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| RT9045A Datasheet, PDF (5/11 Pages) Richtek Technology Corporation – The RT9045A is a simple | |||
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RT9045A
Absolute Maximum Ratings (Note 1)
ï¬ Input Voltage, VIN ------------------------------------------------------------------------------------------------------------ â0.3V to 6V
ï¬ Control Voltage, VCNTL ----------------------------------------------------------------------------------------------------- â0.3V to 6V
ï¬ Reference Input Voltage, VREFEN ----------------------------------------------------------------------------------------- â0.3V to 6V
ï¬ Output Voltage, VOUT ------------------------------------------------------------------------------------------------------- â0.3V to 6V
ï¬ Power Dissipation, PD @ TA = 25°C
SOP-8 (Exposed Pad) ----------------------------------------------------------------------------------------------------- 3.44W
ï¬ Package Thermal Resistance (Note 2)
SOP-8 (Exposed Pad), θJA ------------------------------------------------------------------------------------------------ 29°C/W
SOP-8 (Exposed Pad), θJC ----------------------------------------------------------------------------------------------- 2°C/W
ï¬ Junction Temperature ------------------------------------------------------------------------------------------------------- 150°C
ï¬ Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------------- 260°C
ï¬ Storage Temperature Range ---------------------------------------------------------------------------------------------- â65°C to 150°C
ï¬ ESD Susceptibility (Note 3)
HBM (Human Body Model) ------------------------------------------------------------------------------------------------ 2kV
MM (Machine Model) ------------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
ï¬ Input Voltage, VIN ------------------------------------------------------------------------------------------------------------ 1V to 5.5V
ï¬ Control Voltage, VCNTL ----------------------------------------------------------------------------------------------------- 5V ± 5%
ï¬ Junction Temperature Range ---------------------------------------------------------------------------------------------- â40°C to 125°C
ï¬ Ambient Temperature Range ---------------------------------------------------------------------------------------------- â40°C to 85°C
Electrical Characteristics
(VIN = 1.8V / 1.5V, VCNTL = 5V, VREFEN = 0.9V / 0.75V, COUT = 10μF (Ceramic), TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Input
VCNTL Operation Current
VCNTL Power on Reset
Standby Current (Note 5)
ICNTL
VPOR
ISTBY
IOUT = 0A
VCNTL Rising
VREFEN ï¼ 0.2V (Shutdown), RLOAD = 180ï
-- 0.7 2.5 mA
-- 3.6 -- V
-- 20 90 ïA
Output
Output Offset Voltage
(Note 6)
VOS
IOUT = 0A
ï13 --
VIN = 1.8V, VREFEN = 0.9V, IOUT = ï±1.8A
Load Regulation
(Note 7) ïVLOAD
VIN = 1.5V, VREFEN = 0.75V, IOUT = ï±1.5A
VIN = 1.35V, VREFEN = 0.675V, IOUT = ï±1.2A
ï13
--
VIN = 1.2V, VREFEN = 0.6V, IOUT = ï±1.2A
13 mV
13 mV
Protection
Source
Current Limit
Sink
ILIMITsr
ILIMITsk
VIN = 1.8V, VREFEN = 0.9V
VIN = 1.5V, VREFEN = 0.75V
VIN = 1.8V, VREFEN = 0.9V
VIN = 1.5V, VREFEN = 0.75V
1.8 -- 3.5 A
1.8 -- 3.5 A
Copyright ©2015 Richtek Technology Corporation. All rights reserved.
DS9045A-00 January 2015
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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