RT6224D
Absolute Maximum Ratings
(Note 1)
VIN to GND -----------------------------------------------------------------------------------------------------
−0.3V
to 20V
SW to GND ----------------------------------------------------------------------------------------------------
−0.3V
to (V
IN
+ 0.3V)
<10ns -----------------------------------------------------------------------------------------------------------
−5V
to 25V
BOOT to GND ------------------------------------------------------------------------------------------------- (V
SW
−
0.3V) to (V
SW
+ 6V)
All Other Pins -------------------------------------------------------------------------------------------------
−0.3V
to 6V
Power Dissipation, P
D
@ T
A
= 25°C
TSOT-23-6 (FC) ----------------------------------------------------------------------------------------------- 1.429W
Package Thermal Resistance (Note 2)
TSOT-23-6 (FC),
θ
JA
------------------------------------------------------------------------------------------ 70°C/W
TSOT-23-6 (FC),
θ
JC
----------------------------------------------------------------------------------------- 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
(Note 4)
Recommended Operating Conditions
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
(V
IN
= 12V, T
A
= 25°C, unless otherwise specified)
Parameter
Shutdown Current
Quiescent Current
Switch-On Resistance
Low-Side Current Limit
High-Side Current Limit
Oscillator Frequency
Maximum Duty Cycle
Minimum On-Time
Feedback Reference Voltage
EN Rising Threshold
EN Falling Threshold
VIN Under-Voltage Lockout
Threshold-Rising
VIN Under-Voltage Lockout
Threshold-Hysteresis
High-Side
Low-Side
I
Q
Symbol
I
SHDN
R
DS(ON)_H
R
DS(ON)_L
I
LIM_L
I
LIM_H
f
SW
D
MAX
t
ON(MIN)
V
REF
V
EN_H
V
EN_L
Conditions
V
EN
= 0V
V
EN
= 2V, V
FB
= 1V
V
BST
V
SW
= 4.8V
V
IN
= 5V
Min
--
--
--
--
3.2
--
--
--
--
591
1.5
--
3.55
--
Typ
--
0.5
90
45
3.9
6.5
1400
80
40
600
--
--
3.9
340
Max
4
--
105
65
4.5
--
--
--
--
609
--
0.4
4.25
--
Unit
A
mA
m
A
A
kHz
%
ns
mV
V
V
V
mV
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
4
DS6224D-01 August 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
