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