LP3906SQ-JXXIEV/NOPB National Semiconductor, LP3906SQ-JXXIEV/NOPB Datasheet - Page 30
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LP3906SQ-JXXIEV/NOPB
Manufacturer Part Number
LP3906SQ-JXXIEV/NOPB
Description
EVAL BOARD FOR LP3906SQ-JXXI
Manufacturer
National Semiconductor
Datasheet
1.LP3906SQ-DJXINOPB.pdf
(40 pages)
Specifications of LP3906SQ-JXXIEV/NOPB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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BUCK FUNCTION REGISTER (BFCR) – 0x38
This register allows the Buck switcher clock frequency to be spread across a wider range, allowing for less Electro-magnetic
Interference (EMI). The spread spectrum modulation frequency refers to the rate at which the frequency ramps up and down,
centered at 2 MHz.
Name
Access
Data
Reset
Reserved
000010
D7-2
—
—
BK_SLOMOD
R/W
Buck Spread Spectrum Modulation
0 – 10 kHz triangular wave
1 – 2 kHz triangular wave
1
D1
30
BK_SSEN
R/W
Spread Spectrum Function Output
0 – Disabled
1 – Enabled
0
D0
20197825
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