LP3907QSQX-JXI7/NOPB National Semiconductor, LP3907QSQX-JXI7/NOPB Datasheet - Page 38

IC REG 6A BUCK/LDO 2X 0.3A

LP3907QSQX-JXI7/NOPB

Manufacturer Part Number
LP3907QSQX-JXI7/NOPB
Description
IC REG 6A BUCK/LDO 2X 0.3A
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheet

Specifications of LP3907QSQX-JXI7/NOPB

Topology
Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
Function
Any Function
Number Of Outputs
4
Frequency - Switching
2.1MHz
Voltage/current - Output 1
1.2V, 1A
Voltage/current - Output 2
3.3V, 600mA
Voltage/current - Output 3
1.8V, 300mA
W/led Driver
No
W/supervisor
No
W/sequencer
Yes
Voltage - Supply
2.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-WFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LP3907QSQX-JXI7/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
www.national.com
LDO1 CONTROL REGISTER (LDO1VCR) – 0X39
This register allows the user to program the output target volt-
age of LDO 1.
For “JJ11” voltage options LDO1 has a fixed output voltage
of 2.85V.
Name
Access
Data
Reset
Reserved
D7-5
000
5’h1A–5’h1F
Factory-Programmed Default
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
38
LDO2 CONTROL REGISTER (LDO2VCR) – 0X3A
This register allows the user to program the output target volt-
age of LDO 2.
For “JJ11” voltage options LDO2 has a fixed output voltage
of 2.85V.
Name
Access
Data
Reset
Reserved
D7-5
000
5’h1A–5’h1F
Factory-Programmed Default
LDO2 Output voltage (V)
5’h0A
5’h0B
5’h0C
5’h0D
5’h0E
5’h00
5’h01
5’h02
5’h03
5’h04
5’h05
5’h06
5’h07
5’h08
5’h09
5’h0F
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
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

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