RT6228A/B/C
Absolute Maximum Ratings
(Note 1)
Supply Voltage,VIN ---------------------------------------------------------------------------------------------
−0.3V
to 27V
Enable Pin Voltage, V
EN
--------------------------------------------------------------------------------------
−0.3V
to 27V
FB Pin Voltage, V
FB
(RT6228A) -----------------------------------------------------------------------------
−0.3V
to 4.5V
VOUT Pin Voltage, V
OUT
(RT6228B) -----------------------------------------------------------------------
−0.3V
to 4.5V
VOUT Pin Voltage, V
OUT
(RT6228C) -----------------------------------------------------------------------
−0.3V
to 6V
Switch Voltage, V
LX -------------------------------------------------------------------------------------------------------------------------------------
−0.3V
to (V
IN
+ 0.3V)
<30ns -------------------------------------------------------------------------------------------------------------
−5V
to 28V
Boot Voltage, V
BS
----------------------------------------------------------------------------------------------
(V
LX
−
0.3V) to (V
LX
+ 6V)
Other I/O Pin Voltages ----------------------------------------------------------------------------------------
−0.3V
to 6V
Power Dissipation, P
D
@ T
A
= 25°C
UQFN-12HL 3x3 (FC) ----------------------------------------------------------------------------------------- 2.79W
Package Thermal Resistance (Note 2)
UQFN-12HL 3x3 (FC),
θ
JA
------------------------------------------------------------------------------------ 35.8°C/W
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------- 260°C
Junction Temperature ------------------------------------------------------------------------------------------ 150°C
Junction Temperature Range ---------------------------------------------------------------------------------
−40°C
to 125°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 (RT6228A/B) ------------------------------------------------------------------- 4.5V to 23V
Supply Input Voltage VIN (RT6228C) ---------------------------------------------------------------------- 5.1V to 23V
Electrical Characteristics
(V
IN
= 12V, T
A
= 25°C, unless otherwise specified)
Parameter
Input Voltage Range
Supply Current
Supply Current (Shutdown)
Supply Current (Quiescent)
Logic Threshold
EN Input Low Voltage
EN Input High Voltage
Symbol
V
IN
Test Conditions
RT6228A/B
RT6228/C
V
EN
= 0 (RT6228A/B)
V
EN
= 0 (RT6228C)
I
OUT
= 0, V
OUT
= V
SET
x
105%, V
EN
= 1V
Min
4.5
5.1
2.5
40
80
Typ
--
--
5
50
100
Max
23
23
10
60
130
Unit
V
I
SHDN
I
Q
A
A
V
ENL
V
ENH
--
0.8
--
--
0.4
--
V
V
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS6228A/B/C-02
September 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
