
MAX8834Y/MAX8834Z
Adaptive Step-Up Converters
with 1.5A Flash Driver
Table 2. BOOST_CNTL
This register contains step-up converter control values.
REGISTER NAME
Address
Reset Value
Type
Special Features
BOOST_CNTL
0x00
0x00
Read/write
—
BIT
B7 (MSB)
B6
B5
B4
NAME
—
BOOST_EN
BOOST_MODE
DESCRIPTION
Reserved for future use
0 = Step-up converter off
1 = Step-up converter on
00 = Step-up voltage set adaptively
01 = Step-up voltage set programmatically according to
BOOST_CNTL[3:0]
10 = Step-up converter runs in dropout
11 = Step-up converter automatically changes between adaptive
DEFAULT VALUE
0
0
00
regulation and dropout mode depending on operating conditions
0000
=
3.7V
B3
B2
0001
0010
0011
0100
0101
0110
=
=
=
=
=
=
3.8V
3.9V
4.0V
4.1V
4.2V
4.3V
B1
B0 (LSB)
BOOST_CNTL[3:0]
0111
1000
1001
1010
1011
1100
1101
1110
1111
=
=
=
=
=
=
=
=
=
4.4V
4.5V
4.6V
4.7V
4.8V
4.9V
5.0V
5.1V
5.2V
0000
Maxim Integrated
25