLTAGE 2 REGISTER (B2TV2) –
0X2A
This register allows the user to program the output target
voltage of Buck 2.
D7-5
D4-0
Name
—
BK2_VOUT2
Access
—
R/W
Data
Reserved
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
Reset
000
Factory Programmed Default
www.national.com
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