LP3906SQ-JXXIEV National Semiconductor, LP3906SQ-JXXIEV Datasheet - Page 31

• Manufacturer Part Number: LP3906SQ-JXXIEV
• Description: BOARD EVALUATION LP3906SQ-JXXI
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3906SQ-JXXIEV

• Main Purpose: DC/DC, Step Down with LDO
• Outputs And Type: 4, Non-Isolated
• Current - Output: 1.5A, 1.5A, 300mA, 300mA
• Regulator Topology: Buck
• Frequency - Switching: 2MHz
• Board Type: Fully Populated
• Utilized Ic / Part: LP3906
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -
• Voltage - Input: -
• Power - Output: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

LDO1 CONTROL REGISTER (LDO1VCR) – 0X39
This register allows the user to program the output target volt-
age of LDO 1.
Name
Access
Data
Reset
Reserved
D7-5
000
—
—
Factory Programmed Default
5’h1A–5’h1F
LDO1 Output voltage (V)
5’h0C
5’h0D
5’h0A
5’h0B
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
LDO1_OUT
D4-0
R/W
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
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
3.4
3.5
3.5
31
LDO2 CONTROL REGISTER (LDO2VCR) – 0X3A
This register allows the user to program the output target volt-
age of LDO 2.
Name
Access
Data
Reset
Reserved
D7-5
000
—
—
Factory Programmed Default
5’h1A–5’h1F
LDO2 Output voltage (V)
5’h0C
5’h0D
5’h0A
5’h0B
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
LDO2_OUT
D4-0
R/W
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1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
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
3.4
3.5
3.5