RT6226A/B/C
Absolute Maximum Ratings (Note 1)
Supply Voltage, VIN -------------------------------------------------------------------------------------------- −0.3V to 27V
Enable Pin Voltage, VEN -------------------------------------------------------------------------------------- −0.3V to 27V
FB Pin Voltage, VFB (RT6226A) ----------------------------------------------------------------------------- −0.3V to 4.5V
VOUT Pin Voltage, VOUT (RT6226B) ----------------------------------------------------------------------- −0.3V to 4.5V
VOUT Pin Voltage, VOUT (RT6226C) ----------------------------------------------------------------------- −0.3V to 6V
Switch Voltage, VLX -------------------------------------------------------------------------------------------- −0.3V to (VIN + 0.3V)
<30ns ------------------------------------------------------------------------------------------------------------- −5V to 28V
Boot Voltage, VBS ---------------------------------------------------------------------------------------------- (VLX − 0.3V) to (VLX + 6V)
Other I/O Pin Voltages ---------------------------------------------------------------------------------------- −0.3V to 6V
Power Dissipation, PD @ TA = 25°C
UQFN-12HL 3x3 (FC) ----------------------------------------------------------------------------------------- 2.45W
Package Thermal Resistance (Note 2)
UQFN-12HL 3x3 (FC), θJA ------------------------------------------------------------------------------------ 40.8°C/W
Junction Temperature ------------------------------------------------------------------------------------------ 150°C
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------- 260°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 (RT6226A/B) ------------------------------------------------------------------- 4.5V to 23V
Supply Input Voltage VIN (RT6226C) ---------------------------------------------------------------------- 5.1V to 23V
Junction Temperature Range --------------------------------------------------------------------------------- −40°C to 125°C
Electrical Characteristics
(VIN = 12V, TA = 25°C, unless otherwise specified)
Parameter
Input Voltage Range
Supply Current
Symbol
VIN
Test Conditions
RT6226A/B
RT6226C
Min
4.5
5.1
Typ
--
Max
23
Unit
V
--
23
V
EN = 0 (RT6226A/B)
VEN = 0 (RT6226C)
OUT = 0, VOUT = VSET x 105%,
EN = 1V
2.5
40
5
10
60
Supply Current (Shutdown)
ISHDN
A
A
50
I
V
Supply Current (Quiescent)
IQ
80
100
130
Logic Threshold
EN Input Low Voltage
EN Input High Voltage
VENL
VENH
--
--
--
0.4
--
V
V
0.8
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6
DS6226A/B/C-03 September 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
