LP3910SQ-AN Datasheet, PDF (50/60 Pages) National Semiconductor (TI) – Power Management IC for Hard Drive Based Portable Media Players

BUCK1 CONTROL REGISTER (05)H
Access
Data
D7
Read Only 0
Reserved
Reset n/a
D6
D5
R/W
Operation
Force PWM mode
0: enable/disable determined 0: Automatic Modulation Mode
by state of BUCK1EN pin 1: Force PWM mode
1: enable, override
BUCK1EN state
0
0
D4–0
BUCK1 Output Voltage (V)
5’h00
Externally
controlled
5’h01
0.80
5’h02
0.85
5’h03
0.90
5’h04
0.95
5’h05
1.00
5’h06
1.05
5’h07
1.10
5’h08
1.15
5’h09
1.20
5’h0A
1.25
5’h0B
1.30
5’h0C
1.35
5’h0D
1.40
5’h0E
1.45
5’h0F
1.50
5’h10
1.55
5’h11
1.60
5’h12
1.65
5’h13
1.70
5’h14
1.75
5’h15
1.80
5’h16
1.85
5’h17
1.90
5’h18
1.95
5’h19–1F
2.00
5’h05
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