LP3954 Datasheet, PDF (46/56 Pages) National Semiconductor (TI) – Advanced Lighting Management Unit

BOOST_OUTPUT (0DH) – BOOST OUTPUT VOLTAGE CONTROL REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
Boost[7:0]
rw-0
rw-0
rw-1
rw-1
rw-1
rw-1
rw-1
rw-1
Boost[7:0] Bits 7-0
Boost[7:0]
0000 0000
0000 0001
0000 0011
0000 0111
0000 1111
0001 1111
0011 1111
0111 1111
1111 1111
Adjustment
Typical boost output (V)
4.00
4.25
4.40
4.55
4.70
4.85
5.00 (default)
5.15
5.30
BOOST_FRQ (0EH) – BOOST FREQUENCY CONTROL REGISTER
D7
D6
D5
D4
D3
r-0
r-0
r-0
r-0
r-0
D2
D1
D0
freq_sel[2:0]
rw-1
rw-1
rw-1
freq_sel[2:0] Bits 7-0
Adjustment
freq_sel[2:0]
Frequency
1xx
2.00 MHz
01x
1.67 MHz
00x
1.00 MHz
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