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  Richtek Technology Electronic Components Datasheet  

RT9081D Datasheet

Ultra Low Dropout Linear Regulator

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®
RT9081D
500mA, 5.5V, Ultra Low Dropout Linear Regulator
General Description
The RT9081D is a high performance positive voltage
regulator with separated bias voltage (VBIAS), and is
designed for applications requiring low input voltage and
ultra low dropout voltage. The output current is up to
500mA. The feature of ultra low dropout voltage is ideal
for applications where output voltage is very close to input
voltage. The input voltage can be as low as 0.8V and the
output voltage is adjustable by an external resistive divider.
The RT9081D features very low quiescent current
consumption for portable applications. The device is
available in the ZADFN-6L 1.2x1.2 package.
Pin Configuration
(TOP VIEW)
VOUT 1
ADJ/IC 2
EN 3
6 VIN
5 GND
7 4 BIAS
ZADFN-6L 1.2x1.2
Features
Input Voltage Range : 0.8V to 5.5V
Bias Voltage Range : 2.4V to 5.5V
Output Voltage Fixed and Adjustable Versions
0.9V to 1.8V (Fixed)
0.8V to 3.6V (Adjustable)
Accurate Output Voltage Accuracy (1.5%) Over Line,
Load @ 25°C
Ultra Low Dropout Voltage : 140mV at 500mA
Low Bias Input Current
80μA in Operating Mode
0.5μA in Shutdown Mode
Enable Control
Output Active Discharge Function
RoHS Compliant and Halogen Free
Applications
Battery Powered Systems
Portable Electronic Device
Digital Set Top Boxes
Simplified Application Circuit
VIN
Enable
VBIAS
RT9081D
VIN
VOUT
CIN
CBIAS
EN
IC
BIAS
GND
COUT
VIN
Enable
VBIAS
RT9081D
VIN
VOUT
CIN
EN
ADJ
BIAS
CBIAS
GND
VOUT
R1
COUT
R2
Fixed Voltage Regulator
Adjustable Voltage Regulator
Copyright ©2020 Richtek Technology Corporation. All rights reserved.
DS9081D-00 October 2020
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
1


  Richtek Technology Electronic Components Datasheet  

RT9081D Datasheet

Ultra Low Dropout Linear Regulator

No Preview Available !

RT9081D
Ordering Information
Part No.
Nominal Output
Voltage
RT9081D-09GQZA
0.90V
RT9081D-10GQZA
1.00V
RT9081D-1KGQZA
1.05V
RT9081D-11GQZA
1.10V
RT9081D-1AGQZA
1.15V
RT9081D-12GQZA
1.20V
RT9081D-1BGQZA
1.25V
RT9081D-13GQZA
1.30V
RT9081D-15GQZA
1.50V
RT9081D-18GQZA
1.80V
RT9081DGQZA
Adjustable
Package
Lead Plating
System
ZADFN-6L 1.2x1.2 (Z-Type)
G : Green
(Halogen Free and Pb Free)
Note :
Richtek products are :
RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area.
Copyright ©2020 Richtek Technology Corporation. All rights reserved.
www.richtek.com
2
is a registered trademark of Richtek Technology Corporation.
DS9081D-00 October 2020


Part Number RT9081D
Description Ultra Low Dropout Linear Regulator
Maker Richtek
PDF Download

RT9081D Datasheet PDF






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