LP3907SQX-BJYQX/NOPB National Semiconductor, LP3907SQX-BJYQX/NOPB Datasheet - Page 34

• Manufacturer Part Number: LP3907SQX-BJYQX/NOPB
• Description: 1 A&D 6A BUCK 2X 0.3A LDO
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3907SQX-BJYQX/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: 3.4V, 600mA
• Voltage/current - Output 3: 2.6V, 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

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BUCK1 RAMP CONTROL REGISTER (B1RC) - 0x25
This register allows the user to program the rate of change between the target voltages of Buck1.
Name
Access
Data
Reset
Reserved
- - - -
- - - -
D7
0
Reserved
D6-4
- - - -
- - - -
010
34
Data Code
4h'B - 4h'F
4h'8
4h'A
4h'0
4h'1
4h'2
4h'3
4h'4
4h'5
4h'6
4h'7
4h'9
B1RS
D3-0
1000
R/W
Ramp Rate mV/us
Instant
10
10
1
2
3
4
5
6
7
8
9