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RT9081A-1KGQZA

Description
IC REG LIN 1.05V 500MA 6-ZADFN
Categorysemiconductor    Power management   
File Size257KB,12 Pages
ManufacturerRichtek Technology Corporation
Websitehttps://www.richtek.com/
Environmental Compliance
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RT9081A-1KGQZA Overview

IC REG LIN 1.05V 500MA 6-ZADFN

RT9081A-1KGQZA Parametric

Parameter NameAttribute value
Output configurationjust
Output typefixed
Number of voltage regulators1
Voltage - input (maximum)5.5V
Voltage - Output (minimum/fixed)1.05V
Voltage - Output (maximum)-
Pressure drop (maximum)0.25V @ 500mA
Current - Output500mA
Current - static (Iq)110µA
PSRR80dB(1kHz)
Control characteristicsEnable
Protective functionCurrent limit, thermal shutdown, UVLO
Operating temperature-40°C ~ 85°C(TA)
Installation typesurface mount
Package/casing6-XFDFN Exposed Pad
Supplier device packaging6-ZADFN(1.2x1.2)
®
RT9081A
500mA, 5.5V, Ultra Low Dropout Linear Regulator
General Description
The
RT9081A is a high performance positive voltage
regulator with separated bias voltage (V
BIAS
), designed
for applications requiring low input voltage and ultra low
dropout voltage, output current 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 RT9081A
features very low quiescent current consumption for
portable applications. The device is available in the ZADFN-
6L 1.2x1.2 package.
Features
Input Voltage Range : 0.8V to 5.5V
Bias Voltage Range : 2.4 V to 5.5 V
Output Voltage Fixed and Adjustable Versions
0.9V to 1.8V (Fixed)
½
0.8V to 3.6V (Adjustable)
°
1.5% Output Voltage Accuracy @ 25°C
½
Ultra Low Dropout Voltage : 140mV at 500mA
Low Bias Input Current
80μA in Operating Mode
μ
0.5μA in Disable Mode
μ
Enable Control
Output Active Discharge Function (Optional)
Stable with a 1μF Output Ceramic Capacitor
μ
RoHS Compliant and Halogen Free
Pin Configuration
(TOP VIEW)
VOUT
ADJ/NC
EN
1
GND
2
3
7
6
5
4
VIN
GND
BIAS
Applications
ZADFN-6L 1.2x1.2
Battery Powered Systems
Portable Electronic Device
Digital Set Top Boxes
Ordering Information
Product No.
RT9081A-09GQZA(2)
RT9081A-10GQZA
RT9081A-1KGQZA
RT9081A-11GQZA
RT9081A-1AGQZA(2)
RT9081A-12GQZA
RT9081A-1BGQZA(2)
RT9081A-13GQZA(2)
RT9081A-15GQZA(2)
RT9081A-18GQZA(2)
RT9081AGQZA(2)
Nominal Output
Voltage
0.90V
1.00V
1.05V
1.10V
1.15V
1.20V
1.25V
1.30V
1.50V
1.80V
Adjustable
Output Active
Discharge
ZADFN-6L
1.2x1.2 (Z-Type)
G : Green
(Halogen Free
and Pb Free)
(2): Quadrant
2
Follow EIA-
481-D
***Empty
means Pin1
orientation is
Quadrant 1
Option
Package
Lead Plating
System
Pin 1
Orientation
 
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS9081A-00 November 2016
www.richtek.com
1

RT9081A-1KGQZA Related Products

RT9081A-1KGQZA RT9081A-10GQZA
Description IC REG LIN 1.05V 500MA 6-ZADFN IC REG LINEAR 1V 500MA 6-ZADFN
Output configuration just just
Output type fixed fixed
Number of voltage regulators 1 1
Voltage - input (maximum) 5.5V 5.5V
Voltage - Output (minimum/fixed) 1.05V 1V
Pressure drop (maximum) 0.25V @ 500mA 0.25V @ 500mA
Current - Output 500mA 500mA
Current - static (Iq) 110µA 110µA
PSRR 80dB(1kHz) 80dB(1kHz)
Control characteristics Enable Enable
Protective function Current limit, thermal shutdown, UVLO Current limit, thermal shutdown, UVLO
Operating temperature -40°C ~ 85°C(TA) -40°C ~ 85°C(TA)
Installation type surface mount surface mount
Package/casing 6-XFDFN Exposed Pad 6-XFDFN Exposed Pad
Supplier device packaging 6-ZADFN(1.2x1.2) 6-ZADFN(1.2x1.2)
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