RT8061A Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8061A Datasheet PDF : 12 Pages
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RT8061A
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage, PVIN, SVIN -------------------------------------------------------------------------------- −0.3V to 6.5V
z LX Pin Voltage --------------------------------------------------------------------------------------------------------- (VIN + 0.3V) to 6.8V
z Other I/O Pin Voltage ------------------------------------------------------------------------------------------------ −0.3V to 6.5V
z Power Dissipation, PD @ TA = 25°C
WDNF-10L 3x3 -------------------------------------------------------------------------------------------------------- 1.429W
z Package Thermal Resistance (Note 2)
WDFN-10L 3x3, θJA -------------------------------------------------------------------------------------------------- 70°C/W
WDFN-10L 3x3 θJC -------------------------------------------------------------------------------------------------- 8.2°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, PVIN, SVIN -------------------------------------------------------------------------------- 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 = 3.3V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Feedback Reference Voltage
Feedback Leakage Current
DC Bias Current
VREF
IFB
0.594 0.6 0.606 V
-- 0.1 0.4 μA
Active , VFB = 0.7V, Not Switching --
Shutdown
--
110 140
μA
--
1
Output Voltage Line Regulation
Output Voltage Load Regulation
Switch Leakage Current
Switching Frequency
VIN = 2.7V to 5.5V IOUT = 0A
IOUT = 0A to 3A
VEN = 0A
-- 0.3 -- %/V
−1 --
1
%
--
--
1 μA
0.8 1 1.2 MHz
Switch On Resistance, High
Switch On Resistance, Low
RDS(ON)_P
RDS(ON)_N
VIN = 5V
VIN = 5V
-- 69 -- mΩ
-- 49 -- mΩ
PMOS Current Limit (latch-off)
Under Voltage Lockout
Threshold
ILIM
VUVLO
VIN Rising
VIN Falling
4
--
--
A
2.2 2.4 2.6
V
2 2.2 2.4
EN Threshold
Voltage
Logic-High VIH
Logic-Low VIL
EN Pull Low Resistance
1.6 --
--
V
--
-- 0.4
-- 500 -- kΩ
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
DS8061A-04 September 2012
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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