DS5028E Datasheet, PDF (2/41 Pages) Richtek Technology Corporation – Integrated PMIC with 4-Channel Synchronous Buck Converters, 8 LDOs, and MTP Non-Volatile Memory for Industrial Applications

RT5028E
Marking Information
RT5028E
GQW
YMDNN
RT5028EGQW : Product Number
YMDNN : Date Code
Pin Configuration
(TOP VIEW)
56 55 54 53 52 51 50 49 48 47 46 45 44 43
VOUTL1 1
VINL123 2
VOUTL2 3
VOUTL3 4
VOUTL6 5
VOUTL5 6
VINL456 7
VOUTL4 8
VOUTL7 9
VINL78 10
VOUTL8 11
ENL4 12
ENL5 13
ENL6 14
42
41
40
39
38
37
AGND
36
35
34
33
57
32
31
30
29
15 16 17 18 19 20 21 22 23 24 25 26 27 28
LXB2
LXB2
ENB2
VOUTB2S
VINB3
VINB3
LXB3
LXB3
AGND
VOUTB3S
VINB4
LXB4
ENB3
VOUTB4S
WQFN-56L 7x7
Functional Pin Description
Pin No.
Pin Name
Pin Function
1
VOUTL1
Output voltage regulation node for LDO1.
2
VINL123
Input power for LDO1, LDO2 and LDO3.
3
VOUTL2
Output voltage regulation node for LDO2.
4
VOUTL3
Output voltage regulation node for LDO3.
5
VOUTL6
Output voltage regulation node for LDO6.
6
VOUTL5
Output voltage regulation node for LDO5.
7
VINL456
Input power for LDO4, LDO5 and LDO6.
8
VOUTL4
Output voltage regulation node for LDO4.
9
VOUTL7
Output voltage regulation node for LDO7.
10
VINL78
Input power for LDO7 and LDO8.
11
VOUTL8
Output voltage regulation node for LDO8.
12
ENL4
Enable control input for LDO4. Connect a 100k pull-low resistor.
13
ENL5
Enable control input for LDO5. Connect a 100k pull-low resistor.
14
ENL6
15
SCL
Enable control input for LDO6. Connect a 100k pull-low resistor.
Clock input for I²C. Open-drain output, connect a 10k pull-up resistor.
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2
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DS5028E-00 October 2016