RT6258B/C
Absolute Maximum Ratings (Note 1)
Supply Voltage, VIN -------------------------------------------------------------------------------------------- −0.3V to 27V
Enable Pin Voltage, VEN -------------------------------------------------------------------------------------- −0.3V to 27V
FF Pin Voltage, VFF ------------------------------------------------------------------------------------------------------------------------------------ −0.3V to 4.5V
VOUT Pin Voltage, VOUT (RT6258B) --------------------------------------------------------------------- −0.3V to 4.5V
VOUT Pin Voltage, VOUT (RT6258C) --------------------------------------------------------------------- −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) ----------------------------------------------------------------------------------------- 2.79W
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 (RT6258B) ---------------------------------------------------------------------- 4.5V to 23V
Supply Input Voltage VIN (RT6258C) --------------------------------------------------------------------- 5.1V to 23V
Junction Temperature Range --------------------------------------------------------------------------------- −40°C to 125°C
Electrical Characteristics
(VIN = 12V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
RT6258B
Min
4.5
5.1
Typ
--
Max
23
Unit
Input Voltage Range
VIN
V
RT6258C
--
23
Supply Current
Supply Current (Shutdown)
ISHDN
IQ
VEN = 0
40
80
50
60
A
A
IOUT = 0, VOUT = VSET
105%, VEN = 2V
x
Supply Current (Quiescent)
100
130
Logic Threshold
EN Input Low Voltage
EN Input High Voltage
Ultra-Sonic Mode
Normal Mode
VENL
VENH
VEN
--
0.8
--
--
--
--
--
0.4
--
V
V
V
V
1.7
--
VEN
2.3
Copyright 2019 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS6258B/C-02 October 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
