RT8082 View Datasheet(PDF) - Richtek Technology
Part Name
Description
Manufacturer
RT8082 Datasheet PDF : 14 Pages
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RT8082
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage, VIN, BIAS ------------------------------------------------------------------------------- −0.3V to 6V
z LX Pin Switch Voltage --------------------------------------------------------------------------------------------- −0.3V to (VIN + 0.3V)
z Other Pins ------------------------------------------------------------------------------------------------------------ −0.3V to (VIN + 0.3V)
z LX Pin Switch Current --------------------------------------------------------------------------------------------- 5A
z Power Dissipation, PD @ TA = 25°C
WDFN-12E 3x3 ----------------------------------------------------------------------------------------------------- 1.667W
z Package Thermal Resistance (Note 2)
WDFN-12E 3x3, θJA ------------------------------------------------------------------------------------------------ 60°C/W
WDFN-12E 3x3, θJC ----------------------------------------------------------------------------------------------- 7°C/W
z Junction Temperature ---------------------------------------------------------------------------------------------- 150°C
z Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------ 260°C
z Storage Temperature Range ------------------------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Model) --------------------------------------------------------------------------------------- 2kV
Recommended Operating Conditions (Note 4)
z Supply Input Voltage ----------------------------------------------------------------------------------------------- 2.7V to 5.5V
z Junction Temperature Range ------------------------------------------------------------------------------------- −40°C to 125°C
z Ambient Temperature Range ------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = VEN = 3.6V, TA = −40°C to 85°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Quiescent Current
IQ
VFB = 0.9V, Not Switching
Shutdown Current
ISHDN
VEN = 0V
Feedback Voltage
VFB
ILOAD = 100mA
ILOAD = 100mA, TA = 25°C
Feedback Leakage Current
IFB
Line Regulation
Load Regulation
Switching Frequency
High Side Switch On-Resistance
Low Side Switch On-Resistance
fOSC
RDS(ON)_P
RDS(ON)_N
ILOAD = 100mA
20mA < ILOAD < 3A
ILX = 0.5A
Peak Current Limit
ILIM
Under Voltage Lockout Threshold VUVLO
VIN Rising
Under Voltage Lockout Hysteresis ΔVUVLO
Power Good Rising Threshold
VFB Rising (Good), TA = 25°C
VFB Rising (Fault), TA = 25°C
Min Typ Max Unit
-- 570 900 μA
--
1
2 μA
0.98 1 1.02
V
0.99 1 1.01
--
1
-- nA
-- 0.07 -- %/V
-- 0.2 0.5 %
1.7 2 2.3 MHz
-- 75 150
mΩ
-- 55 80
3.5 5
--
A
2.35 2.45 2.6 V
-- 0.2 --
V
-- 93 90
%
-- 107 110
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
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is a registered trademark of Richtek Technology Corporation.
DS8082-00 November 2012
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