RT5710B
Ordering Information
RT5710B
Package Type
QW : WDFN-6L 2x2 (W-Type)
Lead Plating System
G : Green (Halogen Free and Pb Free)
UVP Option
H : Hiccup
Note :
Richtek products are :
Marking Information
36 : Product Code
W : Date Code
36W
Pin Configuration
(TOP VIEW)
GND
NC
EN
VIN
1
2
3
6
5
4
FB
GND
LX
RoHS compliant and compatible with the current
requirements of IPC/JEDEC J-STD-020.
7
WDFN-6L 2x2
Suitable for use in SnPb or Pb-free soldering processes.
Functional Pin Description
Pin No.
1
2
3
4
Pin Name
NC
EN
VIN
LX
No internal connection.
Enable control input.
Supply voltage input. The RT5710B operates from a 2.5V to 6V input.
Switch node.
Ground. The exposed pad must be soldered to a large PCB and connected to
GND for maximum thermal dissipation.
Feedback.
Pin Function
5, 7 (Exposed Pad) GND
6
FB
Functional Block Diagram
EN
VIN
UVLO
OTP
Shut Down
Control
Error
Amplifier
R
C
C
COMP
Comparator
+
-
Ton
LX
VIN
FB
V
REF
-
+
Logic
Control
Current
Limit
Detector
Current
Sense
Driver
LX
GND
LX
Copyright © 2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
2
DS5710B-05
November 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
