RT6308A
Absolute Maximum Ratings (Note 1)
Supply Voltage, VIN -------------------------------------------------------------------------------------------- −0.3V to 27V
Enable Pin Voltage, VEN -------------------------------------------------------------------------------------- −0.3V to 27V
FB Pin Voltage, VFB -------------------------------------------------------------------------------------------- −0.3V to 4.5V
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) ----------------------------------------------------------------------------------------- 2.79W
Package Thermal Resistance (Note 2)
UQFN-12HL 3x3 (FC), θJA ------------------------------------------------------------------------------------ 35.8°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 ------------------------------------------------------------------------------------- 4.5V 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
Test Conditions
Min
Typ
Max
Unit
VIN
4.5
--
23
V
Supply Current (Shutdown)
ISHDN
IQ
VEN = 0
OUT = 0, VOUT = VSET
105%, VEN = 1V
2.5
80
5
10
A
A
I
x
Supply Current (Quiescent)
100
130
Logic Threshold
EN Input Low Voltage
EN Input High Voltage
Ultra-Sonic Mode
VENL
VENH
VEN
--
0.8
2.3
--
--
--
--
--
0.4
--
V
V
V
V
--
Normal Mode
VEN
1.7
Output Voltage
VCC Regulator Voltage
Feedback Voltage
Feedback Reference Voltage
Feedback Current
VCC
--
5
--
V
VREF
IFB
0.594
0.6
--
0.606
50
V
VFB = 4V
50
nA
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4
DS6308A-00 October 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
