RT5028
Marking Information
RT5028GQW : Product Number
Pin Configuration
(TOP VIEW)
AGND
ENL3
ENL2
ENL1
VIN
VDDP
VOUTB1S
ENB1
LXB1
LXB1
VINB1
VINB1
VINB2
VINB2
56 55 54 53 52 51 50 49 48 47 46 45 44 43
RT5028
GQW
YMDNN
YMDNN : Date Code
VOUTL1
VINL123
VOUTL2
VOUTL3
VOUTL6
VOUTL5
VINL456
VOUTL4
VOUTL7
VINL78
VOUTL8
ENL4
ENL5
ENL6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 16 17 18 19 20 21 22 23 24 25 26 27 28
57
42
41
40
39
38
37
36
35
34
33
32
31
30
29
AGND
LXB2
LXB2
ENB2
VOUTB2S
VINB3
VINB3
LXB3
LXB3
AGND
VOUTB3S
VINB4
LXB4
ENB3
VOUTB4S
Functional Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Pin Name
VOUTL1
VINL123
VOUTL2
VOUTL3
VOUTL6
VOUTL5
VINL456
VOUTL4
VOUTL7
VINL78
VOUTL8
ENL4
ENL5
ENL6
SCL
Pin Function
Output voltage regulation node for LDO1.
Input power for LDO1, LDO2 and LDO3.
Output voltage regulation node for LDO2.
Output voltage regulation node for LDO3.
Output voltage regulation node for LDO6.
Output voltage regulation node for LDO5.
Input power for LDO4, LDO5 and LDO6.
Output voltage regulation node for LDO4.
Output voltage regulation node for LDO7.
Input power for LDO7 and LDO8.
Output voltage regulation node for LDO8.
Enable control input for LDO4. Connect a 100kΩ pull-low resistor.
Enable control input for LDO5. Connect a 100kΩ pull-low resistor.
Enable control input for LDO6. Connect a 100kΩ pull-low resistor.
Clock input for I
2
C. Open-drain output, connect a 10kΩ pull-up resistor.
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
2
SCL
SDA
ENL7
ENL8
IRQ
RESET
AGND
PWRON
REBOOT
MTP
MASK_GPIO
PWRHOLD
SADDR
ENB4
WQFN-56L 7x7
DS5028-02
September 2016
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
