LP3907SQ-JXQX NSC [National Semiconductor], LP3907SQ-JXQX Datasheet - Page 30

• Manufacturer Part Number: LP3907SQ-JXQX
• Description: Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface
• Manufacturer: NSC [National Semiconductor]

www.national.com
BUCK1 TARGET VOLTAGE 1 REGISTER (B1TV1) – 0X23
This register allows the user to program the output target volt-
age of Buck1.
Name
Access
Data
Reset
Reserved
D7-5
000
—
—
5’h1A–5’h1F
Buck1 Output Voltage (V)
5’h0A
5’h0B
5’h0C
5’h0D
5’h0E
5’h0F
5’h00
5’h01
5’h02
5’h03
5’h04
5’h05
5’h06
5’h07
5’h08
5’h09
5’h10
5’h11
5’h12
5’h13
5’h14
5’h15
5’h16
5’h17
5’h18
5’h19
BK1_VOUT1
01001
D4-0
R/W
Ext Ctrl
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.00
30
BUCK1 TARGET VOLTAGE 2 REGISTER (B1TV2) – 0X24
This register allows the user to program the output target volt-
age of Buck1.
Name
Access
Data
Reset
Reserved
D7-5
000
—
—
5’h1A–5’h1F
Buck1 Output Voltage (V)
5’h0A
5’h0B
5’h0C
5’h0D
5’h0E
5’h0F
5’h00
5’h01
5’h02
5’h03
5’h04
5’h05
5’h06
5’h07
5’h08
5’h09
5’h10
5’h11
5’h12
5’h13
5’h14
5’h15
5’h16
5’h17
5’h18
5’h19
BK1_VOUT2
01001
D4-0
R/W
Ext Ctrl
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.00