®
RT2518
1.2A, Ultra-Low Dropout Linear Regulator with Enable
General Description
The RT2518 is a high performance positive voltage regulator
designed for applications requiring ultra-low input voltage
and ultra-low dropout voltage at up to 1.2 amperes. It
operates with an input voltage as low as 1.4V, and the
output voltage is adjustable as low as 0.5V. The RT2518
features ultra low dropout, ideal for applications where
output voltage is very close to input voltage. Additionally,
the RT2518 has an enable pin to further reduce power
dissipation while shutdown. The RT2518 provides
excellent regulation over variations in line, load and
temperature. The RT2518 is available in the WDFN-8L 3x3
package.
Features
Input Voltage as Low as 1.4V
Ultra-Low Dropout Voltage 200mV @ 1.2A
Adjustable Output Voltage from 0.5V to 5.5V
Over-Current Protection
Over-Temperature Protection
μ
1μA Input Current in Shutdown Mode
Enable Control
Applications
Telecom/Networking Cards
Motherboards/Peripheral Cards
Industrial Applications
Wireless Infrastructures
Set-Top Boxes
Medical Equipments
Notebook Computers
Battery Powered Systems
Ordering Information
RT2518
Package Type
QW : WDFN-8L 3x3 (W-Type)
Lead Plating System
G : Green (Halogen Free and Pb Free)
Note :
Richtek products are :
�½
Pin Configuration
(TOP VIEW)
NC
VOUT
ADJ
EN
1
2
3
4
8
GND
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
7
6
5
�½
9
NC
VIN
IC
GND
Marking Information
3P= : Product Code
WDFN-8L 3x3
3P=YM
DNN
YMDNN : Date Code
Simplified Application Circuit
V
IN
C1
Enable
EN
GND
ADJ
R2
VIN
RT2518
VOUT
R1
C2
V
OUT
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2518-05 August 2017
www.richtek.com
1
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
