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RT9081A-18GQZA Datasheet(PDF) 4 Page - Richtek Technology Corporation

Part # RT9081A-18GQZA
Description  Ultra Low Dropout Linear Regulator
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9081A-18GQZA Datasheet(HTML) 4 Page - Richtek Technology Corporation

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4
DS9081A-00 November 2016
www.richtek.com
RT9081A
©
Copyright 2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Recommended Operating Conditions
(Note 4)
Supply Input Voltage, VIN ----------------------------------------------------------------------------------------------- 0.8V to 5.5V
Supply Input Voltage, VBIAS -------------------------------------------------------------------------------------------------------------------------------------- 2.4V to 5.5V
Junction Temperature Range --------------------------------------------------------------------------------------------
−40°C to 125°C
Ambient Temperature Range --------------------------------------------------------------------------------------------
−40°C to 85°C
Electrical Characteristics
(VBIAS = 2.7V, or (VOUT + 1.6V), whichever is greater, VIN = VOUT(Normal) + 0.3V, IOUT = 1mA, VEN = 1V, CIN = 1
μF,
COUT = 1
μF (Effective value), TA = 25°C, unless otherwise specified). (Note 6)
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage, VIN -----------------------------------------------------------------------------------------------
−0.3V to 6V
All Other Pins --------------------------------------------------------------------------------------------------------------
−0.3V to 6V
Power Dissipation, PD @ TA = 25
°C
ZADFN-6L 1.2x1.2 --------------------------------------------------------------------------------------------------------- 0.73W
Package Thermal Resistance (Note 2)
ZADFN-6L 1.2x1.2,
θJA --------------------------------------------------------------------------------------------------- 136.5°C/W
ZADFN-6L 1.2x1.2,
θJC --------------------------------------------------------------------------------------------------- 0.98°C/W
Junction Temperature ----------------------------------------------------------------------------------------------------- 150
°C
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260
°C
Storage Temperature Range --------------------------------------------------------------------------------------------
−65°C to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Model) ------------------------------------------------------------------------------------------------ 2kV
CDM (Charged Device Model) -------------------------------------------------------------------------------------------- 1kV
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Operating Input Voltage
Range
VIN
VOUT +
VDROP
--
5.5
V
Operating Bias Voltage
Range
VBIAS
(VOUT +1.4)
 2.4
--
5.5
V
Under Voltage Lock-Out VUVLO
VBIAS rising
--
1.6
--
V
Hysteresis
--
0.2
--
V
Reference Voltage (Adj
devices only)
VREF
--
0.8
--
V
Output Voltage Accuracy VOUT
(Note 5)
0.5
--
0.5
%
Output Voltage Accuracy
(Note 5)
VOUT
VOUT(Normal) + 0.3V  VIN
VOUT(Normal) + 1V, 2.7V or
(VOUT(Normal) + 1.6V), whichever is
greater
 VBIAS  5.5V, 1mA  IOUT
< 500mA
1.5
--
1.5
%
VIN Line Regulation
VLINE_VIN
VOUT(NOM) + 0.3V  VIN  5V
--
0.01
--
%/V
VBIAS Line Regulation
VLINE_BIAS
2.7V or (VOUT(Normal) + 1.6V),
whichever is greater
 VBIAS  5.5V
--
0.01
--
%/V


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