RT8016
Functional Pin Description
Pin No.
Pin Name
Pin Function
2
3
EN
Chip Enable (Active High).
Power Input.
VIN
4
LX
Pin for Switching.
1, 5
6
GND
FB/VOUT
Ground Pin.
Feedback/Output Voltage Pin.
No Internal Connection. The exposed pad must be soldered to a large PCB and
connected to GND for maximum power dissipation.
7 (Exposed Pad) NC
Function Block Diagram
EN
VIN
RS1
OSC &
Shutdown
Control
Current
Limit
Detector
Slope
Compensation
Current
Sense
Control
Logic
Driver
LX
PWM
Comparator
Mux
FB/VOUT
Error
Current
Source
Amplifier
RC
COMP
Controller
UVLO &
Power Good
Detector
Current
Detector
RS2
V
REF
GND
Copyright 2012 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS8016-04 February 2012
www.richtek.com
3
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