RT6224D
Absolute Maximum Ratings (Note 1)
VINtoGND ----------------------------------------------------------------------------------------------------- −0.3V to 20V
SW to GND ---------------------------------------------------------------------------------------------------- −0.3V to (VIN + 0.3V)
<10ns ----------------------------------------------------------------------------------------------------------- −5V to 25V
BOOT toGND ------------------------------------------------------------------------------------------------- (VSW − 0.3V) to (VSW + 6V)
All Other Pins ------------------------------------------------------------------------------------------------- −0.3V to 6V
Power Dissipation, PD @ TA = 25°C
TSOT-23-6 (FC) ----------------------------------------------------------------------------------------------- 1.429W
Package Thermal Resistance (Note 2)
TSOT-23-6 (FC), θJA ------------------------------------------------------------------------------------------ 70°C/W
TSOT-23-6 (FC), θJC ----------------------------------------------------------------------------------------- 15°C/W
Lead Temperature (Soldering, 10 sec.)------------------------------------------------------------------ 260°C
Junction Temperature ---------------------------------------------------------------------------------------- 150°C
Storage Temperature Range ------------------------------------------------------------------------------- −65°C to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Model)--------------------------------------------------------------------------------- 2kV
Recommended Operating Conditions (Note 4)
Supply Input Voltage, VIN ---------------------------------------------------------------------------------- 4.3V to 18V
Junction Temperature Range------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = 12V, TA = 25°C, unless otherwise specified)
Parameter
Shutdown Current
Symbol
ISHDN
Conditions
VEN = 0V
VEN = 2V, VFB = 1V
BST VSW = 4.8V
VIN = 5V
Min
--
Typ
--
Max
4
Unit
A
Quiescent Current
IQ
--
0.5
90
--
mA
High-Side
Low-Side
RDS(ON)_H
RDS(ON)_L
ILIM_L
V
--
105
65
4.5
--
Switch-On Resistance
m
--
45
Low-Side Current Limit
High-Side Current Limit
Oscillator Frequency
Maximum Duty Cycle
Minimum On-Time
3.2
--
3.9
6.5
1400
80
A
A
ILIM_H
fSW
--
--
kHz
%
DMAX
--
--
tON(MIN)
VREF
VEN_H
VEN_L
--
40
--
ns
mV
V
Feedback Reference Voltage
EN Rising Threshold
591
1.5
--
600
--
609
--
EN Falling Threshold
--
0.4
V
VIN Under-Voltage Lockout
Threshold-Rising
3.55
--
3.9
4.25
--
V
VIN Under-Voltage Lockout
Threshold-Hysteresis
340
mV
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is a registered trademark of Richtek Technology Corporation.
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4
DS6224D-01 August 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
