RT5035A/B
Output Voltage List
I2C
VOUT1
VOUT2
4bit
VOUT3
4bit
VOUT4
4bit
VOUT5
3bit
VOUT6
4bit
VOUT8
3bit
VOUT10
3bit
Register Value
4bit
5.3
5.2
5.1
5
0
1
3.65
3.6
1.3
1.28
1.26
1.24
1.22
1.2
2.14
2.1
2
1.8
3
2.9
2.8
* 2.7
2.6
2.5
2.4
2.3
2.2
2
5.2
5.1
* 5
3.5
3.4
3.3
3
1.52
1.5
2
3.55
3.5
2.06
2.04
2
1.5
1.37
3
1.35
1.35
4
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4
3.45
3.4
1.26
1.25
5
1.96
1.92
1.88
1.84
* 1.8
1.76
1.54
1.5
1.23
1.22
6
3.35
3.3
1.18
1.16
1.14
1.12
1.1
*1.2
1.2
7
REF (0.8)
1.5
REF (0.8)
8
* 3.25
3.2
9
10
11
12
13
14
15
3.15
3.1
1.9
1.8
1.7
1.5
1.4
1.2
1.06
1.04
1.02
1
3.05
3
3.9
3.8
* 3.6
1.46
1.39
1.35
2.95
2.9
REF (0.8)
* : Default value
VOUT3/4/10 Default Voltage is selected by the SEQ pin and latched at the moment when
goes high.
RESET
SEQ ID
SEQ1
Register
A2
The SEQ pin pull down resistance RSEQ defines Power
on/off Sequence and Default Voltage.
Item
Code
1101
1001
111
Value
1.02V
1.8V
RSEQ Range
Typical
RSEQ(k) Procedure
Power on
VOUT3
SEQ ID
(k)
A2
VOUT4
Connect to Power
A5
VOUT10
ENDLY3
ENDLY2
ENDLY10
ENDLY4
SHDLY3
SHDLY2
SHDLY10
SHDLY4
REF
SEQ #0 (>0.2V, <AVDD) before EN
goes high
Reserved
A9
0111
1011
1001
1001
1010
0000
0000
0000
14ms
22ms
18ms
18ms
20ms
0ms
Refer Table.
SEQ1
A9
SEQ #1 80> RSEQ >20
SEQ #2 20> RSEQ >5
SEQ #3 5> RSEQ >1.25
40
10
A10
A10
A11
A11
A12
A12
Refer Table.
SEQ2
Refer Table.
SEQ3
2.5
1.25> RSEQ or
SEQ #4 connect to GND
(<0.2V)
0ms
0.625 or
short to GND
Refer Table.
SEQ4
0ms
RSEQ >80 or
SEQ #5
Refer Table.
SEQ5
120 or HZ
floating (HZ)
Copyright © 2020 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS5035A/B-03 February 2020
www.richtek.com
37
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
